1-Hydroxybenzotriazole → Methyl cis(+/-)-5-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methoxypiperidin-1-yl)-2-methylbenzoate

Participants

Reaction Steps

The same operation as in Example (1g) was performed using methyl cis(±)-5-(4-amino-3-methoxypiperidin-1-yl)-2-methylbenzoate obtained in Example (172b) (26.3 mg, 0.09 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained by the method described in Example (1d) (15 mg, 0.09 mmol), WSC hydrochloride (49.4 mg, 0.26 mmol) and HOBt (11.6 mg, 0.09 mmol), to obtain 33.0 mg of the title compound as a pale yellow oily substance (88%).

Provenance & Evidence