THE REACTION OF THE DIANION OF BETA-ENAMINOKETONES WITH ELECTROPHILES .6. SYNTHESIS OF GAMMA'-NITRO-BETA-ENAMINOKETONE AND EPSILON-NITRO-BETA-ENAMINOKETONE

被引：12

作者：

BARTOLI, G

BOSCO, M

DALPOZZO, R

DENINO, A

PALMIERI, G

机构：

[1] UNIV CALABRIA,DIPARTIMENTO CHIM,I-87030 ARCAVACATA,ITALY

[2] DIPARTIMENTO CHIM ORGAN A MANGINI,I-40136 BOLOGNA,ITALY

[3] DIPARTIMENTO SCI CHIM,I-62032 CAMERINO,ITALY

来源：

TETRAHEDRON | 1994年 / 50卷 / 32期

关键词：

D O I：

10.1016/S0040-4020(01)85548-4

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

alpha'- And gamma-dianions of acyclic beta-(monoalkylamino)-alpha,beta-unsaturated ketones can attack the double bond of nitroalkenes affording gamma'- and epsilon-nitro-beta-enaminoketones in good to high yields. In contrast to the corresponding 1,3-dicarbonyl dianions, cyclic products from intramolecular Henry reactions are never observed. Quenching the reaction with sulphuric acid epsilon-nitro-beta-enaminoketones are converted in low yields into dihydropyrroles.

引用

收藏

页码：9831 / 9836

页数：6

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