Potassium Carbonate → HCID 67273119, compound

Participants

Reaction Steps

In a manner similar to that of Example (25a), by reaction of 500 μL (4.43 mmol, 5.4 eq) of 2-bromoethyl ethyl ether and 350 mg (0.82 mmol, 1 eq) of methyl 3-[3′-(3-heptyl-1-methylureido)-2-hydroxybiphenyl-4-yl]propanoate (prepared in Example 15f) in 10 ml of methyl ethyl ketone in the presence of 500 mg (3.61 mmol, 4.4 eq) of potassium carbonate at 90° C. for 12 hours, methyl 3-[2-(2-ethoxyethoxy)-3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propanoate is obtained in oil form and is used in the following reaction without further purification.

Provenance & Evidence