5-allyloxy-4-(allyl-phenyl-amino)-4'-methoxy-3-methyl-biphenyl-2-carboxylic acid ethyl ester 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以80%的产率得到9-(4-methoxy-phenyl)-7-methyl-6-phenyl-5,6-dihydro-2H-benzo[b][1,4]oxazocine-8-carboxylic acid ethyl ester