作者:Carine Guérot、Boris H. Tchitchanov、Henner Knust、Erick M. Carreira
DOI:10.1021/ol103050c
日期:2011.2.18
The syntheses of a variety of novel angular azaspiro[3.3]heptanes are reported. gem-Difluoro and gem-dimethyl variants of the angular 1,6-diazaspiro[3.3]heptane module were prepared in high yields using efficient sequences. Additionally, a practical one-pot synthesis of 5-oxo-2-azaspiro[3.3]heptanes and subsequent conversions into functionalized derivatives are described. The methods reported are amenable
报道了多种新颖的角形氮杂氮杂[3.3]庚烷的合成。宝石二氟和宝石角1,6-二氮杂螺-二甲基变体[3.3]庚烷模块以高产率采用高效序列制备。另外,描述了一种实际的一锅合成5-氧代-2-氮杂螺并[3.3]庚烷以及随后转化为官能化衍生物的方法。报道的方法适合作为库成员或以制备规模合成用于药物发现的这些构件。