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Journal articles on the topic 'Pinacois'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Li, Ji-Tai, Yan-Xue Chen, and Tong-Shuang Li. "Pinacol Coupling of Aromatic Aldehydes and Ketones by TiCl4–Mg–THF Under Ultrasound Irradiation." Journal of Chemical Research 2005, no. 6 (June 2005): 361–63. http://dx.doi.org/10.3184/0308234054506848.

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2

Kagayama, Akifumi, Koji Igarashi, and Teruaki Mukaiyama. "Efficient method for the preparation of pinacols derived from aromatic and aliphatic ketones by using low-valent titanium reagents in dichloromethane-pivalonitrile." Canadian Journal of Chemistry 78, no. 6 (June 1, 2000): 657–65. http://dx.doi.org/10.1139/v00-010.

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The reductive coupling reaction of aldehydes and ketones, including unsymmetrical aliphatic ketones, proceeded smoothly to give the corresponding pinacols in good to high yields under mild conditions by using combination of titanium(II) chloride and zinc or titanium(IV) chloride and zinc in dichloromethane-pivalonitrile. Meso-selective formation of the coupling products was observed in the cases of some aliphatic ketones. The diastereoselectivities of coupling products depend on both difference of bulkiness of 2-, and 2'-substituents of carbonyl group of the reactant, and overall steric effect around the carbonyl groups.Key words: diastereoselective pinacol reaction, dichloromethane-pivalonitrile, titanium(II) chloride, titanium(IV) chloride, zinc.

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3

Albini, A., and M. Mella. "The photochemical reaction of 1,4-naphthalenedicarbonitrile with aromatic pinacols and pinacol ethers." Tetrahedron 42, no. 22 (January 1986): 6219–24. http://dx.doi.org/10.1016/s0040-4020(01)88083-2.

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4

Eisch, John J., Xian Shi, and Jacek Lasota. "Carbon-Carbon Bond Formation by Reductive Coupling with Titanium(II) Chloride Bis(tetrahydrofuran)." Zeitschrift für Naturforschung B 50, no. 3 (March 1, 1995): 342–50. http://dx.doi.org/10.1515/znb-1995-0307.

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Titanium(II) bis(tetrahydrofuran) 1, generated by the treatm ent of TiCl4 in THF with two equivalents of n-butyllithium at -78 °C, has been found to form carbon-carbon bonds with a variety of organic substrates by reductive coupling. Diphenylacetylene is dimerized to exclusively (E,E)-1,2,3,4-tetraphenyl-1,3-butadiene; benzyl bromide and 9-bromofluorene give their coupled products, bibenzyl and 9,9'-bifluorenyl, as do benzal chloride and benzotrichloride yield the 1,2-dichloro-1,2-diphenylethanes and 1,1,2,2-tetrachloro-1,2-diphenylethane, respectively. Styrene oxide and and cis-stilbene oxide undergo deoxygenation to styrene and fra/«-stilbene, while benzyl alcohol and benzopinacol are coupled to bibenzyl and to a mixture of tetraphenylethylene and 1,1,2,2-tetraphenylethane. Both aliphatic and aromatic ketones are smoothly reductively coupled to a mixture of pinacols and/or olefins in varying proportions. By a choice of experimental conditions either the pinacol or the olefin could be made the predom inant product in certain cases. The reaction has been carried out with heptanal, cyclohexanone, benzonitrile, benzaldehyde, furfural, acetophenone, benzophenone and 9-fluorenone. In a remarkable, multiple reductive coupling, benzoyl chloride is converted into 2,3,4,5-tetraphenylfuran in almost 50% yield. The stereochemical course of two such couplings, that of diphenylacetylene to yield exclusively (E,E)-1,2,3,4-tetraphenyl-l,3-butadiene and that of acetophenone to produce only racemic-2,3-diphenyl-2,3-butanediol, is interpreted to conclude that the couplings proceed via two electron transfer pathways (TET) involving titanium (IV) cyclic intermediates of the titanirene and the oxatitanacyclopropane type, respectively.

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5

Aquilano, D., M. Bruno, S. Ghignone, and L. Pastero. "Theoretical equilibrium shape of hydroxyapatite, revised." CrystEngComm 22, no. 45 (2020): 7944–51. http://dx.doi.org/10.1039/d0ce01121e.

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6

Mak, T. C. W., B. O. Patrick, S. J. Rettig, J. R. Scheffer, J. Trotter, P. Ukpabi, B. M. Wu, and V. C. Yee. "α-Naphthyl Phenyl Pinacols." Acta Crystallographica Section C Crystal Structure Communications 54, no. 8 (August 15, 1998): 1148–51. http://dx.doi.org/10.1107/s0108270198002777.

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7

Qiu, Di, Zhitong Zheng, Fanyang Mo, Yan Zhang, and Jianbo Wang. "Increments for 1H and 13C NMR chemical shifts in pinacol arylboronates." Canadian Journal of Chemistry 90, no. 1 (January 2012): 71–74. http://dx.doi.org/10.1139/v11-099.

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Arylboronates are important compounds widely used in cross-coupling reactions. By analyzing the NMR spectra data of a variety of pinacol arylboronates, we have determined the increments for 1H and 13C NMR chemical shifts caused by a pinacol boronate substituent in the benzene ring. These data can be used in the estimation of chemical shifts of aromatic pinacol boronates.

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8

Overman, Larry E., and Lewis D. Pennington. "A new strategy for synthesis of attached rings." Canadian Journal of Chemistry 78, no. 6 (June 1, 2000): 732–38. http://dx.doi.org/10.1139/v00-022.

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The first investigation of the use of pinacol-terminated Prins cyclizations to form attached rings is reported. Treatment of triisopropylsilyl ethers of (Z)- or (E)-[2-(6,6-dimethoxyhexylidene)cyclohexanol with SnCl4 provides bicyclic products having attached rings. The approach is synthetically useful in the Z alkylidenecyclohexane series, proceeding selectively by a pathway involving carbon migration in the pinacol rearrangement step, to provide methoxy epimers of 1-(2-methoxycyclohexyl)cyclopentylcarboxaldehyde. Reaction of the corresponding E stereoisomer is more complex and yields a mixture of products resulting from both hydride and carbon migration in the pinacol rearrangement step.Key words: Prins cyclization, pinacol rearrangement, attached rings.

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9

Shelp, Russell A., Anthony Ciro, Youge Pu, Rohan R. Merchant, Jonathan M. E. Hughes, and Patrick J. Walsh. "Strain-release 2-azaallyl anion addition/borylation of [1.1.1]propellane: synthesis and functionalization of benzylamine bicyclo[1.1.1]pentyl boronates." Chemical Science 12, no. 20 (2021): 7066–72. http://dx.doi.org/10.1039/d1sc01349a.

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10

Shu-Xiang, Wang, Wang Ke, and L. Ji-Tai. "Pinacol Coupling Reaction of Benzaldehyde Mediated by TiCl3-Zn in Basic Media Under Ultrasound Irradiation." E-Journal of Chemistry 2, no. 3 (2005): 203–6. http://dx.doi.org/10.1155/2005/507202.

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11

Li, Ji-Tai, Xue-Li Sun, Zhi-Ping Lin, and Tong-Shuang Li. "Pinacol Coupling of Aromatic Aldehydes using La-Ticl4in CH3COOEt under Ultrasound Irradiation." E-Journal of Chemistry 3, no. 4 (2006): 230–35. http://dx.doi.org/10.1155/2006/107491.

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Titanium tetrachloride can be reduced by lanthanum filings to the corresponding low valent titanium complex, which can induce some aromatic aldehydes to the corresponding pinacols in 28%-97% yields within 10-50 min in ethyl acetate at r.t. under ultrasound irradiation.

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12

Mak, T. C. W., B. O. Patrick, S. J. Rettig, J. R. Scheffer, J. Trotter, P. Ukpabi, B. M. Wu, and V. C. Yee. "α-Naphthyl Phenyl Pinacols. Erratum." Acta Crystallographica Section C Crystal Structure Communications 54, no. 11 (November 15, 1998): 1728. http://dx.doi.org/10.1107/s010827019801854x.

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13

Backer, H. J. "Les pinacols de la pinacoline." Recueil des Travaux Chimiques des Pays-Bas 57, no. 9 (September 3, 2010): 967–88. http://dx.doi.org/10.1002/recl.19380570908.

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14

Hao, Xiang, Sean Parkin, and Carolyn Pratt Brock. "The unusual phases of anhydrous and hydrated pinacol." Acta Crystallographica Section B Structural Science 61, no. 6 (November 14, 2005): 689–99. http://dx.doi.org/10.1107/s0108768105031356.

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The structure of highly twinned pinacol (2,3-dimethyl-2,3-butanediol) monohydrate, the existence of which has been known since 1922, has been determined, and the structures of anhydrous pinacol and its two other known hydrates have been reinvestigated. All the phases are unusual. The anhydrous phase [Jeffrey & Robbins (1978). Acta Cryst. B34, 3817–3820] is exceptional among molecular crystals in having molecules located on three different symmetry sites (1, \overline 1 and 2). A hexagonal form of pinacol originally described as a second polymorph [Dahlqvist & Sillanpää (2000). J. Mol. Struct. 524, 141–149] has been shown to be a solvate of uncertain composition that is very loosely packed. Pinacol hexahydrate, which was originally reported as tetragonal and highly disordered [Kim & Jeffrey (1970). J. Chem. Phys. 53, 3610–3615], appears to be described better as having an orthorhombic structure that is both disordered and twinned; the diffraction pattern at 90 K shows structured diffuse scattering that suggests short-range correlations of disordered molecules. The occurrence of this unusual set of structures is attributed to the combination of the hydrogen-bonding requirements of the pinacol molecule with its small size and limited conformational flexibility.

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15

Kuswahyuningsih, Kuswahyuningsih. "IMPROVING LISTENING SKILL OF REPORT TEXT THROUGH LEARNING CELL AND PINACOY." LEKSEMA: Jurnal Bahasa dan Sastra 2, no. 1 (June 30, 2017): 77. http://dx.doi.org/10.22515/ljbs.v2i1.791.

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A lot of students encounter obstacles in mastering listening skill of report text. The goals of study are to describe the influence of applying learning cell and utilizing of Pinacoy toward listening skill especially in report text of Second Year Students of Social Program in MAN Sukoharjo. The study is also to describe the students’s listening ability of applying Learning cell and the utilizing of Pinacoy .The technique is utilized to collect the data in this study is classroom action research. The data validity of this study uses interview, observation, and test. The results of study are that there are influence of applying learning cell and the utilizing of Pinacoy toward listening skill especially in report text and the average of students’ scores can reach KKM (passing grade standard) after the researcher applied learning cell and utilized Pinacoy toward listening skill.

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16

Hauer, Bernhard, Jamie F. Bickley, Julien Massue, Paula CA Pena, Stanley M. Roberts, and John Skidmore. "Biomimetic reactions in organic synthesis: Semi-pinacol rearrangements of some spirocyclic epoxyalcohols derived from Juliá-Colonna asymmetric epoxidations." Canadian Journal of Chemistry 80, no. 6 (June 1, 2002): 546–50. http://dx.doi.org/10.1139/v02-061.

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Epoxy tert-alcohols have been prepared from (E)-enones in a two-step approach consisting of JuliáColonna asymmetric epoxidation followed by Grignard alkylation of the epoxyketone. On treatment with sub-stoichiometric amounts of Yb(OTf)3 these trans-epoxyalcohols underwent efficient stereoselective semi-pinacol rearrangement to afford anti-α-phenyl-β-hydroxy-ketones (aldols). Under the same conditions, spirocyclic epoxyalcohols derived from 1-tetralone and 1-benzosuberone undergo either ring contraction (via semi-pinacol rearrangement) or fragmentation. A mechanistic rationale is presented to explain the formation of the various products.Key words: JuliáColonna reaction, asymmetric epoxidation, epoxy tert-alcohols, semi-pinacol rearrangement.

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17

Cao, Baoyue, Yan Yu, Shan Xu, Jia Qu, Ge Gao, Honghong Li, Ni Gao, Youliang Ren, and Chunsheng Zhou. "Selective photocatalytic C–C coupling of isopropanol into pinacol with concurrent hydrogen evolution over GONaOH photocatalyst." New Journal of Chemistry 43, no. 4 (2019): 1936–42. http://dx.doi.org/10.1039/c8nj02348d.

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The average H₂ evolution rate could reach 7.36 mmol h⁻¹ over GO_NaOH photocatalyst. And meanwhile, the sacrificial agent isopropanol could undergo highly selective C–C coupling into pinacol. The isopropanol conversion rate was 77.95%, and the pinacol selectivity was 62.32%.

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18

Headley, John V., and Alex G. Harrison. "Structure and fragmentation of C5H11O+ ions formed by chemical ionization." Canadian Journal of Chemistry 63, no. 3 (March 1, 1985): 609–18. http://dx.doi.org/10.1139/v85-100.

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The proton transfer chemical ionization mass spectra of eleven C5H10O isomers have been obtained using H3+, N2H+, HCO+, and D3+ as reagent ions. The chemical ionization mass spectra in combination with isotopic labelling and metastable ion studies have made it possible to elucidate the major fragmentation reaction channels of the C5H11O+ ions formed and their dependence on precursor structure. From collision induced dissociation studies nine stable distinct C5H11O+ ion structures have been identified; protonated 3-methylbutanone and protonated 2,2-dimethylpropanal readily interconvert by a pinacolic – retro-pinacolic rearrangement.

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19

Frevel, Ludo K. "Systematic crystallographic refinement of triclinic unit cells." Powder Diffraction 13, no. 1 (March 1998): 22–31. http://dx.doi.org/10.1017/s0885715600009714.

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Combining the exhaustive indexing of triclinic powder diffraction patterns with a crystallographic determination of unit cell parameters from pinacoid and prism reflections yields unit cell parameters with realistic limits of error. Additionally a referee method has been developed by which the six reciprocal cell parameters of a triclinic phase are determined by solving an exhaustive set of linear simultaneous equations in six unknowns.

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20

Zu, Liansuo, and Xiaoni Xie. "Skeletal Rearrangements as Strategies for the Total Syntheses of Indole Alkaloids." Synlett 29, no. 08 (April 4, 2018): 1008–13. http://dx.doi.org/10.1055/s-0036-1591560.

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In this account, we summarize our recent efforts in the total syntheses of several indole alkaloids, including minfiensine, calophyline A, deformylcorymine, strictamine, and goniomitine. Our central theme is to utilize skeletal rearrangements as key strategies for generating complex structures.1 Introduction2 The Development of an Aza-Pinacol Rearrangement3 Applications of Aza-Pinacol Rearrangements in Total Syntheses4 Strategy Extension: The Total Synthesis of Goniomitine5 Conclusion

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21

BASTOS NETO, ARTUR CÉZAR, ANDRÉA RITTER JELINEK, and CLOVIS NORBERTO SAVI. "Uma Ocorrência Singular de Barita no Sudoeste Catarinense, Brasil." Pesquisas em Geociências 24, no. 1-2 (December 31, 1997): 31. http://dx.doi.org/10.22456/1807-9806.21180.

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The paper describes the later mineral assemblage at the Santa Catarina fluorite mining district, recently recognized in the Cocal fluorite ore vein. In this assemblage, the barite crystals are perfect, centimetric and translucent. The habitprismatic, granted by pinacoides – and the forms association – prisms m {210}, n {110}, l {410} and d {101}, bipyramids z {211}, r {411} e y {111} and pinacoides a {100}, b {010} and c {001} – are here firstly described. The mineral assemblage fils a pipe where deposition was controlled by mixing of ascending hydrothermal fluids with two types of cold descending fluids.

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22

Cieśliński, Satanisław, and Ewa Jaworska. "Changes in the lichen flora of pine-tree (Pinus sylvestris L.) under the effect of emissions of cement-lime industrial works and lime-pits." Acta Mycologica 22, no. 1 (August 20, 2014): 3–14. http://dx.doi.org/10.5586/am.1986.001.

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23

Han, Dong Sul, and Henry J. Shine. "Reactions of Pinacols with One-Electron Oxidants." Journal of Organic Chemistry 61, no. 12 (January 1996): 3977–82. http://dx.doi.org/10.1021/jo952217v.

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24

Marchand, A. "Acid Promoted Rearrangement of PCU-derived Pinacols." Tetrahedron Letters 36, no. 31 (July 31, 1995): 5487–90. http://dx.doi.org/10.1016/00404-0399(50)1079w-.

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25

Achilli, Cesare, Annarita Ciana, Maurizio Fagnoni, Cesare Balduini, and Giampaolo Minetti. "Susceptibility to hydrolysis of phenylboronic pinacol esters at physiological pH." Open Chemistry 11, no. 2 (February 1, 2013): 137–39. http://dx.doi.org/10.2478/s11532-012-0159-2.

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AbstractBoronic acids and their esters are highly considered compounds for the design of new drugs and drug delivery devices, particularly as boron-carriers suitable for neutron capture therapy. However, these compounds are only marginally stable in water. Hydrolysis of some phenylboronic pinacol esters is described here. The kinetics is dependent on the substituents in the aromatic ring. Also the pH strongly influences the rate of the reaction, which is considerably accelerated at physiological pH. Therefore, care must be taken when considering these boronic pinacol esters for pharmacological purposes.

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26

Griesbeck, Axel G., and Melissa Reckenthäler. "Homogeneous and heterogeneous photoredox-catalyzed hydroxymethylation of ketones and keto esters: catalyst screening, chemoselectivity and dilution effects." Beilstein Journal of Organic Chemistry 10 (May 19, 2014): 1143–50. http://dx.doi.org/10.3762/bjoc.10.114.

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The homogeneous titanium- and dye-catalyzed as well as the heterogeneous semiconductor particle-catalyzed photohydroxymethylation of ketones by methanol were investigated in order to evaluate the most active photocatalyst system. Dialkoxytitanium dichlorides are the most efficient species for chemoselective hydroxymethylation of acetophenone as well as other aromatic and aliphatic ketones. Pinacol coupling is the dominant process for semiconductor catalysis and ketone reduction dominates the Ti(OiPr)4/methanol or isopropanol systems. Application of dilution effects on the TiO2 catalysis leads to an increase in hydroxymethylation at the expense of the pinacol coupling.

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27

Yasui, Masamichi, Kengo Hanaya, Takeshi Sugai, and Shuhei Higashibayashi. "Metal-free thermal organocatalytic pinacol coupling of arylaldehydes using an isonicotinate catalyst with bis(pinacolato)diboron." RSC Advances 11, no. 40 (2021): 24652–55. http://dx.doi.org/10.1039/d1ra04443e.

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28

Hoang, Mary, Timothy Gadosy, Hedieh Ghazi, Dong-Feng Hou, Alan C. Hopkinson, Linda J. Johnston, and Edward Lee-Ruff. "Photochemical Pinacol Rearrangement." Journal of Organic Chemistry 63, no. 21 (October 1998): 7168–71. http://dx.doi.org/10.1021/jo980148p.

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29

Minor, Keith P., and Larry E. Overman. "Prins-pinacol spiroannulations." Tetrahedron 53, no. 26 (June 1997): 8927–40. http://dx.doi.org/10.1016/s0040-4020(97)90401-4.

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30

Crivello, J. V., J. L. Lee, and D. A. Conlon. "Cyclic silyl pinacole ethers." Polymer Bulletin 16, no. 2-3 (1986): 95–102. http://dx.doi.org/10.1007/bf00955476.

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31

Qiu, Di, Yan Zhang, and Jianbo Wang. "Direct synthesis of arylboronic pinacol esters from arylamines." Org. Chem. Front. 1, no. 4 (2014): 422–25. http://dx.doi.org/10.1039/c4qo00009a.

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32

Chen, Te-Hsuan, Daggula Mallikarjuna Reddy, and Chin-Fa Lee. "A palladium-catalyzed oxidative cross-coupling reaction between aryl pinacol boronates and H-phosphonates in ethanol." RSC Advances 7, no. 48 (2017): 30214–20. http://dx.doi.org/10.1039/c7ra04619g.

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33

Xie, Yi-Wen, Zhen-Ni Zhao, Zi-Wei Lin, Yu-Hao Wang, Ya-Qun Liu, and Yi-Yong Huang. "Asymmetric Petasis reaction for the synthesis of chiral α- and β-butadienyl amines." Chemical Communications 57, no. 19 (2021): 2364–67. http://dx.doi.org/10.1039/d0cc08241d.

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34

Grundy, Matthew E., Kang Yuan, Gary S. Nichol, and Michael J. Ingleson. "Zinc catalysed electrophilic C–H borylation of heteroarenes." Chemical Science 12, no. 23 (2021): 8190–98. http://dx.doi.org/10.1039/d1sc01883c.

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35

Roesner, Stefan, Christopher A. Brown, Maziar Mohiti, Alexander P. Pulis, Ramesh Rasappan, Daniel J. Blair, Stéphanie Essafi, Daniele Leonori, and Varinder K. Aggarwal. "Stereospecific conversion of alcohols into pinacol boronic esters using lithiation–borylation methodology with pinacolborane." Chem. Commun. 50, no. 31 (2014): 4053–55. http://dx.doi.org/10.1039/c4cc00993b.

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36

Chen, Chao, Jun-Chen Kang, Chen Mao, Jia-Wei Dong, Yu-Yang Xie, Tong-Mei Ding, Yong-Qiang Tu, Zhi-Min Chen, and Shu-Yu Zhang. "Electrochemical halogenation/semi-pinacol rearrangement of allylic alcohols using inorganic halide salt: an eco-friendly route to the synthesis of β-halocarbonyls." Green Chemistry 21, no. 15 (2019): 4014–19. http://dx.doi.org/10.1039/c9gc01152h.

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37

Romero, Erik A., Jesse L. Peltier, Rodolphe Jazzar, and Guy Bertrand. "Catalyst-free dehydrocoupling of amines, alcohols, and thiols with pinacol borane and 9-borabicyclononane (9-BBN)." Chemical Communications 52, no. 69 (2016): 10563–65. http://dx.doi.org/10.1039/c6cc06096j.

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38

Zhang, Zhi-Pei, Nan Dong, and Xin Li. "Bismuth-catalyzed allylation of para-quinone methides." Chemical Communications 53, no. 7 (2017): 1301–4. http://dx.doi.org/10.1039/c6cc06605d.

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39

Hu, Yancheng, Ning Li, Guangyi Li, Aiqin Wang, Yu Cong, Xiaodong Wang, and Tao Zhang. "Sustainable production of pyromellitic acid with pinacol and diethyl maleate." Green Chemistry 19, no. 7 (2017): 1663–67. http://dx.doi.org/10.1039/c6gc03576k.

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40

Ramos, Alberto, Antonio Antiñolo, Fernando Carrillo-Hermosilla, Rafael Fernández-Galán, and Daniel García-Vivó. "9-Borabicyclo[3.3.1]nonane: a metal-free catalyst for the hydroboration of carbodiimides." Chemical Communications 55, no. 21 (2019): 3073–76. http://dx.doi.org/10.1039/c9cc00593e.

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41

Cao, Su-Yan, Hui-Jie Yue, Meng-Qian Zhu, and Liang Xu. "Synthesis of tricyclo[7.2.1.09,10]dodecan-11-one core ring systems of norditerpenoid alkaloids and racemulosine." Organic Chemistry Frontiers 7, no. 7 (2020): 933–37. http://dx.doi.org/10.1039/d0qo00088d.

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42

Liu, Zhihao, Wei Wei, Lu Xiong, Qiang Feng, Yaojie Shi, Ningyu Wang, and Luoting Yu. "Selective and efficient synthesis of trans-arylvinylboronates and trans-hetarylvinylboronates using palladium catalyzed cross-coupling." New Journal of Chemistry 41, no. 8 (2017): 3172–76. http://dx.doi.org/10.1039/c6nj03984g.

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43

Chen, Shuqing, Peng Wang, Hong-Gang Cheng, Chihui Yang, and Qianghui Zhou. "Redox-neutral ortho-C–H amination of pinacol arylborates via palladium(ii)/norbornene catalysis for aniline synthesis." Chemical Science 10, no. 36 (2019): 8384–89. http://dx.doi.org/10.1039/c9sc02759a.

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44

Subba Reddy, B. V., S. Gopal Reddy, M. Durgaprasad, Manika Pal Bhadra, and B. Sridhar. "Domino Prins/pinacol reaction for the stereoselective synthesis of spiro[pyran-4,4′-quinoline]-2′,3′-dione derivatives." Organic & Biomolecular Chemistry 13, no. 32 (2015): 8729–33. http://dx.doi.org/10.1039/c5ob01077b.

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45

Li, Na, Wenjun Yan, Hongxia Zhang, Suping Jia, Zhijian Wang, Jianfeng Zheng, and Zhenping Zhu. "A green and efficient photo-driven route for the selective oxidation of aqueous isopropanol solution to pinacol (C6) with hydrogen peroxide." New Journal of Chemistry 41, no. 7 (2017): 2764–68. http://dx.doi.org/10.1039/c6nj03848d.

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46

Makino, Hiroshi, Tsuyoshi Nishikawa, and Makoto Ouchi. "Correction: Vinylboronic acid pinacol ester as a vinyl alcohol-precursor monomer in radical copolymerization with styrene." Chemical Communications 57, no. 62 (2021): 7717. http://dx.doi.org/10.1039/d1cc90271g.

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47

Das, Kanak Kanti, Swagata Paul, and Santanu Panda. "Transition metal-free synthesis of alkyl pinacol boronates." Organic & Biomolecular Chemistry 18, no. 44 (2020): 8939–74. http://dx.doi.org/10.1039/d0ob01721c.

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This review systematically outlined the research in the area of transition metal free synthesis of alkyl pinacol boronates, which are versatile and important scaffolds to construct diverse organic compounds.

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48

Naumann, Robert, and Martin Goez. "How the sustainable solvent water unleashes the photoredox catalytic potential of ruthenium polypyridyl complexes for pinacol couplings." Green Chemistry 21, no. 16 (2019): 4470–74. http://dx.doi.org/10.1039/c9gc02069a.

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No water crisis... but rather the opposite: this sustainable solvent increases the bandwith of ruthenium-based photoredox catalysis by allowing pinacol couplings, which are infeasible in acetonitrile or DMF.

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Makino, Hiroshi, Tsuyoshi Nishikawa, and Makoto Ouchi. "Vinylboronic acid pinacol ester as a vinyl alcohol-precursor monomer in radical copolymerization with styrene." Chemical Communications 57, no. 60 (2021): 7410–13. http://dx.doi.org/10.1039/d1cc02603h.

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Radical copolymerization of vinylboronic acid pinacol ester (VBpin) with styrene allowed the syntheses of vinyl alcohol–styrene copolymers, which have been inaccessible with a typical precursor monomer, vinyl acetate.

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Gong, Jianxian, Zhen Yang, Yueqing Gu, and Ceheng Tan. "Diversity-Oriented Synthesis of Natural Products via Gold-Catalyzed Cascade Reactions." Synlett 29, no. 12 (May 16, 2018): 1552–71. http://dx.doi.org/10.1055/s-0037-1610126.

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This account describes our group’s latest research in the field of diversity-oriented synthesis of natural products via gold-catalyzed cascade reactions. We present two general strategies based on gold-catalyzed cycloisomerization: a gold-catalyzed cascade reaction of 1,7-diynes and a pinacol-terminated gold-catalyzed cascade reaction. We highlight our development of synthetic methods for the construction of biologically active natural products by using these two strategies.1 Introduction2 Gold-Catalyzed Cascade Reactions of 1,7-Diynes2.1 Collective Synthesis of C15 Oxygenated Drimane-Type Sesquiterpenoids2.2 Synthesis of Left-Wing Fragment of Azadirachtin I2.3 Collective Synthesis of Cladiellins3 Pinacol-Terminated Gold-Catalyzed Cascade Reaction3.1 Asymmetric Formal Total Synthesis of (+)-Cortistatins3.2 Total Synthesis of Orientalol F3.3 Asymmetric Total Synthesis of (–)-Farnesiferol C4 Summary and Outlook

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