4-MEMBERED AND 5-MEMBERED PHOSPHORUS-HETEROCYCLES .36. 1,3-DIPOLAR CYCLOADDITIONS TO AZAPHOSPHOLES AND AZAPHOSPHOLINES

被引：10

作者：

SCHMIDPETER, A

CRIEGERN, TV

机构：

[1] Institut für Anorganische Chemie der Universität München, München, D-8000

来源：

CHEMISCHE BERICHTE-RECUEIL | 1979年 / 112卷 / 10期

关键词：

D O I：

10.1002/cber.19791121014

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Anders als acyclische Phosphanimide geben die zum Fünfring geschlossenen Azaphosphole (1) und Azaphospholine (4) mit Arylnitriloxiden, Diphenylnitrilimin und Nitronen stabile, kristallin isolierbare [3 + 2]‐Cycloaddukte (3, 5, 8, 9, 11). Der Brückenkopfeinbau des Phosphors in das Bicyclooctangerüst der Addukte begünstigt seine Pentakoordination und damit die Adduktstabilität; spektroskopische Befunde sprechen für die meridionale Anordnung des Bicyclus. Bezüglich der 1.3‐Dipole ist die Cycloaddition in gewohnter Weise,. bezüglich der Phosphorsubstituenten Me > Ph > Nme2 abgestuft. Die Addukte des 3,4‐Dihydroisochinolin‐N‐oxids (11f, g) dissoziieren in Lösung reversibel in die Komponenten. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：3472 / 3479

页数：8

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