Stereoselective synthesis of (E)-11-(2-chloroethylidene)-6,11-dihydrodibenzo(b, e)thiepin.
作者:Yoshitaka OHISHI、Mitsuo HAYASHIDA、Teruo MUKAI、Kazuhiko KIMURA、Michiko NAGAHARA
DOI:10.1248/cpb.38.1066
日期:——
Three acidic metabolites (5-7) of 6, 11-dihydro-11-(3-dimethylaminopropylidene)dibenzo[b, e]thiepin(dothiepin) were prepared. In the synthetic course, a reaction of 6, 11-dihydro-11-vinyldibenzo[b, e]thiepin-11-ol (2) with SOCl2 stereoselectively afforded (E)-11-(2-chloroethylidene)-6, 11-dihydrodibenzo[b, e]thiepin (3). The mechanism of this reaction is discussed.
合成了三种酸性代谢产物(5-7),它们是6, 11-二氢-11-(3-二甲氨丙烯基)二苯并[b, e]噻吩(dothiepin)的衍生物。在合成过程中,6, 11-二氢-11-乙烯基二苯并[b, e]噻吩-11-醇(2)与SOCl2的反应立体选择性地生成了(E)-11-(2-氯乙烯基)-6, 11-二氢二苯并[b, e]噻吩(3)。讨论了该反应的机制。