[F:1][C:2]1[CH:3]=[C:4]([CH2:9][C:10]([NH:12][C@H:13]([C:15]([OH:17])=O)[CH3:14])=[O:11])[CH:5]=[C:6]([F:8])[CH:7]=1.[NH2:18][CH:19]1[N:25]=[C:24]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[C:23]2[CH:32]=[CH:33][CH:34]=[CH:35][C:22]=2[N:21]([CH2:36][CH3:37])[C:20]1=[O:38]>>[F:8][C:6]1[CH:5]=[C:4]([CH2:9][C:10]([NH:12][C@H:13]([C:15]([NH:18][CH:19]2[N:25]=[C:24]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=3)[C:23]3[CH:32]=[CH:33][CH:34]=[CH:35][C:22]=3[N:21]([CH2:36][CH3:37])[C:20]2=[O:38])=[O:17])[CH3:14])=[O:11])[CH:3]=[C:2]([F:1])[CH:7]=1Following General Procedure A above using N-(3,5-difluorophenylacetyl)-L-alanine (Example B) and 3-amino-2,3-dihydro-1-ethyl-5-phenyl-1H-1,4-benzodiazepin-2-one (prepared as described in Example 8-X using ethyl iodide), the title compound was prepared as a solid having a melting point of 155–158° C. The reaction was monitored by tlc on silica gel (Rf=0.48 in 10% methanol/dichloromethane) and purification was by silica gel chromatography using 10% methanol/dichloromethane as the eluant, followed by recrystallization from diethyl ether.
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