METAL CATALYSIS IN ORGANIC-REACTIONS .8. ALKYLATIVE DIMERIZATION OF 1-ALKYNES INDUCED BY TRIS(ACETYLACETONATO)MANGANESE-TRIALKYLALANE SYSTEMS

被引：9

作者：

CAPORUSSO, AM ^{[1
]}

GIACOMELLI, G ^{[1
]}

LARDICCI, L ^{[1
]}

机构：

[1] UNIV PISA,FAC SCI MFN,IST CHIM ORGAN,I-56100 PISA,ITALY

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1979年 / 44卷 / 09期

关键词：

D O I：

10.1021/jo01323a028

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The reaction between trialkylalanes and terminal alkynes in the presence of manganese complexes has been investigated under various conditions. At room temperature, the Mn(acac)3-catalyzed reaction between triisobutylaluminum and 1-alkynes affords (£, E)-1-isobutyl-2, 4-dialkyl-1, 3-butadienes, whose yields depend on the structure of the 1-alkyne used and on the experimental conditions. Using (S)-3-methyl-1-pentyne, the reaction was observed to occur without significant racemization. The preparative aspect of this manganese-induced process is discussed together with a mechanistic approach. © 1979, American Chemical Society. All rights reserved.

引用

页码：1496 / 1501

页数：6

共 26 条

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[J]. TETRAHEDRON, 1978, 34 (13) : 2015 - 2020

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