Cascade Reactions Forming Highly Substituted, Conjugated Phospholes and 1,2-Oxaphospholes

被引：20

作者：

Arkhypchuk, Anna I. ^{[1
]}

Santoni, Marie-Pierre ^{[1
]}

Ott, Sascha ^{[1
]}

机构：

[1] Uppsala Univ, Dept Chem, Angstrom Labs, S-75120 Uppsala, Sweden

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 31期

基金：

瑞典研究理事会;

关键词：

acetylenes; conjugation; cumulenes; phospha-Wittig; reaction mechanisms; PHOSPHAALKENES; BONDS; DERIVATIVES; POLYMERS; POLYYNES; FAMILY;

D O I：

10.1002/anie.201202153

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

More than just a carbon copy: The reaction of a phospha-Wittig-Horner reagent with diacetylenic ketones (see scheme) results in a cascade of reactions that can lead to both an oxaphosphole-terminated cumulene system and an alkene-bridged bis-phosphole. The reaction outcome is determined by the nature of the acetylene termini, with phenyl groups stabilizing a carbene intermediate that dimerizes to give the bis-phosphole product. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：7776 / 7780

页数：5

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