Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Shinsuke Nakahara"'
Autor:
Akinori Kubo, Masanori Nagatsu, Yoshiyasu Kitahara, T. Yonezawa, Shinsuke Nakahara, Yoshikazu Shibano
Publikováno v:
Tetrahedron. 53:17029-17038
A pentacyclic aromatic alkaloid, kuanoniamine A (6) was synthesized in three steps from 6-methoxybenzothiazole-4,7-dione (8) and 2-aminoacetophenone (9). 11-Hydroxyascididemin (4) was prepared from 5,8-quinolinedione (13, 14) or 1,4-acridinedione (20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f63c29b4694bb1ff9f38d732e25faeb2
https://doi.org/10.1016/s0040-4020(97)10153-3
https://doi.org/10.1016/s0040-4020(97)10153-3
Publikováno v:
Journal of the American Chemical Society. 115:10733-10741
The first total synthesis of streptonigrone (1) is detailed and is based on the implementation of a room temperature, inverse electron demand Diels-Alder reaction of the N-sulfonyl-1-aza-1,3-butadiene 11 for introduction of the fully sustituted pyrid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01a5ba9b2638710bd8dea50ae8566a25
https://doi.org/10.1021/ja00076a035
https://doi.org/10.1021/ja00076a035
Autor:
Shinsuke Nakahara, Dale L. Boger
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf101a105229d82e485ae82c18b84d70
https://doi.org/10.1002/chin.199133192
https://doi.org/10.1002/chin.199133192
Publikováno v:
ChemInform. 24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fba7b5ea4cac4df43c99e11aa19219f
https://doi.org/10.1002/chin.199331258
https://doi.org/10.1002/chin.199331258
Publikováno v:
ChemInform. 28
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af16c3b2a737cc56a24eb6b49e4484c2
https://doi.org/10.1002/chin.199707249
https://doi.org/10.1002/chin.199707249
Autor:
Yoshiyasu Kitahara, Yoshikazu Shibano, Masanori Nagatsu, Shinsuke Nakahara, Akinori Kubo, T. Yonezawa
Publikováno v:
ChemInform. 29
A pentacyclic aromatic alkaloid, kuanoniamine A (6) was synthesized in three steps from 6-methoxybenzothiazole-4,7-dione (8) and 2-aminoacetophenone (9). 11-Hydroxyascididemin (4) was prepared from 5,8-quinolinedione (13, 14) or 1,4-acridinedione (20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e5da9e8938626f0699e7bb706d5a545
https://doi.org/10.1002/chin.199815229
https://doi.org/10.1002/chin.199815229
Publikováno v:
ChemInform. 29
A cytotoxic fused tetracyclic aromatic alkaloid, pantherinine ( 1 ) from the ascidian aplidium pantherinum , was synthesized using biaryl cross-coupling reaction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e28283fb64439ae8c18469154de7f90c
https://doi.org/10.1002/chin.199842222
https://doi.org/10.1002/chin.199842222
Publikováno v:
ChemInform. 41
The synthesis of arnoamine B (2), which inhibits the catalytic activity of topoisomerase II and exhibits selective cytotoxicity against human tumor cell lines, was achieved in six steps from 5-methoxy-6-nitroindole (3) in 33 % overall yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb7589eb87e656337e31cfafb9bb39ce
https://doi.org/10.1002/chin.201019197
https://doi.org/10.1002/chin.201019197
Autor:
Manabu Akazawa, Yoshiyasu Kitahara, Akinori Kubo, Shinsuke Nakahara, Tatsuya Nakai, Masaro Shimizu
Publikováno v:
Chemical and Pharmaceutical Bulletin. 39:2256-2263
5, 8-Isopuinolinediones (12, 18, 25), 7, 8-isoquinolinediones (14, 19) and 5, 6-isoquinolinediones (26) were synthesized by oxidative demethylation of the corresponding dimethoxyisoquinolines with cerium(IV) ammonium nitrate or silver(II) oxide. 8-Di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::231203c7beea4f632473ef724f8f3a13
https://doi.org/10.1248/cpb.39.2256
https://doi.org/10.1248/cpb.39.2256
Autor:
Dale L. Boger, Shinsuke Nakahara
Publikováno v:
The Journal of Organic Chemistry. 56:880-884
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::954d8e63758548836296c2ea0b1434a2
https://doi.org/10.1021/jo00002a077
https://doi.org/10.1021/jo00002a077