ARYLLEAD TRIACETATES AS SYNTHONS FOR THE SYNTHESIS OF BIFLAVONOIDS .1. SYNTHESIS AND REACTIVITY OF A FLAVANONYLLEAD TRIACETATE

被引：7

作者：

DONNELLY, DMX ^{[1
]}

FITZPATRICK, BM ^{[1
]}

FINET, JP ^{[1
]}

机构：

[1] UNIV AIX MARSEILLE 1,CTR ST JEROME,SREP RADICAUX LIBRES & SYNTH LAB,CNRS,URA 1412,F-13397 MARSEILLE 20,FRANCE

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1994年 / 13期

关键词：

D O I：

10.1039/p19940001791

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The 8-triacetoxyplumbylflavane derivative 11 was prepared in 4 steps in 28% overall yield from 4',5,7-flavanone. It reacted with the benzofuranone allyl beta-keto ester 12 to yield a 8-(benzofuran-2-yl)flavanone 13 in 66%. Removal of the allyl ester group and cleavage of the dioxolane ring afforded the 8-(3-oxobenzofuran-2-yl)flavanone. This reaction shows that complex polyfunctional aryllead triacetates can be made and selectively coupled with activated ketones.

引用

页码：1791 / 1795

页数：5

共 24 条

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