Synthesis of novel amino squaric acids via addition of dianion enolates derived from N-Boc amino acid esters
作者:Toshikazu Ishida、Tetsuro Shinada、Yasufumi Ohfune
DOI:10.1016/j.tetlet.2004.11.044
日期:2005.1
Novel α-amino squaric acid analogs were synthesized by initial addition reaction of a dianion enolate generated from N-Boc amino acid tert-butyl ester to squaric acid diisopropyl ester, and subsequent decarboxylation of the resulting carboxylic acid moiety.
通过使由N- Boc
氨基酸叔丁酯生成的二价阴离子烯酸酯与
方酸二异
丙酯进行初始加成反应,然后使所得
羧酸部分脱羧,来合成新型α-
氨基
方酸类似物。