Ethyl isocyanate → HCID 57669897, compound

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Reaction Steps

A mixture of (4S,5R)-2-(6-tert-butyl -4-ethoxy-pyridin-3-yl)-4,5-bis-(4-chloro-phenyl)-4,5-dimethyl-4,5-dihydro-imidazole-1-carboxylic acid piperidin-4-yl amide (51.2 mg, 0.082 mmole, example 205) and ethyl isocyanate (12.0 mg, 0.169 mmole, Aldrich) in dichloromethane (4 mL) was stirred at room temperature for 2 h before concentrated to dryness. The residue was purified by flash column chromatography (silica gel, eluting with a gradient of 1-10% methanol in dichloromethane) to give the title compound (44.6 mg, 78% yield). HR-MS (ES, m/z) calculated for C37H47Cl2N6O3 [(M+H)+] 693.3081, observed 693.3081.

Provenance & Evidence