反应详情

Prepared by the same method as described in example 1 except that (i) steps A, B and C were omitted; (ii) 1-(4-bromo-3-fluoro-phenyl)-propan-1-one was used in place of 1-(2-fluoro-4-iodo-phenyl)-ethanone in step 21-D; (iii) (S)-2-tert-butoxycarbonylamino-3-phenyl-propionic acid was used in place of (2S,3S)-2-tert-butoxycarbonylamino-3-phenyl-butyric acid in step 21-E; and (iv) chlorination of the 5-position of the imidazole ring with N-chlorosuccinimide in step 21-F was omitted. 1-(4-Bromo-3-fluoro-phenyl)-propan-1-one was prepared as described in example 6 for the preparation of 1-(4-bromo-2-chloro-phenyl)-ethanone except that 4-bromo-3-fluorobenzoic acid was used in place of 4-bromo-2-chlorobenzoic acid in step 21-I. HR-MS: calcd for C28H24BrFN4O4 [M+H+] 579.1038. Found 579.1038.

1. customPrepared by the same method