A convenient synthetic route to 2-aryl-N-tosylazetidines and their ZnX2 (X=I, OTf) mediated regioselective nucleophilic ring opening reactions: synthesis of γ-iodoamines and tetrahydropyrimidines
作者:Manas K. Ghorai、Kalpataru Das、Amit Kumar、Animesh Das
DOI:10.1016/j.tetlet.2006.05.058
日期:2006.7
general and convenient synthetic route to various 2-aryl-N-tosylazetidines has been described. Their ZnX2 (X = I, OTf) mediated nucleophilic ring opening with halides and [4+2] cycloaddition reactions with various nitriles have been achieved to afford γ-iodoamines and substituted tetrahydropyrimidines, respectively, in good to excellent yields. A mechanism for the cycloaddition reaction is proposed
已经描述了制备各种2-芳基-N-甲苯磺酰基氮杂环丁烷的通用且方便的合成途径。已经实现了它们的ZnX 2(X = I,OTf)介导的与卤化物的亲核开环和与各种腈的[4 + 2]环加成反应,分别以良好或优异的收率提供了γ-碘胺和取代的四氢嘧啶。提出了环加成反应的机理。