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
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收藏
页码：3472 / 3479
页数：8
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