{5-[(3-isopropyl-5-trifluoromethyl-benzenesulfonyl)-methyl-amino]-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy}-acetic acid tert-butyl ester 、
单水氢氧化锂 以to give {5-[(3-isopropyl-5-trifluoromethyl-benzenesulfonyl)-methyl-amino]-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy}-acetic acid (60 mg, 65%) as a pale yellow solid的产率得到{5-[(3-isopropyl-5-trifluoromethyl-benzenesulfonyl)-methyl-amino]-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy}-acetic acid