An unusual rearrangement of N,N-dibenzyl-2-aminopropanal to N,N-dibenzyl-1-aminopropanone.

被引:7
作者
Adia, M [1 ]
Henaff, N [1 ]
Whiting, A [1 ]
机构
[1] UMIST,DEPT CHEM,MANCHESTER M60 1QD,LANCS,ENGLAND
关键词
D O I
10.1016/S0040-4039(97)00555-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
N,N-dibenzyl-2-aminopropanal la derived from alanine rearranges to the corresponding ketone, N,N-dibenzyl-1-aminopropanone upon exposure to either silica gel or pyridinium acetate. Similar rearrangements do not occur with aldehydes derived from phenylalinine, valine, leucine, proline or phenylglycine. One mechanistic explanation for the rearrangement is a facile 1,2-methyl shift, followed by 12-hydrogen shift. (C) 1997 Elsevier Science Ltd.
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页码:3101 / 3102
页数:2
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