Selective Intermolecular [2+2] Cycloaddition Reaction Using Platinum(II) Catalyst with Hollow-shaped Triethynylphosphine

被引：15

作者：

Ebisawa, Masaru ^{[1
]}

Kusama, Hiroyuki ^{[1
]}

Iwasawa, Nobuharu ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Chem, Meguro Ku, Tokyo 1528551, Japan

来源：

CHEMISTRY LETTERS | 2012年 / 41卷 / 08期

关键词：

FUSED BICYCLIC COMPOUNDS; BULKY END CAPS; GOLD CATALYSIS; INTRAMOLECULAR CYCLIZATIONS; 7-EXO-DIG CYCLIZATION; ENOL ETHERS; ALLENES; ALLENYNES; ALKENES; CONSTRUCTION;

D O I：

10.1246/cl.2012.786

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Intermolecular [2 + 2] cycloaddition reaction of an allenyl silyl ether with vinyl ethers was realized on the basis of electrophilic activation of the allene by the platinum phosphine catalyst, affording the corresponding methylenecyclobutanes in good yield. The use of the bulky trialkynylphosphine as a ligand was indispensable to achieve highly selective [2 + 2] cycloaddition.

引用

页码：786 / 788

页数：3

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