4-(8-Dimethylamino-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydro-pteridin-2-ylamino)-3-methoxy-benzoic acid 、
(1-乙基-4-哌啶基)甲胺 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以44%的产率得到4-(8-Dimethylamino-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydro-pteridin-2-ylamino)-N-(1-ethyl-piperidin-4-ylmethyl)-3-methoxy-benzamide