A 1,6-DIPHOSPHA-1,2,4,5-HEXATETRAENE, SYNTHESIS AND RING-CLOSURE REACTIONS TO CYCLOBUTENES

被引:50
作者
MARKL, G [1 ]
KREITMEIER, P [1 ]
NOTH, H [1 ]
POLBORN, K [1 ]
机构
[1] UNIV MUNICH,INST ANORGAN CHEM,W-8000 MUNICH 2,GERMANY
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1990年 / 29卷 / 08期
关键词
D O I
10.1002/anie.199009271
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
By oxidative coupling of the lithiated allene 1, the title compound 2 is formed in several stereoisomeric forms. One of them cyclizes rapidly in a conrotatory ring closure to give 3, another cyclizes slowly to give 4, which was characterized by an X‐ray structure analysis. Aryl = 2,4,6‐tBu3C6H2. (Figure Presented.) Copyright © 1990 by VCH Verlagsgesellschaft mbH, Germany
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页码:927 / 929
页数:3
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