Zobrazeno 1 - 10 of 58 pro vyhledávání: '"Patrice de Meester"'
1
Determination of structure and13C chemical shift assignments of the nitration products of 2-chloro-10-methylphenothiazine. X-Ray molecular structure of 2-chloro-7-nitro-10-methylphenothiazine 5-oxide
Autor: Misa V. Jovanovic, Patrice De Meester, Edward R. Biehl, Shirley S. C. Chu
Publikováno v: Journal of Heterocyclic Chemistry. 23:801-807
Nitration of 2-chloro-10-methylphenothiazine, 1, yields two mono-nitro compounds identified as sulfoxide 2 and sulfone 3. The nmr analyses of the 13C spectra of 2 and 3 establish unequivocally that in both compounds substitution has occurred at the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d7fee00cb9e48439507fa42c0dd2dce9
https://doi.org/10.1002/jhet.5570230330
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2
Radical cation formation and crystal structure determination of 4′-dimethylamino-10-phenylpyrido[3,2-b]benzothiazine
Autor: Patrice De Meester, Misa V. Jovanovic, Shirley S. C. Chu, Edward R. Biehl
Publikováno v: Journal of Heterocyclic Chemistry. 21:1425-1429
The crystal structure of title compound, 4, shows that the 10-aryl group is parallel to the plane bisecting the pyridobenzothiazine ring. This structure is in contrast to that normally found for phenothiazines substituted with electron-withdrawing su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd76c76097ee06a2198687e118888215
https://doi.org/10.1002/jhet.5570210540
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3
Molecular structure and13C chemical shift assignments of 10-(2′-pyridyl)pyrido[3,2-b][1,4]benzothiazine using 10-phenylpyrido[3,2-b][1,4]benzothiazine as the model compound
Autor: Patrice De Meester, Shirley S. C. Chu, Edward R. Biehl, Misa V. Jovanovic
Publikováno v: Journal of Heterocyclic Chemistry. 22:777-783
The crystal structure of 10-(2′-pyridyl)pyrido[3,2-b][1,4]benzothiazine, 6, shows that orientation of the 10-pyridyl ring is in the plane bisecting the pyridobenzothiazine ring. This orientation is in contrast to that of 10-(2′-pyridyl)phenothiaz
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70d7bf58f60ece6e30f30f9e30ba7b6e
https://doi.org/10.1002/jhet.5570220333
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8
Crystal structure determination of 10-trifluoroacetylphenothiazine
Autor: Patrice de Meester and, Shirley S. C. Chu
Publikováno v: Journal of Heterocyclic Chemistry. 23:1249-1252
The structure of the title compound has been determined by single crystal X-ray methods. The crystals are monoclinic, space group P21/n with four molecules in a cell of dimensions a = 14.365(4), b = 5.942 (2), c = 17.359(3) A, β = 119.88(2)° and V
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ac1895b25f0f128da7fa0fee79e7695
https://doi.org/10.1002/jhet.5570230455
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9
Synthesis,13C NMR spectrum and crystal structure of 10-Phenylpyrido[3,2-b][1,4]benzothiazine 5-Oxide
Autor: Patrice De Meester, Shirley S. C. Chu, Misa V. Jovanovic, Edward R. Biehl
Publikováno v: Journal of Heterocyclic Chemistry. 23:797-800
The compound 10-phenylpyrido[3,2-b][1,4]benzothiazine 5-oxide, 1, has been obtained in nearly quantitative yield oxidation of 10-phenylpyrido[3,2-b][1,4]benzothiazine with oxygen in dioxane solution. The 13C nmr chemical shift assignments of 1 are re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2be1b0966333bd48699b52951a85af7a
https://doi.org/10.1002/jhet.5570230329
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10
Syntheses and configurations of some heterocyclic amidoximes. X-Ray crystal structure of 3-phenyl-5,6-dihydro-2(1H)-pyrazinone-O-methyloxime
Autor: Patrice De Meester, Abdolkarim Ghafouripour, Joanne A. Maia, Karen Tan, James E. Johnson, Shirley S. C. Chu
Publikováno v: Journal of Heterocyclic Chemistry. 23:1861-1868
O-Methyl-α-ketophenylacetohydroximoyl chloride (1) was prepared by the reaction of O-methyl-α-methoxyphenylacetohydroximoyl chloride (5) with N-bromosuccinimide and concentrated hydrobromic acid. Reaction of 1 with ethylenediamine gave 3-phenyl-5,6
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edd102b920b9c9341d7f024b19af39ec
https://doi.org/10.1002/jhet.5570230650
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