1-(2-chloro-3,6-difluoro-benzyl)-7-iodo-1,2,3,4-tetrahydro-pyrido[2,3-b]pyrazine 、
2-吗啡啉基-3-氯吡啶-4-硼酸嚬哪醇酯 以to give the title compound as a tan foam (49% yield)的产率得到1-(2-chloro-3,6-difluorobenzyl)-7-(3-chloro-2-morpholin-4-yl-pyridin-4-yl)-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine