反应详情

Prepared by the same method as described in example 1 except that (i) in step 95-A 2-chloro-1,4-diiodo-benzene was used in place of 2-fluoro-1,4-diiodo-benzene; (ii) in step 95-B ethylmagnesium bromide was used in place of methylmagnesium chloride; (iii) chlorination of the 5-position of the imidazole ring with N-chlorosuccinimide in step 95-F was omitted, and (iv) (R)-tert-butoxycarbonylamino-[4-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-phenyl]-acetic acid (prepared as described in steps 33-T and 33-U) was used in place of (R)-tert-butoxycarbonylamino-[4-(2-tert-butoxy-ethoxy)-phenyl]-acetic acid in step 95-G. HR-MS: calcd for C31H30ClIN4O5 [M+H+] 701.1022. Found 701.1017.

1. customPrepared by the same method