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Journal articles on the topic 'Phosphorus derivatives'

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1

Salkeeva, L. K., A. A. Muratbekova, E. V. Minayeva, et al. "Phosphorylation of glycoluryl derivatives with phosphorus pentachloride." Bulletin of the Karaganda University. "Chemistry" series 101, no. 1 (2021): 12–18. http://dx.doi.org/10.31489/2021ch1/12-18.

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The paperpresents the research results on the synthesis and study of new organophosphorus derivatives of glycoluril, obtained on the basis of pentavalent phosphorus. New organoelement phosphorus derivatives synthesized on the basis of N-acyl-substituted glycolurilhave been obtained.They are of considerable interest due to the presence of effective reaction centers. Tetraacetyl-substituted glycoluril —2,4,6,8-tetraacetyl-2,4,6,8-tetraazabicyclo[3,3,0]octane-3,7-dione was chosen as theinitial synthon. Theuse of unsubstituted glycoluril in the reaction of direct phosphorylation by the action of p
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2

Kovács, Rita, Alajos Grün, Sándor Garadnay, István Greiner, and György Keglevich. "“Greener” synthesis of bisphosphonic/dronic acid derivatives." Green Processing and Synthesis 3, no. 2 (2014): 111–16. http://dx.doi.org/10.1515/gps-2013-0107.

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Abstract According to literature, the synthesis of dronic acid derivatives from the corresponding carboxylic acids using phosphorus trichloride and phosphorous acid as the P-reactants is controversial, due to the wide range of molar ratios and diverse conditions. In this minireview, we summarize our results on the clarification of these problems. For example, with zoledronic acid and risedronic acid, we found that, using methanesulfonic acid (MSA) as the solvent, 3.2 equivalents of phosphorus trichloride was enough. Generalizing this optimized method, etidronate, fenidronate, ibandronate and a
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3

Gupta, Bhawana, Suresh Magotra, and Sushil K. Pandey. "Ditolyldithiophosphato derivatives of phosphorus(III) and phosphorus(V)." Monatshefte für Chemie - Chemical Monthly 139, no. 7 (2008): 747–52. http://dx.doi.org/10.1007/s00706-007-0836-6.

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4

Szołyga, Mariusz, Michał Dutkiewicz, Marek Nowicki, Kamila Sałasińska, Maciej Celiński, and Bogdan Marciniec. "Phosphorus-Containing Silsesquioxane Derivatives as Additive or Reactive Components of Epoxy Resins." Materials 13, no. 23 (2020): 5373. http://dx.doi.org/10.3390/ma13235373.

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Two phosphorus-containing cage-like silsesquioxane derivatives were synthesized as reactive or additive flame retardants for epoxy resin. The silsesquioxanes were obtained via an epoxide ring-opening reaction using a 10-hydroxy-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPA). In one derivative containing in its structure 4 glycidoxypropyl and 4 phosphate groups, denoted as 4P4GS, only half of the epoxy rings was reacted with phosphate to obtain a reactive additive, while in the second derivative containing 8 phosphate groups, denoted as 8PS, all epoxy groups were converted, thus an a
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5

Chvertkina, L. V., P. S. Khoklov, and Vladimir F. Mironov. "Phosphorus derivatives of salicylic acid." Russian Chemical Reviews 61, no. 10 (1992): 1009–21. http://dx.doi.org/10.1070/rc1992v061n10abeh001013.

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6

Röschenthaler, G. V., U. von Allwörden, and J. Heine. "Novel phosphorus derivatives of perfluoropropene." Journal of Fluorine Chemistry 35, no. 1 (1987): 110. http://dx.doi.org/10.1016/0022-1139(87)95087-1.

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7

Müller, Patrick, Yana Bykov, Olaf Walter, and Manfred Döring. "New phosphorus-containing quinone derivatives." Heteroatom Chemistry 23, no. 4 (2012): 383–94. http://dx.doi.org/10.1002/hc.21028.

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8

Schwarz, Marián, Pavel Šebek, and Josef Kuthan. "Electrophilic 3,5-Substitution of 2,4,4,6-Tetraphenyl-4H-pyran and Some of Its 1-Heteroanalogues." Collection of Czechoslovak Chemical Communications 57, no. 3 (1992): 546–55. http://dx.doi.org/10.1135/cccc19920546.

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The reaction of dibromine with the heterocycles I-IV gives corresponding 3,5-dibromo derivatives, while the less selective reactions with dichlorine afforded 3,5-dichloro derivative XII only in the case of 4H-thiopyran IV and trichloro derivative of the probable formula XIII in the case of 1,4-dihydropyridine II. Dichloro derivative IX was obtained on reaction of phosphorus pentachloride with substrate I. Nitration of compounds I-IV gives 3,5-dinitroderivatives XV-XVIII, but mononitro derivatives XIX and XX were also obtained. Iodination of compounds II-IV with di-iodine was unsuccessful.
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9

Kampel, V. Ts, V. I. Bregadze, V. A. Antonovich, N. N. Godovikov, M. I. Kabachnik, and A. N. Nesmeyanov. "Carboranyl Derivatives of Phosphorus Acids with Boron-Phosphorus Bond." Phosphorus, Sulfur, and Silicon and the Related Elements 51, no. 1-4 (1990): 211. http://dx.doi.org/10.1080/10426509008040745.

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10

Mistry, Rakesh N., and K. R. Desai. "Studies on Synthesis of Some Novel Heterocyclic Azlactone Derivatives and Imidazolinone Derivatives and their Antimicrobial Activity." E-Journal of Chemistry 2, no. 1 (2005): 42–51. http://dx.doi.org/10.1155/2005/542938.

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p- Methyl benzoic acid on reaction with phosphorus pentachloride gives p - methyl benzoyl chloride derivative which on condensation with glycine gives p - methyl benzoyl glycine derivative. Now, this p - methyl benzoyl glycine derivative on condensation with various substituted aldehydes gives corresponding substituted 4 - [aryl methylidine] - 2 - [p - methyl phenyl] - oxazole - 5 - one derivatives [1(a-j)]. Further, these derivatives [1(a-j)] on condensation with 4 , 4’ - diamino diphenyl sulphone gives corresponding substituted imidazolinone - dibenzsulphone derivatives [2(a-j)], on condensa
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11

Journal, Baghdad Science. "Synthesis of New N-Substituted Phenoxazine Derivatives." Baghdad Science Journal 13, no. 2 (2016): 360–65. http://dx.doi.org/10.21123/bsj.13.2.360-365.

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This work comprises the synthesis of new phenoxazine derivatives containing N-substituted phenoxazine starting from phenoxazine (1). Synthesis of ethyl acetate phenoxazine (2) through the reaction of phenoxazine with ethylchloroacetate, which reacted with hydrazine hydrate to give 10-aceto hydrazide phenoxazine (3), then reacted with formic acid to give 10-[N-formyl acetohydrazide] phenoxazine (4). Reaction of compound (4) with phosphorous pentaoxide or phosphorus pentasulphide to gave 10-[N-methylene-1,3,4-oxadiazole] phenoxazine (5) and 10-[N-methylene-1,3,4-thiadiazole] phenoxazine (6).
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12

Wang, Lixia, Weifang Han, Chunhua Ge, Rui Zhang, Yufeng Bai, and Xiangdong Zhang. "Novel phenylboronic acid derivatives containing phosphorous and nitrogen as lubricant additives: Synthesis, characterization, and tribological behaviors." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 234, no. 10 (2020): 1669–79. http://dx.doi.org/10.1177/1350650120922707.

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Three phenylboronic acid derivatives containing phosphorous and nitrogen with chlorine (BNP1), methyl (BNP2), and nitro (BNP3) were successfully prepared and applied to evaluate the tribological behaviors as additives in liquid paraffin. Three derivatives exhibited high thermal stability. The tribological tests indicated that three derivatives lead to a substantial improvement in anti-friction and anti-wear properties of liquid paraffin. In comparison to BNP1 and BNP3, BNP2 performs best on friction-reducing and wear resistance performances. This is caused by the strong electron-donating abili
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13

Gupta, Bhawana, Suresh Magotra, Gauri D. Bajju, and Sushil K. Pandey. "Erratum to: Ditolyldithiophosphato derivatives of phosphorus(III) and phosphorus(V)." Monatshefte für Chemie - Chemical Monthly 145, no. 2 (2013): 383. http://dx.doi.org/10.1007/s00706-013-1111-7.

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14

Harnden, MR, and DT Hurst. "The Chemistry of Pyrimidinethiols. III. The Synthesis of Some Substituted Pyrimidinthiols and Some Thiazolo[5,4-D]pyrimidines." Australian Journal of Chemistry 43, no. 1 (1990): 55. http://dx.doi.org/10.1071/ch9900055.

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The preparation of a number of pyrimidinethiols and (substituted) thiopyrimidines has been carried out. The reaction of 5-acetylamino-2-aminopyrimidine-4,6-diol with phosphorus penta -sulfide in pyridine gave 5-amino-2-methylthiazolo[5,4-d]pyrimidine-7-thiol which was used to prepare several additional novel pyrimidine derivatives. Hydrolysis of the 4-carboxymethylthio derivative by using 5M hydrochloric acid gave 2,5-diamino-6-mercaptopyrimidin-4-ol hy -drochloride whilst hydrolysis of 2-methyl-7-methylthiothiazolo[5,4-d]pyrimidin-5-amine gave the corresponding 4-hydroxy derivative. Several 4
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15

Simulescu, Vasile, and Gheorghe Ilia. "Solid-phase Synthesis of Phosphorus Derivatives." Current Organic Chemistry 23, no. 6 (2019): 679–88. http://dx.doi.org/10.2174/1385272823666190213112019.

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The solid-phase synthesis (SPS) of phosphorus-containing compounds is based mainly on the fact that the chemical process is conducted in a two-phase system. One of the components is connected via covalent bonds to a solid support, which is in general an insoluble polymer, representing the solid phase of the process. The other components involved into the process are solubilized in a solution. The method is suitable to be applied to almost any organic compounds. A common example of using solid-phase synthesis is for obtaining products nucleotide containing, similar to nucleic acids. During the
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16

Enchev, Dobromir D. "New Phosphorus Derivatives of Salicylic Acid." Phosphorus, Sulfur, and Silicon and the Related Elements 165, no. 1 (2000): 243–48. http://dx.doi.org/10.1080/10426500008076343.

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17

Lebouc, Fanny, Isabelle Dez, Mihaela Gulea, Pierre-Jean Madec, and Paul-Alain Jaffrès. "Synthesis of Phosphorus-Containing Chitosan Derivatives." Phosphorus, Sulfur, and Silicon and the Related Elements 184, no. 4 (2009): 872–89. http://dx.doi.org/10.1080/10426500802715585.

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18

Bekiaris, G., R. D. Hund, and G. V. Röschenthaler. "Fluorinated ketoenols and their phosphorus derivatives." Journal of Fluorine Chemistry 54, no. 1-3 (1991): 277. http://dx.doi.org/10.1016/s0022-1139(00)83786-0.

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19

Kee, T. P. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 31, no. 34 (2010): no. http://dx.doi.org/10.1002/chin.200034286.

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20

Groombridge, H. J. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 42, no. 6 (2011): no. http://dx.doi.org/10.1002/chin.201106260.

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21

DAHL, O. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 25, no. 16 (2010): no. http://dx.doi.org/10.1002/chin.199416303.

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22

Tebby, J. C. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 41, no. 23 (2010): no. http://dx.doi.org/10.1002/chin.201023249.

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23

DAHL, O. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 29, no. 17 (2010): no. http://dx.doi.org/10.1002/chin.199817312.

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24

Balueva, A. S., G. N. Nikonov, S. G. Vul'fson, N. N. Sarvarova, and B. A. Arbuzov. "Borylation of o-Hydroxyphenyl phosphorus derivatives." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 40, no. 2 (1991): 413–17. http://dx.doi.org/10.1007/bf00965441.

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25

DAHL, O. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 28, no. 15 (2010): no. http://dx.doi.org/10.1002/chin.199715306.

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26

DAHL, O. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 27, no. 33 (2010): no. http://dx.doi.org/10.1002/chin.199633297.

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27

Dahl, O. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 30, no. 35 (2010): no. http://dx.doi.org/10.1002/chin.199935308.

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28

DAHL, O. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 26, no. 23 (2010): no. http://dx.doi.org/10.1002/chin.199523291.

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29

Groombridge, H. J. "ChemInform Abstract: Tervalent Phosphorus Acid Derivatives." ChemInform 44, no. 12 (2013): no. http://dx.doi.org/10.1002/chin.201312239.

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30

Ibrahim, Hassan K., Sayed H. El-Tamany, Reda F. El-Shaarawy, and Ibrahim M. El-Deen. "Synthesis and investigation of mass spectra of some novel benzimidazole derivatives." Macedonian Journal of Chemistry and Chemical Engineering 27, no. 1 (2008): 65. http://dx.doi.org/10.20450/mjcce.2008.248.

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2-Substituted benzimidazoles (3) and (4a-c) were prepared via condensation of ethyl 2-thionyl-pyruvate (1) and hydrazidoyl derivatives (2a-c) with o-phenylene diamine in acetic acid. Acetylation of compound (4a) with acetic anhydride yielded the corresponding N-acetyl derivative (5). Treatment of compound 4b with hydrazine hydrate gave the corresponding hydrazino derivative (6). Reaction of 2-[(2-thionyl)acetyl)] benzimidazole (3) with hydrazine hydrate gave the pyrazolyl derivative (7) and hydrazino derivative (8). Alkylation of compound 3 with alkyl halide gave the corresponding 2,3-disubsti
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31

FERRIER, R. J., R. BLATTNER, K. CLINCH, et al. "ChemInform Abstract: Inorganic Derivatives. Part 1. Carbon-Bonded Phosphorus Derivatives." ChemInform 28, no. 14 (2010): no. http://dx.doi.org/10.1002/chin.199714291.

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32

Doskocz, Marek, Barbara Malinowska, Piotr Młynarz, Barbara Lejczak, and Paweł Kafarski. "Long range phosphorus–phosphorus coupling constants in bis(phosphorylhydroxymethyl)benzene derivatives." Tetrahedron Letters 51, no. 26 (2010): 3406–11. http://dx.doi.org/10.1016/j.tetlet.2010.04.107.

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33

Howell, Bob A., and Xiaorui Han. "Effective Biobased Phosphorus Flame Retardants from Starch-Derived bis-2,5-(Hydroxymethyl)Furan." Molecules 25, no. 3 (2020): 592. http://dx.doi.org/10.3390/molecules25030592.

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A series of biobased phosphorus flame retardants has been prepared by converting starch-derived bis-2,5-(hydroxymethyl)furan to the corresponding diacrylate followed by Michael addition of phosphite to generate derivatives with phosphorus moieties attached via P–C bonds. All compounds behave as effective flame retardants in DGEBA epoxy resin. The most effective is the DOPO derivative, 2,5-di[(3-dopyl-propanoyl)methyl]furan. When incorporated into a DGEBA blend at a level to provide 2% phosphorus, a material displaying a LOI of 30, an UL 94 rating of V0 and a 40% reduction in combustion peak he
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34

Siedentop, Tjark, Ion Neda, and Reinhard Schmutzler. "Synthese und Komplexierung Phosphorylierter spacer-modifizierter Glucosederivate/ Synthesis and Complexation of Spacer Modified Phosphorylated Glucose Derivatives." Zeitschrift für Naturforschung B 55, no. 10 (2000): 956–60. http://dx.doi.org/10.1515/znb-2000-1011.

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AbstractTreatment of the spacer modified glucose derivative 1 with diethylaminotrimethylsilane furnished the bis-silylated molecule 2. Reaction of 2 with two equivalents of the phosphorus compounds 3, 4, and 5 led to the spacer phosphorylated glucosyl derivatives 6, 7 and 8. Complexation of 6 with (COD)PtCl2 gave complex 9; the cis-conformation of 9 could be confirmed by 31P NMR investigations
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35

Asif, Mohammad. "Some Conventional and Convenient Process for Functionalization of 6-Phenyl-4,5-Dihydropyridazinone Compounds." Asian Journal of Chemistry and Pharmaceutical Sciences 1, no. 1 (2016): 41. http://dx.doi.org/10.18311/ajcps/2016/8375.

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The pyridazinone derivatives, particularly those bearing substituted different group or atom at a different position, have attracted considerable attention due to their characteristic pharmacological and other anticipated activities. These activities promoted the synthesis of a large number of substituted pyridazinone derivatives in order to explore the usefulness of this heterocyclic system. In the present review, various synthetic methods have been studied for the synthesis of substituted pyridazinone derivatives. The behaviour of the pyridazinone toward formaldehyde/piperidine, ethyl chloro
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36

Attanasi, Orazio, Paolino Filippone, and Mario Grossi. "SYNTHESIS OF SOME PHOSPHORUS DERIVATIVES OF CARDANOL." Phosphorus and Sulfur and the Related Elements 35, no. 1-2 (1988): 63–65. http://dx.doi.org/10.1080/03086648808079365.

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37

Bondarenko, N. A., M. V. Raitarskaya, M. V. Rudomino, and E. N. Tsvetkova. "Synthesis of Phosphorus-Containing Carboxylic Acid Derivatives." Phosphorus, Sulfur, and Silicon and the Related Elements 51, no. 1-4 (1990): 381. http://dx.doi.org/10.1080/10426509008040908.

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38

Maier, Ludwig, and H. Spörri. "ORGANIC PHOSPHORUS COMPOUNDS 102.1AMINOOXYALKYLPHOSPHONIC ACIDS AND DERIVATIVES." Phosphorus, Sulfur, and Silicon and the Related Elements 70, no. 1 (1992): 39–48. http://dx.doi.org/10.1080/10426509208049149.

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39

Prishchenko, A. A., M. V. Livantsov, O. P. Novikova, L. I. Livantsova, I. S. Ershov, and V. S. Petrosyan. "Synthesis of phosphorus-substituted propargyl alcohol derivatives." Russian Journal of General Chemistry 82, no. 9 (2012): 1590–92. http://dx.doi.org/10.1134/s1070363212090253.

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40

Wesemann, Jodi, Peter G. Jones, Dietmar Schomburg, Lutz Heuer, and Reinhard Schmutzler. "Phosphorus derivatives of anthracene and their dimers." Chemische Berichte 125, no. 10 (1992): 2187–97. http://dx.doi.org/10.1002/cber.19921251005.

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41

Caminade, Anne-Marie, Cédric-Olivier Turrin, Régis Laurent, Cyrille Rebout, and Jean-Pierre Majoral. "Phosphorus dendritic architectures: polyanionic and polycationic derivatives." Polymer International 55, no. 10 (2006): 1155–60. http://dx.doi.org/10.1002/pi.1929.

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42

BREGADZE, V. I., V. TS KAMPEL, L. V. ERMANSON, V. A. ANTONOVICH, and N. N. GODOVIKOV. "ChemInform Abstract: Boron-Carboranyl Derivatives of Phosphorus." ChemInform 26, no. 2 (2010): no. http://dx.doi.org/10.1002/chin.199502262.

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43

Juge, S., R. Malacea, and A. Tessier. "ChemInform Abstract: Synthetically Derived Auxiliaries: Phosphorus Derivatives." ChemInform 44, no. 36 (2013): no. http://dx.doi.org/10.1002/chin.201336201.

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44

Müller, Patrick, Olaf Fuhr, and Manfred Döring. "New Phosphorus-Containing Quinone Derivatives II: Tri- and Tetraphosphorylated Quinone Derivatives." Heteroatom Chemistry 24, no. 4 (2013): 252–62. http://dx.doi.org/10.1002/hc.21089.

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45

Segawa, Hiroshi, Kazuhiko Kunimoto, Akio Nakamoto, and Takeo Shimidzu. "Synthesis of axial dialkoxy phosphorus(V)porphyrin derivatives—novel hypervalent phosphorus compounds." J. Chem. Soc., Perkin Trans. 1, no. 8 (1992): 939–40. http://dx.doi.org/10.1039/p19920000939.

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46

Chen, Long, and Yun-Xiang Zou. "Recent progress in the synthesis of phosphorus-containing indole derivatives." Organic & Biomolecular Chemistry 16, no. 41 (2018): 7544–56. http://dx.doi.org/10.1039/c8ob02100g.

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Phosphorus-containing indole derivatives represent a special class of phosphorus-containing nitrogen heterocycles. This review summarizes the recent progress in the synthesis of such compounds, briefly discusses the reaction mechanisms and challenges, and outlines the synthetic opportunities still open.
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47

Miao, Yuhang, Xiaojing Wang, Jie Sun, and Zhong Yan. "Recent advances in the biomedical applications of black phosphorus quantum dots." Nanoscale Advances 3, no. 6 (2021): 1532–50. http://dx.doi.org/10.1039/d0na01003k.

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48

Sun, Jialin, Zejia Duan, Ye Zhang, Sisi Cao, Zhonghua Tang, and Ann Abozeid. "Metabolite Profiles Provide Insights into Underlying Mechanism in Bupleurum (Apiaceae) in Response to Three Levels of Phosphorus Fertilization." Plants 11, no. 6 (2022): 752. http://dx.doi.org/10.3390/plants11060752.

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Phosphorus (P) deficiency affects plant yield and quality, yet at the same time, excessive phosphorus application does not necessarily promote the growth of plants. How to maintain a balance between biomass accumulation and phosphorus application is a problem. Therefore, the purpose of this research was to explore the relationship between yield and quality of Bupleurum and phosphorus fertilization, based on three phosphorus fertilization levels (20 kg∙ha−1; 10 kg∙ha−1; and 0 kg∙ha−1). We adopted gas chromatography-mass spectrometry to assess the response of primary metabolites of different pla
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49

Abdreimova, R. R., F. Kh Faizova, and A. A. Karimova. "Copper (II) Catalyzed Oxidative Alkoxylation of White Phosphorus. Communication 2." Eurasian Chemico-Technological Journal 12, no. 3,4 (2010): 267. http://dx.doi.org/10.18321/ectj54.

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White phosphorus has been catalytically oxidized by oxygen in alcoholic solutions of copper (II) acetylacetonate, halides or carboxylates to yield dialkyl phosphites and trialkyl phosphates under mild reaction conditions. Trialkyl phosphite has been observed as unstable organophosphorus intermediate, which is being converted into the main reaction products. In the case of methanolic solutions, the derivatives of two step acidolysis of dimethyl phosphite, monomethyl phosphite and phosphorous acid, have been additionally detected among the reaction products. The influence of the copper (II) cata
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50

Wrackmeyer, Bernd, Elena V. Klimkina, and Wolfgang Milius. "1,3,2-Diazaphospha-[3]ferrocenophanes. Molecular Structures and Multinuclear Magnetic Resonance Studies." Zeitschrift für Naturforschung B 64, no. 11-12 (2009): 1401–12. http://dx.doi.org/10.1515/znb-2009-11-1222.

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2-Phenoxy-1,3,2-diazaphospha-[3]ferrocenophane and related derivatives (oxide, sulfide, selenide) were prepared, characterized in solution by multinuclear magnetic resonance methods (1D and 2D 1H, 13C, 15N and 31P NMR) and in the solid state by X-ray structural analysis. The conformation of the 2-phenoxy derivative differs from that of the 2-tert-butyl compound. For further comparison, 2-R- 2,3-dihydro-1H-1,3,2-diazaphospha-phenalene derivatives R = 'Bu, PhO were prepared and studied by the same NMR techniques. The molecular structure of a selenide was determined, and together with the NMR evi
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