(trans)-3-(quinolin-8-yloxy)cyclobutanecarboxylic acid 、
4-cyclopropyloxazol-2-amine 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以43 %的产率得到(trans)-N-(4-cyclopropyloxazol-2-yl)-3-(quinolin-8-yloxy)cyclobutanecarboxamide