Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Shin Kamijo"'
Autor:
Toshihiro Murafuji, A. F. M. Hafizur Rahman, Daiki Magarifuchi, Masahiro Narita, Isamu Miyakawa, Katsuya Ishiguro, Shin Kamijo
Publikováno v:
Heteroatom Chemistry, Vol 2019 (2019)
Diaryl(iodo)bismuthanes possessing a hypervalent C=O•••Bi–I bond were conveniently synthesized in a one-pot reaction by using arylzinc reagents generated from o-carbonyl iodobenzenes and zinc powder under ultrasonication. This method is super
Externí odkaz:
https://doaj.org/article/155ae52e9bc3431d8490fbb3748f2ce6
Publikováno v:
Synthesis. 54:4576-4582
A light-driven naphthylation was achieved at C(sp3)–H bonds attached to either oxygen or nitrogen substituents using sulfonylnaphthalenes as a naphthalene precursor in the presence of 4-benzoylpyridine at ambient temperature. The present transforma
Publikováno v:
Synthesis. 51:3859-3864
An aryl ketone mediated synthesis of 2-alkylated benzazoles was achieved via radical coupling under photoirradiation starting from saturated heterocycles and 2-sulfonylated benzazoles, such as benzothiazoles, benzoxazole, and benzimidazole. Heterocyc
Autor:
Katsuya Ishiguro, Shin Kamijo, Oka Yurie, Fumito Tani, Kumiko Hiyama, Saki Yamashita, Masayuki Fujinaga, Masahiro Narita, Toshihiro Murafuji
Publikováno v:
The Journal of Organic Chemistry. 83:1298-1303
Azulen-2-ylboronic acid pinacol ester, prepared by iridium-catalyzed C-H borylation of azulene, efficiently underwent iododeboronation with a stoichiometric amount of copper(I) iodide. This reaction allowed the synthesis of 2-iodoazulene in only two
Publikováno v:
The Journal of Organic Chemistry. 82:2664-2671
The synthesis of alkylated pyrimidines was achieved via benzophenone-mediated photoinduced coupling between saturated heterocycles and sulfonylpyrimidines. The pyrimidine ring was selectively introduced at the nonacidic C(sp3)–H bond proximal to he
Publikováno v:
Organic Letters. 18:6516-6519
The catalytic introduction of an allyl group at nonacidic C(sp3)–H bonds was achieved under photoirradiation, in which 1,2-bis(phenylsulfonyl)-2-propene acts as an allyl source and 5,7,12,14-pentacenetetrone (PT) works as a C–H bond-cleaving cata
Autor:
Shin Kamijo, Masahiro Narita, Daiki Magarifuchi, Toshihiro Murafuji, A. F. M. Hafizur Rahman, Isamu Miyakawa, Katsuya Ishiguro
Publikováno v:
Heteroatom Chemistry, Vol 2019 (2019)
Diaryl(iodo)bismuthanes possessing a hypervalent C=O•••Bi–I bond were conveniently synthesized in a one-pot reaction by using arylzinc reagents generated from o-carbonyl iodobenzenes and zinc powder under ultrasonication. This method is super
Autor:
Shin Kamijo
Publikováno v:
Photoorganocatalysis in Organic Synthesis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::834c73c3c88e30cc302f8f0354d86ccb
https://doi.org/10.1142/9781786346056_0001
https://doi.org/10.1142/9781786346056_0001
Autor:
Toshihiro Murafuji, Masayuki Fujinaga, Katsuya Ishiguro, Yusuke Tasaki, Keisuke Tao, Shin Kamijo
Publikováno v:
Synthesis. 49:1037-1042
Azulen-1-ylboronic acid pinacol ester undergoes a three-component Petasis reaction with amines and glyoxylic acid hydrate to give azulenylglycine derivatives in good yields. The progress of the reaction is indicated by a characteristic color change f
Publikováno v:
Organic Letters. 18:4912-4915
Photoinduced catalytic Michael-type radical addition was achieved via olefin insertion into a nonacidic C(sp3)–H bond, utilizing 2-chloroanthraquinone as a C–H bond-cleaving catalyst and 1,1-bis(phenylsulfonyl)ethylene as an olefinic substrate. T