THE CONVERSION OF VINYL TRIFLATES INTO GAMMA'-HYDROXY-ALPHA,BETA-ENONES

被引:43
作者
ARCADI, A
CACCHI, S
MARINELLI, F
机构
[1] UNIV LAQUILA,DIPARTIMENTO CHIM INGN CHIM & MAT,V ASSERGI 4,I-67100 LAQUILA,ITALY
[2] UNIV ROMA LA SAPIENZA,DIPARTIMENTO STUDI CHIM & TECNOL SOSTANZE BIOL ATT,I-00185 ROME,ITALY
关键词
D O I
10.1016/S0040-4020(01)80412-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Vinyl triflates have been converted into gamma'-hydroxy-alpha,beta-enones through their palladium-catalysed coupling with 1-butyn-4-ols followed by the reaction of the obtained 1-hydroxy-3-yn-5-enes in an acidic CH2Cl2/3 N HCl two-phase system in the presence of the n-BuN4Cl/PdCl2 combination. Both the coupling step and the conversion of the carbon-carbon triple bond into the ketonic group have been performed at room temperature. The conversion of vinyl triflates into gamma'-hydroxy-alpha,beta-enones can be carried out through a one-flask process, without the isolation of 1-hydroxy-3-yn-5-enes.
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页码:4955 / 4964
页数:10
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