Hydrochloric Acid → 2-Butyl-1-[(2'-carboxybiphenyl-4-yl)methyl]-4-[1-hydroxy-2-methyl-1-(1-methylethyl)propyl]imidazole-5-carboxamide

Participants

Reaction Steps

Following a procedure similar to that described in Example 45(d), but using 220 mg of 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-2-butyl-4-[1-hydroxy-2-methyl-1-(1-methylethyl)propyl]imidazole-5-carboxamide [prepared as described in step (b) above] and 4.5 ml of a 4N solution of hydrogen chloride in dioxane, 201 mg of the hydrochloride of the title compound were obtained as an amorphous solid, melting at 178°-181° C.

Provenance & Evidence