ORGANIC SYNTHESES VIA TRANSITION-METAL COMPLEXES .47. 1-CHROMA-1,3-DIENES BY AMINOALKENYLATION OF METHYLCARBENE CHROMIUM COMPLEXES WITH SECONDARY AMIDES

被引:34
作者
AUMANN, R
HINTERDING, P
机构
[1] Organisch-Chemisches Institut, Universität Münster, Münster, D-4400
关键词
(β‐NH‐Aminoalkenyl)carbene chromium complexes; 1‐Chroma‐1,3‐dienes; Methylcarbene complexes; aminoalkenylation of; condensation with secondary amides;
D O I
10.1002/cber.19901231016
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Organic Syntheses via Transition Metal Complexes, 47. — 1‐Chroma‐1,3‐dienes by Aminoalkenylation of Methylcarbene Chromium Complexes with Secondary Amides 4‐(NH‐Amino)‐1‐chroma‐1,3‐dienes [= β‐(NH‐Amino)alkenylcarbene chromium complexes] (CO)5CrC(OEt)CHC‐(NHMe)R (Z)‐6 (R  Me, Et, iPr, tBu, Ph) have been obtained with high stereoselectivity in 53–69% yields by the aminoalkenylation of (CO)5CrC(OEt)Me (1a) with secondary amides OC(NHMe)R (5, R  Me, Et, iPr, tBu, Ph) in the presence of POCl3/Et3N. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
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页码:2047 / 2051
页数:5
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