Microwave Assisted Tandem Heck–Sonogashira Reactions of <i>N,N</i>-Di-Boc-Protected 6-Amino-5-iodo-2-methyl Pyrimidin-4-ol in An Efficient Approach to Functionalized Pyrido[2,3-<i>d</i>]Pyrimidines
作者:Yang Liu、Shiyu Jin、Zi Wang、Linhua Song、Youhong Hu
DOI:10.1021/ol501459e
日期:2014.7.3
A microwave assisted tandem Heck–Sonogashira cross-coupling reaction between 6-N,N-di-Boc-amino-5-iodo-2-methyl pyrimidin-4-ol and various aryl alkynyl substrates has been developed. This process generates novel 5-enynyl substituted pyrimidines, which can be transformed to novel functionalized pyrido[2,3-d]pyrimidines by way of a silver catalyzed cyclization reaction.
已开发了6- N,N -N-二-Boc-氨基-5-碘-2-甲基嘧啶-4-醇与各种芳基炔基的微波辅助串联Heck-Sonogashira交叉偶联反应。该过程产生新的5-烯丙基取代的嘧啶,其可以通过银催化的环化反应转化为新颖的官能化的吡啶并[2,3- d ]嘧啶。