A NOVEL AND SIMPLE METHOD FOR THE PREPARATION OF IMINIUM SALTS

被引：19
|
作者：
JAHN, U [1 ]
SCHROTH, W [1 ]
机构：
[1] MARTIN LUTHER UNIV HALLE WITTENBERG,INST ORGAN CHEM,D-06099 HALLE,GERMANY
来源：
TETRAHEDRON LETTERS | 1993年 / 34卷 / 37期
关键词：
D O I：
10.1016/S0040-4039(00)73799-3
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Alpha-Chloroethers such as chloromethyl alkyl ethers or 1,3,3-trichloro-1-isobutoxyprop-2-enc react with trimethylsilyl-N,N-dialkylamines to give the Mannich-reagent and new 3,3-dichloroprop-2-en-1-ylidene-N,N-dialkyliminium chlorides (vinylogous Viehe-reagents), respectively. Extension of this method leads to the reagent system trimethylsilyl-N,N-dialkylamine/trimethylsilylchloride or -triflate, which allows the direct conversion of carbonyl compounds into iminium salts.
引用
收藏
页码：5863 / 5866
页数：4
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