Synthesis and Stereochemistry of 11-Amino-6,6a,7,8.8.10,10a,11-octahydrodibenzo(b,e)thiepines and -oxepines.
作者:Mikio KUROKAWA、Akira ITOGAWA、Jun-ichi MATAUMOTO、Yoshihisa FUKUMOTO、Tomitake TSUKIHARA
DOI:10.1248/cpb.40.2270
日期:——
11-Amino-6, 6a, 7, 8, 9, 10, 10a, 11-octahydrodibebenzo[b, e]thiepines (6a-d) and -oxepines (7a-d) were synthesized by the Leuckart reaction of 6, 6a, 7, 8, 9, 10, 10a, 11-octahydro-11-oxodibenzo[b, e]thiepines (1a, b)and -oxepines (2a, b) followed by hydrolysis of the reaction products 4a-d and 5a-d, respectively. The four diastereomers, cis(6a-H, 10a-H)-cis(10a-H, 11-H) 6a and 7a, cis(6a-H, 10a-H)-trans(10a-H, 11-H) 6b and 7b, trans(6a-H, 10a-H)-trans(10a-H, 11a-H)6c and 7c, and trans(6a-H, 10a-H)-cis(10a-H, 11-H) 6d and 7d, were isolated and their configurations and conformations were elucidated by chemical methods together with 1H-nuclear magnetic resonance spectroscopic and X-ray crystallographic analyses.
11-氨基-6、6a、7、8、9、10、10a、11-八氢二苯并[b,e]硫杂卓(6a-d)和-氧杂卓(7a-d)通过 6、6a、7、8、9、10、10a、11-八氢-11-氧二苯并[b,e]硫杂卓(1a,b)和-氧杂卓(2a,b)的 Leuckart 反应合成、10、10a、11-八氢-11-氧代二苯并[b,e]硫杂卓 (1a, b) 和-氧杂卓 (2a, b) 通过 Leuckart 反应合成,然后分别水解反应产物 4a-d 和 5a-d。四种非对映异构体,即顺式(6a-H,10a-H)-顺式(10a-H,11-H)6a 和 7a、顺式(6a-H,10a-H)-反式(10a-H,11-H)6b 和 7b、反式(6a-H,10a-H)-反式(10a-H,11a-H)6c 和 7c,以及反式(6a-H,10a-H)-顺式(10a-H、11-H)6d 和 7d,并通过化学方法以及 1H 核磁共振光谱和 X 射线晶体学分析阐明了它们的构型和构象。