7-Chlor-5-methoxycarboxyl-pyrazolo<1,5-a>pyrimidin 、
1-(S)-amino-4-methylindan-5-carboxylic acid tert-butyl ester 在
SiO2 、
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.17h,
以to give methyl 7-((S)-5-(tert-butoxycarbonyl)-2,3-dihydro-4-methyl-1H-inden-1-ylamino)pyrazolo[1,5-a]pyrimidine-5-carboxylate (70 mg, 61% yield, [MH]+=423.1)的产率得到methyl 7-((S)-5-(tert-butoxycarbonyl)-2,3-dihydro-4-methyl-1H-inden-1-ylamino)pyrazolo[1,5-a]pyrimidine-5-carboxylate