Syntheses of chiral oxazolo[2,3-a]tetrahydroisoquinoline and its asymmetric alkylation. Synthesis of (S)-(−)- and (R)-(+)-sa1solidines
作者:Masatoshi Yamato、Kuniko Hashigaki、Shigetaka Ishikawa、Nazmul Qais
DOI:10.1016/s0040-4039(00)88483-x
日期:1988.1
The isoquinolinium bromide (4), on treatment with base, underwent cyclization to give the chiral oxazolotetrahydroisoquinoline (5) with a high diastereoselectivity, which was converted to optically pure salsolidine.
在用碱处理后,对
溴化
异喹啉鎓(4)进行环化,以得到具有高非对映选择性的手性
恶唑四氢异喹啉(5),将其转化为光学纯的柳丁碱。