Synthesis of enol and vinyl esters catalyzed by an iridium complex

被引：68

作者：

Nakagawa, H ^{[1
]}

Okimoto, Y ^{[1
]}

Sakaguchi, S ^{[1
]}

Ishii, Y ^{[1
]}

机构：

[1] Kansai Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5648680, Japan

来源：

TETRAHEDRON LETTERS | 2003年 / 44卷 / 01期

关键词：

iridium; enol ether; vinyl ether; alkyne; carboxylic acid; vinyl acetate;

D O I：

10.1016/S0040-4039(02)02451-6

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Enol and vinyl esters were successfully synthesized by the use of an iridium complex as a catalyst. The reaction of carboxylic acid with terminal alkynes in the presence of catalytic amounts of [Ir(cod)Cl](2) and Na2CO3 gave the corresponding I-alkenyl esters. The addition of carboxylic acids to alkynes principally took place in the Markovnikov fashion. In addition, by the use of an Ir complex combined with NaOAc various vinyl esters were prepared through the transvinylation between carboxylic acids and vinyl acetate. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：103 / 106

页数：4

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