Convenient synthesis of 4-amino-7-(dialkylamino)pyrido[2,3-<i>d</i>]pyrimidines from polysubstituted pyridines
作者:Maria Teresa Cocco、Cenzo Congiu、Antonio Maccioni、Valentina Onnis
DOI:10.1002/jhet.5570300143
日期:1993.1
A convenient synthesis of 4-amino-7-(dialkylamino)pyrido[2,3-d]pyrimidines via cyclization of functionalized pyridines is reported. The preparation of the starting pyridines from 3-amino-3-(dialkylaraino)propene-nitriles and ethoxymethylenemalononitrile is described.
据报道,通过官能化吡啶的环化,可以方便地合成4-氨基-7-(二烷基氨基)吡啶并[2,3- d ]嘧啶。描述了由3-氨基-3-(二烷基芳基)丙烯腈和乙氧基亚甲基丙二腈制备起始吡啶的方法。