[5-(3-methanesulfonyl-5-trifluoromethyl-benzenesulfonylamino)-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy]-acetic acid tert-butyl ester 、
碘甲烷 、
potassium carbonate 以
N,N-二甲基甲酰胺 为溶剂,
以to give {5-[(3-methanesulfonyl-5-trifluoromethyl-benzenesulfonyl)-methyl-amino]-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy}-acetic acid tert-butyl ester (80 mg, 98%)的产率得到{5-[(3-methanesulfonyl-5-trifluoromethyl-benzenesulfonyl)-methyl-amino]-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy}-acetic acid tert-butyl ester