SYNTHESIS OF THE OXINDOLE ALKALOID (-)-HORSFILINE

被引:98
作者
PELLEGRINI, C [1 ]
STRASSLER, C [1 ]
WEBER, M [1 ]
BORSCHBERG, HJ [1 ]
机构
[1] ETH ZENTRUM,ORGAN CHEM LAB,CH-8092 ZURICH,SWITZERLAND
关键词
D O I
10.1016/S0957-4166(00)86273-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A synthesis of (-)-horsfiline ((-)-1), a metabolite isolated recently from Horsfieldia superba, is described. The diastereoface selectivity of the crucial oxidative rearrangement of chiral tetrahydro-beta-carboline precursors into the corresponding oxindoles was investigated in some detail and found to depend critically on the substitution pattern of the aliphatic amino group. These findings were exploited for the preparation of (-)-1, as well as of the unnatural optical antipode (+)-1, starting from 5-hydroxy-1-tryptophan as the single source from the chiral pool.
引用
收藏
页码:1979 / 1992
页数:14
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