Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Ryukichi Takagi"'
Publikováno v:
ARKIVOC, Vol 2018, Iss 2, Pp 192-204 (2017)
Externí odkaz:
https://doaj.org/article/84d1035923844ef8ae1a7d76305fb2f7
Autor:
Satish Jakkampudi, Manabu Abe, Naomitsu Komori, Ryukichi Takagi, Ko Furukawa, Claudine Katan, Wakako Sawada, Noriko Takahashi, Haruo Kasai
Publikováno v:
ACS Omega, Vol 1, Iss 2, Pp 193-201 (2016)
Externí odkaz:
https://doaj.org/article/029c86a155024abfa3a0bc50dbe750b3
Autor:
Yuki Miyazawa, Zhe Wang, Sayaka Hatano, Ryukichi Takagi, Hideto Matsuoka, Naoka Amamizu, Yasutaka Kitagawa, Eiichi Kayahara, Shigeru Yamago, Manabu Abe
Publikováno v:
Chemistry – A European Journal.
Publikováno v:
Chemistry Letters. 51:153-156
Autor:
Ryukichi Takagi, Takaaki Tanimoto
Publikováno v:
Organic & Biomolecular Chemistry. 20:3940-3947
The enantioselective inter- and intramolecular [2 + 2] photocycloaddition of quinolone using a C1-symmetric chiral phosphoric acid as a photocatalyst has been developed.
Autor:
Ryukichi Takagi, Yuhei Yamasaki
Publikováno v:
Chemistry Letters. 50:1781-1783
Alkaline earth metal salts of chiral bis-sulfonimide were prepared in this study. Asymmetric Diels-Alder reactions catalyzed by these metal salts were examined to evaluate the performance of bis-su...
Autor:
Duyen Thi Duong, Ryukichi Takagi
Publikováno v:
Organic & Biomolecular Chemistry. 19:8806-8811
The mechanism of the enantioselective intramolecular hydroamination of alkenyl thiourea catalyzed by chiral binaphthol N-triflylphosphoramide (NPTA) was investigated using density functional theory calculations. This study reveals the details of the
Autor:
Ryukichi Takagi, Chihiro Tabuchi
Publikováno v:
Organic & Biomolecular Chemistry. 18:9261-9267
The enantioselective intramolecular [2 + 2] photocycloaddition of 4-bishomoally-2-quinolone (quinolinone) using phosphoric acid as a chiral template has been developed. Mechanistic studies using several NMR measurement techniques and density function
Autor:
Ryukichi, Takagi, Duyen Thi, Duong
Publikováno v:
Organicbiomolecular chemistry. 19(40)
The mechanism of the enantioselective intramolecular hydroamination of alkenyl thiourea catalyzed by chiral binaphthol
Publikováno v:
ARKIVOC, Vol 2018, Iss 2, Pp 192-204 (2017)