SYNTHESIS OF NATURAL AND UNNATURAL FRONTALIN

作者: Takahiro Hosokawa , Yoshiki Makabe , Toru Shinohara , Shun-Ichi Murahashi

DOI: 10.1246/CL.1985.1529

关键词:

摘要: (S)-(−)- and (R)-(+)-Frontalin were synthesized, respectively, in high enantiomer excess from β-methallyl alcohol (2) by three-step procedure; (i) asymmetric epoxidation of 2, (ii) the epoxide opening with homoallylmagnesium bromide, (iii) Pd(II)-catalyzed intramolecular acetalization.

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