Zobrazeno 1 - 10
of 180
pro vyhledávání: '"Toda, A"'
Publikováno v:
Tetrahedron Letters. 59:1121-1124
The coupling reactions of allylic and benzylic alcohols and allyltrimethylsilane are efficiently catalyzed by a rhenium complex to give the corresponding 1,5-dienes and alkenes in moderate to good yields. Similarly, alcohols were coupled with ketene
Publikováno v:
In Tetrahedron Letters 21 March 2018 59(12):1121-1124
Autor:
Hidefumi Makabe, Koichiro Kawaguchi, Hiroshi Fujii, Kiriko Matsumoto, Wataru Fujii, Sei-ichi Kawahara, Yasunao Hattori, Kazuya Toda
Publikováno v:
TETRAHEDRON LETTERS. 54(52):7188-7192
Total synthesis of prodelphinidin B1, B2, and B4 has been accomplished. The key step is Lewis acid-mediated equimolar condensations between an epigallocatechin and/or a gallocatechin nucleophile and an epigallocatechin and/or a gallocatechin electrop
Autor:
Kazuhisa Hiratani, Yoshimi Sasaki, Masahiro Minabe, Mitsuru Toda, Masashi Shibuya, Michinori Karikomi, Kenya Yamada, Takao Kimura
Publikováno v:
Tetrahedron Letters. 55:7099-7101
The asymmetric coupling reaction of 2-hydroxybenzo[c]phenanthrenes by using Cu–chiral diamine under atmospheric air is described. The use of CuCl-(–)-sparteine and CuCl-cyclohexanediamine derivatives was found to be highly effective to give the h
Autor:
Anzai, Miyuki, Toda, Ayako, Ohno, Hiroaki, Takemoto, Yoshiji, Fujii, Nobutaka, Ibuka, Toshiro
Publikováno v:
In Tetrahedron Letters 1999 40(41):7393-7397
Autor:
Ohno, Hiroaki, Toda, Ayako, Fujii, Nobutaka, Miwa, Yoshihisa, Taga, Tooru, Yamaoka, Yumiko, Osawa, Eriko, Ibuka, Toshiro
Publikováno v:
In Tetrahedron Letters 1999 40(7):1331-1334
Publikováno v:
In Tetrahedron Letters 1999 40(2):349-352
Autor:
Hirokazu Takada, Kaoru Nakamura, Toshiaki Sunazuka, Satoshi Ōmura, Rokuro Masuma, Aoi Kimishima, Ken Katsuyama, Akihiro Sugawara, Masaki Toda, Tomoyasu Hirose, Takanori Matsumaru
Publikováno v:
Tetrahedron Letters. 53:2813-2816
Luminamicin (1) was found to exhibit selective antibacterial activity against anaerobic bacteria by our group in 1985. The concise structure of 14-membered lactone of 1 was synthesized. Construction of a versatile enol ether moiety was achieved by St
Autor:
Nobuyuki Mase, Taishi Ando, Mitsuo Toda, Tetsuo Narumi, Fujie Tanaka, Fumiya Shibagaki, Naoharu Watanabe, Atsushi Sugita
Publikováno v:
Tetrahedron Letters. 55(11):1946-1948
Fluorogenic aromatic aldehydes bearing arylethynyl groups were developed. They were used for monitoring the reaction progress of organocatalytic aldol reactions in DMSO through an increase in the fluorescence intensity based on the formation of the f
Autor:
Tsutomu Ando, Yoshihisa Toda, Takuya Fukunaga, Chu Yiwen, Takeshi Aoki, Osamu Nozawa, Li Jun-ying, Akira Kawashima, Yuichi Terui
Publikováno v:
Tetrahedron Letters. 49:3067-3070
In the course of our screening program for novel glycine transporter inhibitors, we obtained a novel cyclic tetrapeptide (WSS2220) from the culture broth of Nonomuraea sp. The structure of WSS2220 was elucidated based on physicochemical data. WSS2220