(S)-tert-butyl 2-((2-chloro-5-(trifluoromethyl)pyridin-4-ylamino)methyl)morpholine-4-carboxylate 、
2-氨基-5-氰基吡嗪 在
2-氨基-5-氰基吡嗪 作用下,
以57的产率得到(S)-tert-butyl 2-((2-(5-cyanopyrazin-2-ylamino)-5-(trifluoromethyl)pyridin-4-ylamino)methyl)morpholine-4-carboxylate