Tomita; Hirai, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1959, vol. 79, p. 723,726
作者:Tomita、Hirai
DOI:——
日期:——
US4013664A
申请人:——
公开号:US4013664A
公开(公告)日:1977-03-22
Synthesis of hernandaline
申请人:Research Corporation
公开号:US04013664A1
公开(公告)日:1977-03-22
There is disclosed a novel and improved method of synthesizing aporphines utilizing the Pschorr cyclization of 1-(2'-aminobenzyl)-7 hydroxy-1,2,3,4-tetrahydroisoquinolines in place of the corresponding 7-methoxy compounds. In the novel process of the present invention the amino group is diazotized and cyclized in the presence of copper powder.