NarcotinediolおよびHydrastinediolのSnCl_2-HClによる反応成績体
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Two kinds of 4-benzylidene-tetrahydroisoquinolines (III and V) were obtained from 1-α-or 1-β-narcotinediol (Ia, Ib) and 1-β-or 1-α-hydrastinediol (IIa, IIb) by their reaction with stannous chloride-hydrochloric acid in acetic acid solution. Besides V, an optically active 1-(α-hydroxybenzyl) tetrahydroisoquinoline (VI), the configuration of which is (1R : α R), was isolated from both 1-β-hydrastinediol (IIa) (1R : α S) and 1-α-hydrastinediol (IIb) (1R : α R). The structures of the reaction products were determined and some of them were identified by comparison with authentic samples.
- 公益社団法人日本薬学会の論文
- 1969-06-25
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- NarcotinediolおよびHydrastinediolのSnCl_2-HClによる反応成績体