1,4-dihydro-4-(3-isocyanatophenyl)-2,6-dimethyl-3,5-pyridinedicarboxylic acid dimethyl ester 以
二氯甲烷 为溶剂,
以65%的产率得到1,4Dihydro-2,6-dimethyl-4-[3-[[[[3-[4-[3-(2-propynyloxy)phenyl]-1-piperidinyl]-propyl]amino]carbonyl]amino]phenyl]-3,5-pyridinedicarboxylic acid dimethyl ester