Studies on the aromatization on reaction viaβ,β-(1,4- butylenedithio)-α,β-unsaturated ketones

Abstract

In order to study the chemical properties of α-oxo ketene dithioacetals with different acetal groups, some reactions on title compounds were studied. As α-oxo ketene dimethylthio acetals (1), 2-(1,4-butylenedithio) methylene cyclo hexanone (2c1) reacted with allyl and methallyl Grignard reagents in 1,2-addition manner; but in sequential 1,4,-, 1,2-addition manner with benzylmagnesium chloride. Catalized by BF~3·Et~2O, all these adducts were converted to the corresponding aromatization products.

Key words: GRIGNARD REAGENT, ADDITION REACTION

CLC Number:

O621

Cite this article

HUANG HUI;LIU QUN;ZHANG CHANGSHAN. Studies on the aromatization on reaction viaβ,β-(1,4- butylenedithio)-α,β-unsaturated ketones[J]. Chin. J. Org. Chem., 1994, 14(5): 531-536.

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经由β,β-(1,4-亚丁二硫基)-α,β-不饱和酮的芳构化反应