Concomitant ring contraction cyclization strategy for the synthesis of novel 4-oxo-4,5-dihydro-pyrroloquinolines
作者:Gabriel Thia Manh、Hicham Bakkali、Lucie Maingot、Muriel Pipelier、Uday Joshi、Jean Paul Pradère、Stéphane Sabelle、Remy Tuloup、Didier Dubreuil
DOI:10.1016/j.tetlet.2004.05.115
日期:2004.7
The synthesis of novel substituted pyrroloquinolinones is described by concomitant ring contraction cyclization form 2-(2-amino-5-nitro-phenyl)-[4H]-1,3-thiazines, which were derived from N-substituted 5-nitro-anthranilonitrile. An easy access to novel 4-thiono-1,4-dihydro-1,3-quinazoline heterocycles is also mentioned.
新型的取代的吡咯并喹啉酮的合成是通过2-(2-氨基-5-硝基-苯基)-[4 H ] -1,3-噻嗪的同时环收缩环化来描述的,它们衍生自N-取代的5-硝基-蒽腈。还提到了容易获得的新型4-硫代-1,4-二氢-1,3-喹唑啉杂环。