(R)-tert-butyl 4-((tert-butoxycarbonylamino)methyl)-1-(5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)spiro[indoline-3,4'-piperidine]-1'-carboxylate 在
N-氯代丁二酰亚胺 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以63%的产率得到(R)-tert-butyl 4-((tert-butoxycarbonylamino)methyl)-5-chloro-1-(5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)spiro[indoline-3,4'-piperidine]-1'-carboxylate