UNIQUE TEMPLATE EFFECTS OF DISTANNOXANE CATALYSTS IN TRANSESTERIFICATION OF DIOL ESTERS

被引：29

作者：

OTERA, J

DANOH, N

NOZAKI, H

机构：

[1] Department of Applied Chemistry, Okayama University of Science, Okayama, 700, Ridai-cho

来源：

TETRAHEDRON | 1993年 / 49卷 / 15期

关键词：

D O I：

10.1016/S0040-4020(01)89888-4

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

1,n-Diol diacetates (n = 2,3,4) are selectively converted into the corresponding monoacetates by distannoxane-catalyzed transesterification. Such unique selectivity is not encountered with 1,n-diol diacetates where n greater-than-or-equal-to 5. A great difference in reactivity is also seen in the transesterifiaction between methyl butyrate and l,n-diol monoacetates: the ethylene glycol derivative sluggishly undergoes transesterification whereas higher homologs react smoothly. The unique template effects of the catalysts are discussed in terms of cooperation of two different tin atoms which are located in the proximity.

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页码：3065 / 3074

页数：10

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