Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Tarozaemon Nishiwaki"'
Publikováno v:
Journal of Fluorine Chemistry. 73:41-46
2-Aryl-3-arylamino-4,4,4-trifluoro-2-butenenitriles were obtained as hydrates from 3-oxo-2-aryl-4,4,4-trifluorobutyronitriles and anilines and their structure and heterocyclizations studied. Cyclization with polyphosphoric acid gave poor yields of 3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c8af174d81ea07cda9229957bf7fb8f
https://doi.org/10.1016/0022-1139(94)03201-a
https://doi.org/10.1016/0022-1139(94)03201-a
Autor:
H. Kikukawa, Tarozaemon Nishiwaki
Publikováno v:
Journal of Heterocyclic Chemistry. 31:889-892
Resorcinol and 5-methylresorcinol, respectively, react with 3-oxo-2- aryl-4,4,4-trifluorobutyronitrile using zinc chloride as a catalyst in dibutyl ether under the Hoesch reaction conditions to give a low yield of 3-aryl-7-hydroxy-4-trifluoromethyl-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c2d0e2a870d7aa958adf2d5c44fe6fd
https://doi.org/10.1002/jhet.5570310433
https://doi.org/10.1002/jhet.5570310433
Autor:
Tarozaemon Nishiwaki, Fusako Fujiyama
Publikováno v:
Synthesis. 1972:569-571
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6a5dab630cfd334dc7d1348ce533651
https://doi.org/10.1055/s-1972-21936
https://doi.org/10.1055/s-1972-21936
Publikováno v:
Journal of Heterocyclic Chemistry. 30:141-144
The reaction of the silylated base of 1,2-benzisoxazol-3(2H)-one (1) and its 7-methyl derivative 5 and 5-methyl-1,2-benzisothiazol-3(2H)-one (9), respectively, with 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose followed by basic deprotection gave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bdbcf6e3802354078c9134f0c6fab06
https://doi.org/10.1002/jhet.5570300125
https://doi.org/10.1002/jhet.5570300125
Publikováno v:
ChemInform. 24
The reaction of the silylated base of 1,2-benzisoxazol-3(2H)-one (1) and its 7-methyl derivative 5 and 5-methyl-1,2-benzisothiazol-3(2H)-one (9), respectively, with 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose followed by basic deprotection gave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a78c42de96191415982caa78e3068574
https://doi.org/10.1002/chin.199336253
https://doi.org/10.1002/chin.199336253
Publikováno v:
ChemInform. 26
2-Aryl-3-arylamino-4,4,4-trifluoro-2-butenenitriles were obtained as hydrates from 3-oxo-2-aryl-4,4,4-trifluorobutyronitriles and anilines and their structure and heterocyclizations studied. Cyclization with polyphosphoric acid gave poor yields of 3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::281ecf532ad45a8cfa59464e6bbd06bd
https://doi.org/10.1002/chin.199547069
https://doi.org/10.1002/chin.199547069
Publikováno v:
J. Chem. Soc., Perkin Trans. 1. :2693-2699
Acylation of 4-aryl-3-mercapto-3-isothiazoline-5-thiones (1) with acid chloride in pyridine or alternatively with acid anhydride leads exclusively to 3-acylthio-4-aryl-3-isothiazoline-5-thiones (2). Reactions of (1) with reactive acetylenes afford 2-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::debc55e9efd39078d0df21c73e510d7e
https://doi.org/10.1039/p19800002693
https://doi.org/10.1039/p19800002693
Publikováno v:
J. Chem. Soc., Perkin Trans. 1. :1401-1406
A number of 4-arylisothiazol-3-yl O-thioesters have been prepared utilising the S-thioester →O-thioester rearrangements of the 4-aryl-5-thioxo-3-isothiazolin-3-yl S-thioesters (1). Reactions of the isothiazolines with acylation reagents (e.g. acyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d7a42e411495e4ed1943ad8748b88c4
https://doi.org/10.1039/p19810001401
https://doi.org/10.1039/p19810001401
Autor:
Noritaka Abe, Tarozaemon Nishiwaki
Publikováno v:
Bulletin of the Chemical Society of Japan. 53:1406-1413
8-[(E)-Styryl]-1-azaazulenes stereospecifically react with dimethyl acetylenedicarboxylate to form trans-7H-6a-azacyclobuta[j]cyclopent[cd]azulene (3), which undergoes thermal rearrangement into 3-[(E)-styryl]3H-2a-azacyclopent[cd]azulene and 3a,4-di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caa8d8ae805206de1e3f84b7ec40f1f5
https://doi.org/10.1246/bcsj.53.1406
https://doi.org/10.1246/bcsj.53.1406
Publikováno v:
Bulletin of the Chemical Society of Japan. 55:2464-2469
Cycloaddition of 5-aryl-3-methylimidazo[5,1-b]thiazoles with dialkyl acetylenedicarboxylate in an aprotic nonpolar solvent gives a number of products including epimeric thiazolo[2,3-c]benzimidazoles (3 and 4) [1:2-cycloadducts], epimeric 5,10b-etheno
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d213466980438c514f2d7d17894bd48b
https://doi.org/10.1246/bcsj.55.2464
https://doi.org/10.1246/bcsj.55.2464