Rapid ruthenium-catalyzed synthesis of pyranopyrandiones by reconstructive carbonylation of cyclopropenones involving C-C bond cleavage

被引：97

作者：

Kondo, T ^{[1
]}

Kaneko, Y ^{[1
]}

Taguchi, Y ^{[1
]}

Nakamura, A ^{[1
]}

Okada, T ^{[1
]}

Shiotsuki, M ^{[1
]}

Ura, Y ^{[1
]}

Wada, K ^{[1
]}

Mitsudo, T ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Sakyo Ku, Kyoto 6068501, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2002年 / 124卷 / 24期

关键词：

D O I：

10.1021/ja0260521

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pyranopyrandiones were prepared by a novel ruthenium-catalyzed carbonylative dimerization of cyclopropenones via C-C bond cleavage. For example, treatment of dipropylcyclopropenone with a catalytic amount of Ru3(CO)12 and NEt3 in THF under 15 atm of carbon monoxide at 140 °C for 20 h gave a novel functional monomer, 3, 4, 7, 8-tetrapropylpyrano[6, 5-e]pyran-2, 6-dione, in an isolated yield of 81%. Unsymmetrically substituted pyranopyrandiones were also obtained by ruthenium-catalyzed carbonylative coupling of cyclopropenones with alkynes under similar reaction conditions. Copyright © 2002 American Chemical Society.

引用

页码：6824 / 6825

页数：2

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