Synthesis of 2-(buta-1,3-diynyl)-N,N-dimethylanilines using reductive methylation step

被引:4
|
作者
Kulyashova, Alexandra E. [1 ]
Mikheeva, Elena V. [1 ]
Danilkina, Natalia A. [1 ]
Balova, Irina A. [1 ]
机构
[1] St Petersburg State Univ, Inst Chem, St Petersburg 198504, Russia
关键词
ELECTROPHILIC CYCLIZATION; ACETYLENE ZIPPER; INDOLE; HETEROCYCLES; SYSTEMS;
D O I
10.1016/j.mencom.2014.03.013
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Synthesis of 2-(buta-1,3-diynyl)-N,N-dimethylanilines based on reductive methylation of ortho-iodoanilines using CH2O-NaBH3CN and coupling with terminal diacetylens was developed. Altered sequence including dimethylation of 2-(buta-1,3-diynyl)anilines was also successfully achieved and gave higher overall yields in the case of anilines without acceptor substituent in the ring.
引用
收藏
页码:102 / 104
页数:3
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