[C:1]([OH:7])([C:3]([F:6])([F:5])[F:4])=[O:2].C(OC([N:15]1[CH2:18][CH:17]([NH:19][C:20](=[O:36])[CH2:21][NH:22][C:23](=[O:35])[C:24]2[CH:29]=[C:28]([C:30]([F:33])([F:32])[F:31])[CH:27]=[CH:26][C:25]=2[Cl:34])[CH2:16]1)=O)(C)(C)C>>[OH:7][C:1]([C:3]([F:6])([F:5])[F:4])=[O:2].[NH:15]1[CH2:18][CH:17]([NH:19][C:20]([CH2:21][NH:22][C:23](=[O:35])[C:24]2[CH:29]=[C:28]([C:30]([F:33])([F:31])[F:32])[CH:27]=[CH:26][C:25]=2[Cl:34])=[O:36])[CH2:16]1The title compound was prepared as colorless oil from TFA de-protection of 3-[2-(2-chloro-5-trifluoromethyl-benzoylamino)-acetylamino]-azetidine-1-carboxylic acid tert-butylester using the procedure described in Step D of Example 1.
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