Zobrazeno 1 - 10
of 215
pro vyhledávání: '"Kazuyuki Sugita"'
Autor:
Hiroaki Inagaki, Kazuyuki Sugita, Rie N. Miyauchi, Satoru Miyauchi, Toshiyuki Takeda, Masao Itoh, Hisashi Takahashi, Makoto Takemura
Publikováno v:
ARKIVOC, Vol 2003, Iss 8, Pp 112-117 (2003)
Externí odkaz:
https://doaj.org/article/22e9dd59e4f64740828e9b7262e7351c
Autor:
Kazuyuki Sugita, Eiji Nagata, Hisaaki Sakate, Takaharu Okada, Shinya Adachi, Shogo Kamo, Akinobu Matsuzawa
Publikováno v:
Synthesis. 55:663-669
In this article, we report the synthesis of (±)-5-epi-vetiverianine A. The key reactions, including a rhodium-catalyzed coupling reaction and an oxidative phenolic cyclization, allow for efficient and stereoselective access to (±)-5-epi-vetiveriani
Publikováno v:
Organic Chemistry Frontiers. 9:6849-6852
We describe the first total synthesis of (+)-ent-vetiverianine A, which exhibits a 5/6/6-fused tricyclic structure, with the longest linear sequence of 14 steps, and in 12% overall yield.
Publikováno v:
European Journal of Organic Chemistry. 2022
Publikováno v:
Organicbiomolecular chemistry. 20(46)
In this study, we report the total syntheses of
Autor:
Shinya Adachi, Kazuyuki Sugita, Tomoya Mashiko, Akinobu Matsuzawa, Shogo Kamo, Jun Sakai, Yuta Shingai
Publikováno v:
Angewandte Chemie. 133:24689-24692
Herein, we describe the first total synthesis of cochlearol B, a meroterpenoid natural product featuring a 4/5/6/6/6-fused pentacyclic structure. Key steps, oxidative cyclization and subsequent intramolecular [2+2] photocycloaddition, which construct
Publikováno v:
Synthesis. 53:2092-2102
In this paper, the synthesis of the carbon skeleton of cotylenin A aglycone is described. The key reactions, including an intramolecular aldol reaction, an aldol coupling reaction, and a ring-closing metathesis, allow for the effective and stereose
Autor:
Yoshiyuki Iwase, Takamichi Arima, Kanako Miyano, Michiko Narita, Minoru Narita, Yukari Suda, Naoko Kuzumaki, Shigeru Sasaki, Tomohisa Mori, Yusuke Hamada, Kazuyuki Sugita, Kimio Higashiyama, Shoki Matsumura, Yasuhito Uezono, Mitsuaki Yamazaki, Akinobu Matsuzawa, Takayasu Yamauchi, Yoshinori Takemura
Publikováno v:
Biochemical and Biophysical Research Communications. 534:988-994
TRV130 (oliceridine), a G protein-biased ligand for μ-opioid receptor, has recently been synthesized. It is considered to have strong antinociceptive effects and only minor adverse effects. However, whether or not oliceridine actually exhibits an id
Publikováno v:
Organic Chemistry Frontiers. 8:6063-6066
In this study, concise total syntheses of Peniclillium sesquiterpenes (±)-Penicibilaenes A and B are described. This approach involves an effective intramolecular aldol condensation to construct a bicyclic skeleton, a stereoselective rhodium-catalyz
Autor:
Shinya Adachi, Ayumu Miyashita, Motoi Kuwabara, Akinobu Matsuzawa, Rintaro Matsuo, Kazuyuki Sugita
Publikováno v:
Synlett. 31:1800-1804
We have developed a concise diastereoselective total synthesis of (±)-parvistemonine A. By using a Mukaiyama–Michael addition, an aza-Wittig reaction, a Paal–Knorr pyrrole synthesis, an acid-mediated annulation, and a Mitsunobu reaction as key s