(2E)-3-[4-({9-[(2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)methyl]-3,9-diazaspiro[5.5]undec-3-yl}carbonyl)pyridin-3-yl]acrylamide 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
以62%的产率得到3-[4-({9-[(2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)methyl]-3,9-diazaspiro[5.5]undec-3-yl}carbonyl)pyridin-3-yl]propanamide