Role if electron donors on the selective hydrogenation of conjugated dienes or alkyne

Acta Chimica Sinica ›› 1993, Vol. 51 ›› Issue (5): 490-495. Previous Articles Next Articles

Original Articles

给电子试剂在共轭二烯或炔烃催化选择加氢中的作用

张同生;徐筠;廖世健

中国科学院大连化学物理研究所;中国科学院上海有机化学研究所;中国科学院金属有机化学开放实验室

发布日期:1993-05-15

Role if electron donors on the selective hydrogenation of conjugated dienes or alkyne

ZHANG TONGSHENG;XU YUN;LIAO SHIJIAN

Published:1993-05-15

Abstract

In the selective hydrogenation of cyclopentadiene, isoprene or tert-butylacetylene using heterogenized homogeneous catalyst, the high selectivity of monoene formation only appears in a very short time interval. The addition of suitable electron donors such as N2H4, a,a'-dipyridine, ethylenediamine, PPh3 etc. can decrease or even cease the monoene hydrogenation and thereby keep the high monoene selectivity after reaching its max.

Key words: CYCLOPENTADIENE, TRIPHENYLPHOSPHINE, CONJUGATED DOUBLE BOND COMPOUNDS, ETHANEDIAMINE, ISOPRENE, HYDRAZINE, ACETYLENE P, BIPYRIDINE, PALLADIUM CHLORIDE, TRIETHYL AMINE

CLC Number:

O643

Cite this article

ZHANG TONGSHENG;XU YUN;LIAO SHIJIAN. Role if electron donors on the selective hydrogenation of conjugated dienes or alkyne[J]. Acta Chimica Sinica, 1993, 51(5): 490-495.

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给电子试剂在共轭二烯或炔烃催化选择加氢中的作用

Role if electron donors on the selective hydrogenation of conjugated dienes or alkyne

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