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Journal articles on the topic 'Benzyloxy'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Penov-Gasi, Katarina, Ksenija Kuhajda, Stanko Cvjeticanin, et al. "Synthesis of some diol DErivatives as potential reagents in steroid chemistry." Acta Periodica Technologica, no. 34 (2003): 111–18. http://dx.doi.org/10.2298/apt0334111p.

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The multistage syntheses of the p-toluenesulphonyloxy esters (1-benzyloxy-4-p-toluenesulphonyloxybutane (3a) 1-benzyloxy-6-p-toluenesulphonyloxyhexane (3b) and 1-benzyloxy-10-p-toluenesulphonyloxydecane (3c)(, alkyl chlorides (1-benzyloxy-4-chlorobutane (4a), 1-benzyloxy-6-chlorohexane (4b) and 1-benzyloxy-10-chlorodecane (4c)(, as well as alkyl iodides (1-benzyloxy-4-iodobutane (5a), 1-benzyloxy-6-iodohexane (5b) and 1-benzyloxy-10-iododecane (5c)( with the terminal O-benzyl groups starting from 1,4-butanediol (1a), 1,6-hexanediol (1b) and 1,10-decanediol (1c) were carried out. The possibilit

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2

Peng, Wan Xi, Lan Sheng Wang, Qing Ding Wu, and Shi Long Xiang. "Analysis on Health Risk of Volatile Organic Compounds of Poplar Composite Biomaterial by GC-MS." Advanced Materials Research 129-131 (August 2010): 60–64. http://dx.doi.org/10.4028/www.scientific.net/amr.129-131.60.

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Poplar composite biomaterial, which self bonded under high temperature and pressure, is a new indoors materials. In order to evaluate its potential health risk to human settlements, the volatile organic compounds of poplar composite biomaterial were adsorbed and determined by TD-GC-MS. The result were: (1) The main constituents of volatiles at 40°С were acetic acid(50.6%), 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester(8.48%), [1,1':3',1''-terphenyl]-2'-ol(3.98%), 1,2-propanediol, 3-benzyloxy-1,2-d iacetyl-(3.12%), etc. (2) The main constituents of volatiles at 60°С were acetic acid(46

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3

Tang, Zheng-Hua, Yu Tang, and Xiao-Ping Cao. "N-Benzyl-2-[3,5-bis(benzyloxy)benzyloxy]benzamide." Acta Crystallographica Section E Structure Reports Online 63, no. 7 (2007): o3283. http://dx.doi.org/10.1107/s1600536807029406.

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4

Huc, Vincent, Eloïne Npetgat, Vincent Guérineau, et al. "p-(Benzyloxy)calix[8]arene Synthesis Revisited: p-(Benzyloxy)calix[4]-, p-(Benzyloxy)calix[5]-, p-(Benzyloxy)calix[7]-, and p-(Benzyloxy)bis(homooxa)calix[4]arenes." European Journal of Organic Chemistry 2010, no. 32 (2010): 6186–92. http://dx.doi.org/10.1002/ejoc.200901405.

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5

Khurana, Nikhil, Pankaj Sharma, Sunita Bhagat, and Suman Bala Sharma. "Effect of a novel succinamic acid derivative as potential anti-diabetic agent in experimental diabetic rats." Journal of Drug Delivery and Therapeutics 8, no. 6-s (2018): 57–62. http://dx.doi.org/10.22270/jddt.v8i6-s.2080.

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4-((benzyloxy) amino)-2-hydroxy-4-oxobutanoic acid which is a succinamic acid derivative has been synthesized in 3 step reaction with malic acid. Its structure confirmation was done by various techniques like 1H NMR, 13C NMR, & HRMS and is recently proposed as an insulinotropic agent for the treatment of non-insulin dependent diabetes mellitus. In the present study, the effect of 4-((benzyloxy) amino)-2-hydroxy-4-oxobutanoic acid on plasma glucose, serum insulin, serum lipid profile and lipid peroxidation in streptozotocin–nicotinamide induced type 2 diabetic model was investigated. 4-((be

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6

Martis, Alberto, Alberto Luridiana, Angelo Frongia, et al. "Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols." Organic & Biomolecular Chemistry 15, no. 47 (2017): 10053–63. http://dx.doi.org/10.1039/c7ob02545a.

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7

Hřebabecký, Hubert, Milena Masojídková, and Antonín Holý. "Synthesis of Purine Nucleoside Analogues Derived from Carbocyclic 5-C-(Hydroxymethyl)hexopyranoses." Collection of Czechoslovak Chemical Communications 69, no. 2 (2004): 435–52. http://dx.doi.org/10.1135/cccc20040435.

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(1R,2R,3R,4S)-3-(Benzyloxy)-5,5-bis(hydroxymethyl)cyclohexane-1,2,4-triol (1) was converted to (3aS,4R,5S,7aR)-4-(benzyloxy)-2-oxo-6,6-bis[(trityloxy)methyl]hexahydro-2λ4-1,3,2-benzodioxathiol-5-ol (3) and subsequently to (3aS,4R,5S,7aR)-4-(benzyloxy)-2,2-dioxo-6,6-bis[(trityloxy)methyl]hexahydro-2λ4-1,3,2-benzodioxathiol-5-yl benzoate (4). Treatment of sulfate 4 with adenine and DBU afforded, after deprotection, 7 and 22 in low yields. Reaction of sulfite 3 with lithium azide gave (1R,2R,3S,6S)-6-azido-2-(benzyloxy)-4,4-bis[(trityloxy)methyl]-cyclohexane-1,3-diol (10) and (1S,4R,5S,6S)-5-azid

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8

Salamci, Emine, and Ayse Kilic Lafzi. "Efficient synthesis of aziridinecyclooctanediol and 3-aminocyclooctanetriol." Beilstein Journal of Organic Chemistry 18 (November 11, 2022): 1539–43. http://dx.doi.org/10.3762/bjoc.18.163.

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Cyclooctene endoperoxide was used as the key compound for the synthesis of aziridinecyclooctanediol and 3-aminocyclooctanetriol. Reduction of the cyclooctene endoperoxide, prepared by photooxygenation of cis,cis-1,3-cyclooctadiene, with zinc gave a cyclooctenediol and then benzylation of the hydroxy group yielded dibenzylated cyclooctene. Oxidation of the latter compound by OsO4/NMO followed by mesylation of the hydroxy group provided bis(benzyloxy)cyclooctane-1,2-diyl dimethanesulfonate. Reaction of the bis(benzyloxy)cyclooctane-1,2-diyl dimethanesulfonate with NaN3 gave 2-azido-3,8-bis(benzy

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9

Jovanovic-Santa, Suzana, Sanja Gaborov, and Julijana Petrovic. "Synthesis of 3-benzyloxyl-17-maleyloxy-16, 17-secoestra- 1, 3, 5 (10)-triene-16-nitrile - Sinteza 3-benziloksi-17-maleiloksi- 16, 17-sekoestra-1, 3, 5 (10)-trien-16-nitrila." Zbornik Matice srpske za prirodne nauke, no. 103 (2002): 5–9. http://dx.doi.org/10.2298/zmspn0201005j.

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Under the conditions of Beckmann fragmentation reaction 3-benzyloxy-17(-hydroxyestra-1, 3, 5, (10)-triene-16-one oxime (2) gave the D-seco derivative 3. Sodium borohydride reduction of this compound afforded 3-benzyloxy-17-hydroxy-16, 17-secoestra-1, 3, 5 (10)-triene-16-nitrile (4). The esterification of seco-cyanoalcohol 4 was achieved by action of maleic acid anhydride in dry pyridine, yielding 3-benzyloxy-17-maleyloxy-16 17-secoestra-1, 3, 5 (10)-triene-16-nitrile (5).

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10

Varelis, P., and BL Johnson. "Preparation of Optically Active (S)-2-(Benzyloxy)propanal." Australian Journal of Chemistry 48, no. 10 (1995): 1775. http://dx.doi.org/10.1071/ch9951775.

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A convenient and large scale amenable preparation of optically active ethyl (S)-2-( benzyloxy )propionate (5) from ethyl (S)-lactate (4), and the conversion of the ester (5) by two alternative methods into (S)-2-( benzyloxy ) propanal (1) are described.

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11

Dinçer, Muharrem, Ayşen Ağar, Nesuhi Akdemir, Erbil Ağar, and Namık Özdemir. "4-(Benzyloxy)phthalonitrile." Acta Crystallographica Section E Structure Reports Online 60, no. 1 (2003): o79—o80. http://dx.doi.org/10.1107/s1600536803027764.

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12

Venkatesan, Perumal, S. Arunadevi, M. I. Fazal Mohamed, and Andivelu Ilangovan. "1-(Benzyloxy)naphthalene." Acta Crystallographica Section E Structure Reports Online 67, no. 8 (2011): o1924—o1925. http://dx.doi.org/10.1107/s1600536811025219.

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13

Kennedy, Alan R., Zaccheus R. Kipkorir, Claire I. Muhanji, and Maurice O. Okoth. "4-(Benzyloxy)benzaldehyde." Acta Crystallographica Section E Structure Reports Online 66, no. 8 (2010): o2110. http://dx.doi.org/10.1107/s1600536810027200.

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14

Sakač, Marija N., Dušan A. Miljković, Katarina M. Penov Gaši, et al. "Synthesis, X-ray Crystal Structure and Antiestrogenic Activity of 17-Methyl-16,17-secoestra-1,3,5(10)-triene Derivatives." Collection of Czechoslovak Chemical Communications 70, no. 1 (2005): 63–71. http://dx.doi.org/10.1135/cccc20050063.

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Starting from 3-(benzyloxy)-16-(hydroxyimino)-estra-1,3,5(10)-trien-17-one (1) several 17-methyl-16,17-secoestratriene derivatives were synthesized. In the first step of synthesis, hydroxyimino ketone 1 was transformed into 3-(benzyloxy)-16-(hydroxyimino)-17α-methylestra-1,3,5(10)-trien-17β-ol (2), the Beckmann fragmentation of which gave 3-(benzyloxy)-17-methyl-17-oxo-16,17-secoestra-1,3,5(10)-triene-16-nitrile (3a). Reduction of 3a with sodium borohydride yielded (17S)-3-(benzyloxy)-17-hydroxy-17-methyl-16,17-secoestra-1,3,5(10)-triene-16-nitrile (4a), whose configuration at the newly formed

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15

Sıdır, İsa, Yadigar Gülseven Sıdır, Sándor Góbi, Halil Berber, and Rui Fausto. "UV-Induced Benzyloxy Rotamerization in an Ortho OH-Substituted Aryl Schiff Base." Photochem 2, no. 2 (2022): 376–89. http://dx.doi.org/10.3390/photochem2020026.

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A new benzyloxy containing ortho hydroxyl-substituted aryl Schiff base, trans 2-((2-(benzyloxy)benzylidene) amino)phenol (abbreviated as BBAP), was synthesized and characterized by 1H-, 13C-NMR and infrared spectroscopic techniques and elemental analysis. The conformational landscape of the compound, as well as its infrared spectra in argon and N2 cryogenic matrices (10 K) were investigated, followed by the study of the effects of in situ UV irradiation of the matrix-isolated compound. The structural information was obtained through an extensive series of quantum chemical calculations performe

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16

Chen, Xiu Qin, Dong Dong Ma, Su Juan Pan, et al. "Synthesis, Photophysical Properties and Photoinduced Intermolecular Electron Transfer of a Novel Aryl Benzyl Ester Dendritic Axially Substituted Silicon (IV) Phthalocyanine." Advanced Materials Research 998-999 (July 2014): 99–102. http://dx.doi.org/10.4028/www.scientific.net/amr.998-999.99.

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An aryl benzyl ester dendritic axially substituted silicon (IV) phthalocyanine, a di-{3,5-di-(4-methoxycarbonyl group benzyloxy) benzyloxy) benzyloxy} axially substituted silicon (IV) phthalocyanine (DSiPc) was synthesized. Its structure was characterized by elemental analysis, 1H NMR, IR and ESI-MS. The photophysical property of DSiPc was studied by steady and time-resolved spectroscopic methods. The steric hindrance of dendritic structure can reduced the aggregation efficiently. The photoinduced intermolecular electron transfer between this novel macromolecule and benzoquinone was studied. T

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17

Šála, Michal, Hubert Hřebabecký, Milena Masojídková, and Antonín Holý. "Synthesis of Racemic 2-Hydroxy-4- and 2-Hydroxy-5-(hydroxymethyl)cyclohexane Pyrimidine C-Nucleoside Analogues." Collection of Czechoslovak Chemical Communications 69, no. 4 (2004): 918–32. http://dx.doi.org/10.1135/cccc20040918.

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The oxirane ring opening of 3-[(benzyloxy)methyl]-7-oxabicyclo[4.1.0]heptane with sodium salt of diethyl malonate followed by treatment with TsOH gave (3aR*,6R*,7aS*)-6-[(benzyloxy)methyl]hexahydro-1-benzofuran-2(3H)-one (3a) and (3aR*,5R*,7aS*)-5-[(benzyloxy)methyl]hexahydro-1-benzofuran-2(3H)-one (3b). Lactones 3a and 3b were formylated and then treated with thiourea or guanidine to give, after deprotection, racemic 5-[2-hydroxy-4- and 2-hydroxy-5-(hydroxymethyl)cyclohexyl]-2-thiouracil (5a and 5b) or -isocytosine (12a and 12b). Simple transformations of the 2-thiouracil derivative led to ur

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18

Ren, Xu-Hong, Wei-Jia Xie, Chao Ma, Jing-Jing Wang, and Mao-Sheng Cheng. "5,7-Bis(benzyloxy)-2-[4-(benzyloxy)phenyl]-4H-chromen-4-one." Acta Crystallographica Section E Structure Reports Online 66, no. 1 (2009): o63. http://dx.doi.org/10.1107/s1600536809051678.

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19

Cedillo-Cruz, Alberto, María Isabel Aguilar, and Helgi Jung-Cook. "(S)-(+)-cis-4′-Benzyloxypraziquantel." Acta Crystallographica Section E Structure Reports Online 69, no. 12 (2013): o1835—o1836. http://dx.doi.org/10.1107/s1600536813031735.

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The asymmetric unit of the title compound, C26H30N2O3{systematic name (S)-(+)-2-[cis-4-(benzyloxy)cyclohexanecarbonyl]-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one}, consists of two independent molecules in which the O= Camidegroup issynto the N—C(C=Olactam) moiety, making dihedral angles of 2.0 (8) and 3.7 (8)°. The conformation of the 1,4-disubstituted cyclohexane ring iscisin each independent molecule, with the carbonyl group occupying an equatorial position and the benzyloxy group an axial position. In one molecule, two C and one O atom of the benzyloxy group are disordered

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20

Moni, Lisa, Luca Banfi, Andrea Basso, Alice Brambilla, and Renata Riva. "Diversity-oriented synthesis of dihydrobenzoxazepinones by coupling the Ugi multicomponent reaction with a Mitsunobu cyclization." Beilstein Journal of Organic Chemistry 10 (January 17, 2014): 209–12. http://dx.doi.org/10.3762/bjoc.10.16.

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An operationally simple protocol for the synthesis of 2,3-dihydrobenzo[f][1,4]oxazepin-3-ones, based on an Ugi reaction of an ortho-(benzyloxy)benzylamine, glycolic acid, an isocyanide and an aldehyde, followed by an intramolecular Mitsunobu substitution was developed. The required ortho-(benzyloxy)benzylamines have been in situ generated from the corresponding azides, in turn prepared in high yields from salicylic derivatives.

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21

Meier, Chris, Simon Weising, Patrick Dekiert, Dominique Schols, and Johan Neyts. "Synthesis of Enantiomerically Pure 1′,2′-cis-dideoxy, -dideoxydidehydro, -ribo and -deoxy Carbocyclic Nucleoside Analogues." Synthesis 50, no. 11 (2018): 2266–80. http://dx.doi.org/10.1055/s-0037-1609493.

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We describe a short and stereospecific synthesis of different series of 1′,2′-cis-disubstituted carbocyclic nucleoside analogues. All-natural nucleobases or their precursors are coupled in a microwave-assisted Mitsunobu-type reaction with enantiomerically pure (1R,2S)-2-(benzyloxymethyl)cyclopent-3-enol. By modifying the cyclopentene scaffold, our synthetic strategy gives access to a series of 1′,2′-cis-disubstituted carbocyclic nucleoside analogues of the dideoxy (dd), dideoxydidehydro (d4) or the ribo series. The ribo series is synthesized in a more convenient way compared to a previous rou

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22

Jovanović-Šanta, Suzana, Silvana Andrić, Radmila Kovačević, and Vjera Pejanović. "Synthesis and Biological Activity of New 16,17-Secoestrone Derivatives." Collection of Czechoslovak Chemical Communications 65, no. 1 (2000): 77–82. http://dx.doi.org/10.1135/cccc20000077.

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Starting from estrone 3-benzyloxy-17β-hydroxyestra-1,3,5(10)-trien-16-one oxime (3b) was synthesized, which underwent Beckmann fragmentation giving the 3-benzyloxy-17-oxo- 16,17-secoestra-1,3,5(10)-triene-16-nitrile (4b). Sodium borohydride reduction of this compound afforded 3-benzyloxy-17-hydroxy-16,17-secoestra-1,3,5(10)-triene-16-nitrile (5b). The deprotection of the 3-hydroxy group was achieved by action of hydrogen upon derivatives 4b and 5b in presence of Pd/C as a catalyst, yielding 3-hydroxy-17-oxo-16,17-secoestra- 1,3,5(10)-triene-16-nitrile (4a) and 3,17-dihydroxy-16,17-secoestra-1,

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23

Gao, Rong, Wen-Hong Li, Peng Liu, and Ping-An Wang. "2-Benzyloxy-1-naphthaldehyde." Acta Crystallographica Section E Structure Reports Online 65, no. 3 (2009): o534. http://dx.doi.org/10.1107/s1600536809004486.

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24

Hanif, Muhammad, Muhammad Rafiq, Muhammad Saleem, Ghulam Qadeer, and Wai-Yeung Wong. "4-Benzyloxy-3-methoxybenzonitrile." Acta Crystallographica Section E Structure Reports Online 65, no. 3 (2009): o572. http://dx.doi.org/10.1107/s1600536809005613.

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25

Hu, Fang-Zhong, Min Zhang, Hai-Bin Song, Xiao-Mao Zou, and Hua-Zheng Yang. "3-Benzyloxy-6-fluoropyridazine." Acta Crystallographica Section E Structure Reports Online 61, no. 7 (2005): o2241—o2242. http://dx.doi.org/10.1107/s1600536805019161.

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26

Wang, Guo-Xi. "1-Benzyloxy-4-chlorobenzene." Acta Crystallographica Section E Structure Reports Online 66, no. 1 (2009): o50. http://dx.doi.org/10.1107/s160053680905096x.

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27

He, Donghong, Shihai Xu, Zhaoxun Lian, Xiangchao Zeng, Shuhao Guo, and Xiaojian Liao. "1,4-Bis(benzyloxy)benzene." Acta Crystallographica Section E Structure Reports Online 60, no. 4 (2004): o711—o712. http://dx.doi.org/10.1107/s1600536804007068.

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28

Jebas, Samuel Robinson, P. Selvarathy Grace, B. Ravindran Durai Nayagam, and Dieter Schollmeyer. "1-Benzyloxy-1H-benzotriazole." Acta Crystallographica Section E Structure Reports Online 68, no. 7 (2012): o2239. http://dx.doi.org/10.1107/s1600536812028395.

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29

Huang, Wei, and Hong-Bin Zhou. "4-Benzyloxy-2-nitroaniline." Acta Crystallographica Section E Structure Reports Online 63, no. 1 (2006): o105—o106. http://dx.doi.org/10.1107/s1600536806051786.

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30

Yan, Lian-Zhong, Sai Bi, and Rui Ren. "4-(Benzyloxy)-2-fluorobenzonitrile." Acta Crystallographica Section E Structure Reports Online 63, no. 2 (2007): o775—o776. http://dx.doi.org/10.1107/s1600536807001390.

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31

Kang, Sung Kwon, Nam Sook Cho, and Min Kyeong Jeon. "EthylN-[(benzyloxy)thiocarbonyl]carbamate." Acta Crystallographica Section E Structure Reports Online 68, no. 2 (2012): o300. http://dx.doi.org/10.1107/s1600536811055942.

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32

Cui, Yu, Hui-Min Liu, and Wen-Qin Zhang. "2-Benzyloxy-3-nitropyridine." Acta Crystallographica Section E Structure Reports Online 61, no. 3 (2005): o685—o686. http://dx.doi.org/10.1107/s1600536805004204.

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33

Ilangovan, Andivelu, Rajendran Ganesh Kumar, Hongze Liang, Kasthuri Balasubramani, and Packianathan Thomas Muthiah. "1-Benzyloxy-4-nitrobenzene." Acta Crystallographica Section E Structure Reports Online 63, no. 10 (2007): o4087. http://dx.doi.org/10.1107/s160053680704425x.

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34

Mitamura, Koji, Toyoko Imae, Emiko Mouri, Naoya Torikai, Hideki Matsuoka, and Tetsuya Nakamura. "Structural and Morphological Changes of Monolayers of a Block Copolymer with Dendron and Perfluoroalkyl Side Chains by Mixing a Perfluorooctadecanoic Acid." Journal of Nanoscience and Nanotechnology 6, no. 1 (2006): 36–42. http://dx.doi.org/10.1166/jnn.2006.17902.

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Hybrid Langmuir and Langmuir-Blodgett monolayers of a perfluorooctadecanoic acid mixed with a rigid block copolymer, poly(3,5-bis(3,5-bis(benzyloxy)benzyloxy)benzyl methacrylate-random-methacrylic acid)-block-poly(2-perfluorooctylethyl acrylate), which is composed of benzyloxy dendron side chains and perfluorinated side chains, were prepared and characterized by surface pressure–surface area isotherms, atomic force microscopic images and neutron and X-ray reflectometries. The two-dimensionally phase-separated structures of monolayer films and their morphologies with plateau and terrace were co

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35

Merkley, Nadine, Manal El-Saidi, and John Warkentin. "Radicals from fragmentation of benzyloxymethoxycarbenes in solution." Canadian Journal of Chemistry 78, no. 3 (2000): 356–61. http://dx.doi.org/10.1139/v00-021.

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2-Benzyloxy-2-methoxy-5,5-dimethyl-Δ3-1,3,4-oxadiazolines, including the parent as well as p-substituted analogues, undergo thermolysis at 100°C in benzene to afford a mixture of products. Two primary fragmentations of the oxadiazolines were identified. The major pathway involves 1,3-dipolar cycloreversion to N2 and the corresponding carbonyl ylides. The latter dissociate to acetone and the corresponding benzyloxy(methoxy)carbenes, which undergo fragmentation to ArCH2 and MeOCO radical pairs that recombine to afford methyl arylacetates. Carbene dimers were not observed, showing that the fragme

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36

Suarna, Cacang, Roger T. Dean та Peter T. Southwell-Keely. "Synthesis of α-Tocopherol Analogues". Australian Journal of Chemistry 50, № 12 (1997): 1129. http://dx.doi.org/10.1071/c97044.

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A range of a-tocopherol analogues of varying side-chain length and structure has been prepared by the Wittig reaction of alkyltriphenylphosphonium bromides with either 6-benzyloxy-2,5,7,8-tetramethylchroman- 2-carbaldehyde (8) or 6-acetoxy-2,5,7,8-tetramethylchroman-2-carbaldehyde (14). These analogues include 2-hexyl-2,5,7,8-tetramethylchroman-6-ol (11), 2-heptyl-2,5,7,8-tetramethylchroman-6-ol (12) and 2,5,7,8-tetramethyl-2-(pent-1-enyl)chroman-6-ol (15). Methoxycarbonylmethyl 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylate (2) was formed by reaction of the triethylammonium salt of trolox

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37

Naqui, Jahan Siddiqui* Atul Barsagade Mohammad Idrees. "SYNTHESIS, ANTIMICROBIAL AND ANTIOXIDANT ACTIVITIES OF 1,3,5-THIADIAZINE DERIVATIVES." Indo American Journal of Pharmaceutical Sciences 04, no. 10 (2017): 3655–63. https://doi.org/10.5281/zenodo.1035798.

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A series of N-(4-(benzyloxy)benzylidene)-2-(arylimino)-6-(phenylimino)-3,6-dihydro-2H-1,3,5-thiadiazin-4- amine derivatives (4a-d) have been synthesized by condensation of 1-(N-4-(benzyloxy) benzylidenecarbamimidoyl)-3-arylthiourea (3a-d) with phenyl isocyanodichloride. Interaction of 1- carbamimidoyl-3-arylthiourea (2a-d) and p-benzyloxy benzaldehyde yielded (3a-d). Monoacetyl (5b) and mononitroso (6b) derivatives were also synthesised by substitution of hydrogen atom of cyclic –NH- of 4b on treatment with acetic anhydride and sodium nitrite respectively. Further, 4b upon boiling with 5% aque

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38

Borde, Ramesh M., Satish B Jadhav, Rahul R Dhavse, and Achut S Munde. "DESIGN, SYNTHESIS, AND PHARMACOLOGICAL EVALUATION OF SOME NOVEL BIS-THIAZOLE DERIVATIVES." Asian Journal of Pharmaceutical and Clinical Research 11, no. 4 (2018): 164. http://dx.doi.org/10.22159/ajpcr.2018.v11i4.23413.

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Objective: A series of substituted 5,2-bis-thiazoles derivatives were synthesized by Hantzsch reaction and evaluated in vitro for antimicrobial activity against Escherichia coli, Pseudomonas aeruginosa, Bacillus subtilis, and Staphylococcus aureus. Methods: 2-(4-(benzyloxy)phenyl)-4-methylthiazole-5-carbothioamide were synthesized and allowed to react with various α-haloketones to give 5,2-bis-thiazoles, i.e., 2-(4-(benzyloxy)phenyl)-4-methyl-5-(4-substituted thiazol-2-yl)thiazole derivatives in excellent yield. The synthesized compounds were characterized by spectroscopic methods as well as e

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39

Russell, RA, AS Krauss, RW Irvine, and RN Warrener. "Anthracyclines. XII. The preparation of (—)-(7R)-7-Acetyl-7-(t-butyldimethylsilyoxy-1(4H)-one and (+)-(6R)-6-Acetyl-6-(t-butyldimethylsilyloxy)- 4,4-dimethoxy-5,6,7,8-tetrahydronaphthalene-1(4H)-one: an Improved Route to Chiral AB Synthons for 7-Deoxydaunomycinone." Australian Journal of Chemistry 38, no. 1 (1985): 179. http://dx.doi.org/10.1071/ch9850179.

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The title dienones (2) and (5) were prepared from the chiral alcohols (7a) and (7b) respectively. These key starting materials were in turn available from the reduction of 3-acetyl-5-benzyloxy-8-methoxy-1,2- dihydronaphthalene (6a) and 3-acetyl-8-benzyloxy-5-methoxy-1,2- dihydronaphthalene (6b) with lithium aluminium hydride modified with (—)-N- methylephedrine and N- ethylaniline . Chiral phase high-pressure liquid chromatography was used to analyse the enantioselectivity of these reductions which were shown to yield variable results depending upon the origin of the reducing agent.

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40

Semjonovs, Nikita, Vitalijs Rjabovs, Dmitrijs Stepanovs та Maris Turks. "Crystal structure of 3-O-benzyl-4(R)-C-(1-benzyl-1H-1,2,3-triazol-4-yl)-1,2-O-isopropylidene-α-D-erythrofuranose". Acta Crystallographica Section E Crystallographic Communications 71, № 12 (2015): 1542–44. http://dx.doi.org/10.1107/s2056989015022434.

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The title compound, C23H25N3O4, {systematic name: 1-benzyl-4-[(3aR,5R,6R,6aR)-6-benzyloxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-1H-1,2,3-triazole}, consists of a substituted 2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole. The furanose ring adopts an envelope conformation close toC3-exo, where the C atom substituted by the benzyloxy group is the flap. The fused dioxolane ring also adopts an envelope conformation, with the methylene C atom as the flap. In the crystal, molecules are linked by weak C—H...O hydrogen bonds, forming zigzag chains along [010].

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41

Imrich, Michael R., and Thomas Ziegler. "Access to d- and l-Psicose Derivatives via Hydroxy Methylation of Ribono Lactone." Molbank 2019, no. 4 (2019): M1096. http://dx.doi.org/10.3390/m1096.

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2,3,5-Tri-O-benzyl- and 2,3,5-tri-O-methyl-d-ribono-γ-lactone were converted with (methoxyethoxymethoxy)methyl and benzyloxy tributylstannane into the corresponding protected d-psicoses as mixtures of anomers in 31%–72% yield. Treatment of 2,3,5-tri-O-methyl-l-ribono-γ-lactone with benzyloxy tributylstannane afforded the corresponding l-psicose derivative as an anomeric mixture in 72% yield. Both methylated psicoses were further converted into 1,2-O-isopropylidene-3,4,6-tri-O-methyl-d- and l-psicofuranosides, the respective α- and β-anomers of which could be separated and characterized.

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42

Hřebabecký, Hubert, Milena Masojídková, Martin Dračínský, and Antonín Holý. "Synthesis of Novel Conformationally Locked Carbocyclic Nucleosides Derived from 3-(Hydroxymethyl)bicyclo[2.2.1]heptane-2,5-diol." Collection of Czechoslovak Chemical Communications 71, no. 6 (2006): 871–88. http://dx.doi.org/10.1135/cccc20060871.

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(1R*,2R*,3R*,4R*,5R*,6S*)-3-Amino-5-(benzyloxy)-6-(hydroxymethyl)bicyclo[2.2.1]heptan-2-ol (18) was prepared in seven easy steps from benzyl (1R*,2S*,3S*,4S*)-3-(benzyloxy)bicyclo[2.2.1]hept-5-ene-2-carboxylate (10). Reaction of amine18with ethylN-((2E)-3-ethoxymethacryloyl)carbamate afforded 1-[(1R*,2R*,3R*,4R*,5S*,6R*)-6-(benzyloxy)-3-hydroxy-5- (hydroxymethyl)bicyclo[2.2.1]heptan-2-yl]-5-methylpyrimidine-2,4(1H,3H)-dione (21) and after deprotection by transfer hydrogenation, free thymine analogue22. The thymine derivative21was converted to 2,3'-anhydronucleoside26. Treatment of the benzyl d

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43

E. Hawaiz, Farouq, and Mohammad K. Samad. "Synthesis and Spectroscopic Characterization of Some New Biological Active Azo–Pyrazoline Derivatives." E-Journal of Chemistry 9, no. 3 (2012): 1613–22. http://dx.doi.org/10.1155/2012/525940.

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A number of 3-[4-(benzyloxy)-3-(2-Chlorophenylazo)-phenyl]-5-(substituted-phenyl)-1-substituted-2-pyrazolines( 4a-j) and (5a-j) have been synthesized by diazotization of 2-chloroaniline and its coupling reaction with 4-hydroxy acetophenone, followed by benzyloxation of the hydroxyl group to give the substrate [4-benzyloxy-3-(2-chlorophenylazo)-acetophenone (1)].The prepared starting material (1) has been reacted with different substituted benzaldehydes to give a new series of chalcone derivatives 1-[(4-benzyloxy)-3-(2-chloro-phenylazo)-phenyl]-3-(substituted phenyl)-2-propen-1-one (3a-j), in h

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44

Zhu, Pei-Hua, Zi-Zhen Ni, Chun-Hui Dong, Yan-Fang Zhao, and Qin Wei. "[3,5-Bis(benzyloxy)phenyl]methanol." Acta Crystallographica Section E Structure Reports Online 65, no. 5 (2009): o962. http://dx.doi.org/10.1107/s1600536809010757.

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Tarafder, M. T. H., M. A. A. A. A. Islam, K. A. Crouse, Suchada Chantrapromma, and Hoong-Kun Fun. "(E)-4-(Benzyloxy)benzaldehyde thiosemicarbazone." Acta Crystallographica Section E Structure Reports Online 64, no. 6 (2008): o988—o989. http://dx.doi.org/10.1107/s1600536808012671.

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Wang, Kai, ChaoFan Ju, Jian Xiao, and Qiang Chen. "Methyl 4-(benzyloxy)-3-methoxybenzoate." Acta Crystallographica Section E Structure Reports Online 69, no. 10 (2013): o1562. http://dx.doi.org/10.1107/s1600536813025415.

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47

Moreno-Fuquen, Rodolfo, Carlos Grande, Rigoberto C. Advincula, Juan C. Tenorio, and Javier Ellena. "3,5-Bis(benzyloxy)benzoic acid." Acta Crystallographica Section E Structure Reports Online 68, no. 11 (2012): o3247—o3248. http://dx.doi.org/10.1107/s1600536812043796.

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48

Palakshamurthy, B. S., H. T. Srinivasa, Vijith Kumar, S. Sreenivasa, and H. C. Devarajegowda. "Methyl 4-benzyloxy-2-hydroxybenzoate." Acta Crystallographica Section E Structure Reports Online 68, no. 12 (2012): o3382. http://dx.doi.org/10.1107/s1600536812046491.

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49

Gan, Hai-feng, Xue-wei Liu, Zheng Fang, and Kai Guo. "2-[4-(Benzyloxy)benzylidene]malononitrile." Acta Crystallographica Section E Structure Reports Online 68, no. 6 (2012): o1690. http://dx.doi.org/10.1107/s1600536812020053.

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In the title molecule, C17H12N2O, the dihedral angle between the two benzene rings is 84.98 (10)°. The dicyanoethylene group is coplanar with the benzene ring to which it is bonded. No classic hydrogen bonds were found in the crystal.

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Liu, Ying, Leyong Wang, Jingjing Wang, Li Liu, and Mingyu Teng. "1,8-Bis(benzyloxy)-3,6-diiodonaphthalene." Acta Crystallographica Section E Structure Reports Online 66, no. 7 (2010): o1577. http://dx.doi.org/10.1107/s1600536810019355.

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