Synthesis of 1-Arylmethyl-2-(cyanomethyl)aziridines and Their Ring Transformation into Methyl <i>N</i>-(2-Cyanocyclopropyl)benzimidates
作者:Matthias D'hooghe、Sven Mangelinckx、Evelien Persyn、Willem Van Brabandt、Norbert De Kimpe
DOI:10.1021/jo060425p
日期:2006.5.1
α-dichlorobenzyl)amino)butanenitriles with sodium methoxide in methanol resulted in novel methyl N-(2-chloro-1-(cyanomethyl)ethyl)benzimidates, although in low yields. The latter γ-chloro nitriles were smoothly converted into methyl N-(2-cyanocyclopropyl)benzimidates as precursors of biologically relevant β-ACC derivatives through a 1,3-cyclization protocol by reaction with potassium tert-butoxide in THF
在DMSO中用氰化钾处理后,可以由相应的2-(溴甲基)氮丙啶高产率地制备1-芳基甲基-2-(氰基甲基)氮丙啶。在CCl 4中用N-氯琥珀酰亚胺将氮丙啶部分开环,然后在甲醇中用甲醇钠处理由此形成的4-氯-3-(N-氯-N-(α,α-二氯苄基)氨基)丁腈。新颖甲基ñ - (2-氯-1-(氰基甲基)乙基)benzimidates,虽然在低的产率。后者的γ-氯腈通过与钾反应的1,3-环化方案被平滑地转化为N-(2-氰基环丙基)苯并亚甲基丙烯酸酯作为生物相关的β-ACC衍生物的前体在THF中的叔丁醇盐。