p-Toluenesulfonic acid → 4-Cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid [2-cyclohex-1-enyl-4-(2-methyl-[1,3]dioxan-2-yl)-phenyl]-amide

Participants

Reaction Steps

The title compound was prepared from 4-cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid (4-acetyl-2-cyclohex-1-enyl-phenyl)-amide (as prepared in Example 1, step (h), 0.58 mmol), 1,3-propanediol (882 mg, 11.6 mmol) and catalytic PTSA according to the procedure in Example 1, step (h) (147 mg, 49%). Mass spectrum (ESI, m/z): Calcd. for C28H38N4O4Si, 523.2 (M+H). found 523.3.

Provenance & Evidence