Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Miho Murahashi"'
Autor:
Kosuke Nakashima, Miho Murahashi, Hiroki Yuasa, Mariko Ina, Norihiro Tada, Akichika Itoh, Shin-ichi Hirashima, Yuji Koseki, Tsuyoshi Miura
Publikováno v:
Molecules, Vol 18, Iss 12, Pp 14529-14542 (2013)
Asymmetric conjugate additions of branched aldehydes to vinyl sulfones promoted by sulfonamide organocatalyst 6 or 7 have been developed, allowing facile synthesis of the corresponding adducts with all-carbon quaternary stereocenters in excellent yie
Externí odkaz:
https://doaj.org/article/78aa70abb5d8477cadc617f80893c625
Autor:
Takaaki Sakai, Masahiro Kawada, Ryoga Arai, Miho Murahashi, Yuki Fujino, Norihiro Tada, Kosuke Nakashima, Yuji Koseki, Tsuyoshi Miura, Akichika Itoh, Shin-ichi Hirashima
Publikováno v:
Tetrahedron Letters. 55:4619-4622
A diaminomethylenemalononitrile organocatalyst with a cinchona motif efficiently promotes the enantioselective conjugate addition of acetylacetone to various nitroalkenes to yield the corresponding addition products in high to excellent yields with u
Autor:
Miho Murahashi, Akichika Itoh, Tsuyoshi Miura, Kosuke Nakashima, Yuji Koseki, Mariko Ina, Norihiro Tada, Hiroki Yuasa, Shin-ichi Hirashima
Publikováno v:
Molecules
Molecules; Volume 18; Issue 12; Pages: 14529-14542
Molecules, Vol 18, Iss 12, Pp 14529-14542 (2013)
Molecules; Volume 18; Issue 12; Pages: 14529-14542
Molecules, Vol 18, Iss 12, Pp 14529-14542 (2013)
Asymmetric conjugate additions of branched aldehydes to vinyl sulfones promoted by sulfonamide organocatalyst 6 or 7 have been developed, allowing facile synthesis of the corresponding adducts with all-carbon quaternary stereocenters in excellent yie
Autor:
Norihiro Tada, Miho Murahashi, Akichika Itoh, Kosuke Nakashima, Hiroki Yuasa, Yohei Kanada, Tsuyoshi Miura, Yuji Koseki
Publikováno v:
Tetrahedron Letters. 54:4896-4899
Diaminomethylenemalononitrile organocatalyst 5 promotes the asymmetric conjugate addition of branched aldehydes to vinyl sulfone to afford the corresponding adducts with all-carbon quaternary stereocenters in excellent yields with up to 91% ee.
Autor:
Miho Murahashi, Akichika Itoh, Mariko Ina, Hiroki Yuasa, Tsuyoshi Miura, Norihiro Tada, Kosuke Nakashima
Publikováno v:
Synlett. 23:2385-2388
A sulfonamide organocatalyst promotes the asymmetric conjugate addition of branched aldehydes to vinyl sulfones to afford the corresponding adducts with all-carbon quaternary stereocenters in excellent yields with up to 95% ee.
Autor:
Tsuyoshi Miura, Miho Murahashi, Akichika Itoh, Hiroki Yuasa, Norihiro Tada, Yuji Koseki, Kosuke Nakashima, Yohei Kanada
Publikováno v:
ChemInform. 44
Diaminomethylenemalononitrile organocatalyst 5 promotes the asymmetric conjugate addition of branched aldehydes to vinyl sulfone to afford the corresponding adducts with all-carbon quaternary stereocenters in excellent yields with up to 91% ee.
Autor:
Hiroki Yuasa, Kosuke Nakashima, Norihiro Tada, Miho Murahashi, Akichika Itoh, Mariko Ina, Tsuyoshi Miura
Publikováno v:
ChemInform. 44
A β-aminosulfonamide organocatalyst together with an acidic additive catalyze the asymmetric conjugate addition of branched aldehydes (II) to vinyl sulfones (I) to afford the adducts (III), possessing all-carbon quaternary stereocenters, in excellen
Autor:
Yumi Yokoyama, Miho Murahashi, Naoki Asakawa, Shigeharu Nochi, Yoshiyuki Kawakami, Kumiko Ebine, Tadashi Sato, Megumi Narukawa
Publikováno v:
Chemical and Pharmaceutical Bulletin. 44:552-558
Sodium 2-[[4-(3-methoxypropoxy)-3-methylpyridin-2-yl]methylsulfinyl ]- 1H-benzimidazole (E3810) and omeprazole inhibit gastric acid secretion through inhibition of the activity of H+, K(+)-ATPase present in parietal cell membrane vesicles, by chemica
Autor:
Tsuyoshi Miura, Hiroki Yuasa, Miho Murahashi, Mariko Ina, Kosuke Nakashima, Norihiro Tada, Akichika Itoh
Publikováno v:
Synlett; Oct2012, Vol. 23 Issue 16, p2385-2388, 4p
Autor:
Shin-ichi Hirashima1, Kosuke Nakashima1, Yuki Fujino1, Ryoga Arai1, Takaaki Sakai1, Masahiro Kawada1, Yuji Koseki1, Miho Murahashi2, Norihiro Tada2, Akichika Itoh2, Tsuyoshi Miura1 tmiura@toyaku.ac.jp
Publikováno v:
Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry. Aug2014, Vol. 55 Issue 33, p4619-4622. 4p.