First functionalization by metallation of the benzene moiety of quinazolines. Diazines XIX
作者:Nelly Plé、Alain Turck、Valérie Chapoulaud、Guy Quéguiner
DOI:10.1016/s0040-4020(97)00046-x
日期:1997.2
The first lithiation on the benzene moiety of 4-substituted quinazolines has been highlighted. According to the nature and position of various directing groups, an exceptional regioselective metallation occured at position C8, peri to the N-1 ring nitrogen. This method allows an easy access to a large range of new substituted quinazolines.
已经强调了在4-取代的喹唑啉的苯部分上的第一次锂化。根据各种定向基团的性质和位置,一个特殊的区域选择性金属化发生在位置C 8,迫到N-1的环氮。这种方法可以轻松获得大量新的取代喹唑啉。