New fragmentation and rearrangement reactions of the azetidine ring promoted by AlEt2Cl

被引:10
作者
Alcaide, B [1 ]
Salgado, NR [1 ]
Sierra, MA [1 ]
机构
[1] Univ Complutense Madrid, Fac Quim, Dept Quim Organ 1, E-28040 Madrid, Spain
关键词
D O I
10.1016/S0040-4039(97)10577-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Azetidines 6 prepared by AlH2Cl reduction of easily available beta-lactams 5 react with AlEt2Cl in CH2Cl2 solution at room temperature to yield, through new fragmentation or rearrangement reactions of the azetidine ring, either, olefins 7 or bicyclic fused pyrrolidines 8,depending on the nature of the group bonded to C2 of the four membered ring. (C) 1997 Elsevier Science Ltd. All rights reserved.
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页码:467 / 470
页数:4
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