AN EFFICIENT ENANTIOSELECTIVE SYNTHESIS OF INDICINE N-OXIDE, AN ANTITUMOR PYRROLIZIDINE ALKALOID

被引:18
作者
OGAWA, T [1 ]
NIWA, H [1 ]
YAMADA, K [1 ]
机构
[1] NAGOYA UNIV,FAC SCI,DEPT CHEM,NAGOYA,AICHI 464,JAPAN
关键词
D O I
10.1016/S0040-4020(01)80345-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Indicine N-oxide (1), a pyrrolizidine alkaloid potentially useful for an anticancer drug was synthesized in the natural form through regioselective coupling of (+)-retronecine (2) and the protected necic acids 16a and 16b, the latter being efficiently prepared from the optically pure lactone 5.
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页码:1571 / 1578
页数:8
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