Asymmetric diels-alder reactions of (E)-1-phenylsulfonyl-3-penten -2-one with open ring diene catalyzed by a chiral titanium reagent

Chin. J. Org. Chem. ›› 2002, Vol. 22 ›› Issue (11): 922-925. Previous Articles Next Articles

α’-苯磺酰基-α，β-不饱和酮与开链二烯烃的不对称催化环加成反应

孙莉;裴文

浙江工业大学化学工程学院,杭州(310014)

发布日期:2002-11-25

Asymmetric diels-alder reactions of (E)-1-phenylsulfonyl-3-penten -2-one with open ring diene catalyzed by a chiral titanium reagent

Sun Li;Pei Wen

College of Chemical Engineering, Zhejiang University of Technology, hangzhou(310014)

Published:2002-11-25

Abstract

Asymmetric Diels-Alder reactions of (E)-1-phenylsulfonyl-3-pentene- 2-one with open ring diene were investigated in the presence of a chiral titanium catalyst. The enantioselectivity and reactivity were discussed in the asymmetric Diels-Alder reactions of (E)-1- phenylsulfonyl-3-penten-2-one with open ring diene. 4- Phenylsulfonylacetylcyclohexene derivatives were prepared in high yield with high optical purity. The absolute configuration of the cycloadducts was determined as well.

Key words: ASYMMETRY;CYCLOADDITION REACTION;DIENE;ENANTIOMORPH;SELECTIVITY, BENZENE;SULFONYL GROUP;DEGREE OF UNSATURATION;KETONE;TITANIUM, CATALYST;CYCLOHEXENE;DERIVATIVES

CLC Number:

O643
O621

Cite this article

Sun Li;Pei Wen. Asymmetric diels-alder reactions of (E)-1-phenylsulfonyl-3-penten -2-one with open ring diene catalyzed by a chiral titanium reagent[J]. Chin. J. Org. Chem., 2002, 22(11): 922-925.

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α’-苯磺酰基-α，β-不饱和酮与开链二烯烃的不对称催化环加成反应

Asymmetric diels-alder reactions of (E)-1-phenylsulfonyl-3-penten -2-one with open ring diene catalyzed by a chiral titanium reagent

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