[2-Butyl-5-chloro-1-[[4-[2-(1-trityltetrazol-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methanol → 2-Butyl-1-[(2'-{N-triphenylmethyltetrazol-5-yl}biphen-4-yl)methyl]-5-chloro-1H-imidazole-4-carboxaldehyde

Participants

Reaction Steps

This Step A compound can be prepared as described in Example 3, Step A, except that 2-butyl-1-[(2'-{N-triphenylmethyltetrazol-5-yl}biphen-4-yl)methyl]-5-chloro-1H-imidazole-4-methanol (European Patent Applications 253,310 and 291,969) can be used as the starting material for the oxidation instead of 2-butyl-1-[(2'-t-butoxycarbonylbiphen-4-yl)methyl]-5-chloro-1H-imidazole-4-methanol.

Provenance & Evidence