STEREOSELECTIVE SYNTHESIS OF TRIFLUOROMETHYL-SUBSTITUTED ISOXAZOLIDINO[4,3-C]-CHROMAN-4-ONES AND ISOXAZOLIDINO[4,3-C]-QUINOLIN-4-ONES VIA INTRAMOLECULAR NITRONE CYCLOADDITION

被引:0
|
作者
ARNONE, A
BRUCHE, L
GARANTI, L
ZECCHI, G
机构
[1] POLITECN MILAN,DIPARTIMENTO CHIM,I-20131 MILAN,ITALY
[2] CNR,CTR STUDIO SOSTANZE ORGAN NAT,I-20131 MILAN,ITALY
[3] UNIV MILAN,DIPARTIMENTO CHIM ORGAN & IND,I-20133 MILAN,ITALY
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A three-step synthesis of trifluoromethyl-substituted isoxazolidino[4,3-c]-chroman-4-ones and -quinolin-4-ones is described, where the key feature is an intramolecular 1,3-dipolar cycloaddition of C-aryl-N-benzylnitrones bearing a trifluoromethyl-substituted alkene function.
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页码:282 / 283
页数:2
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