Cyclopropylamine → Ethyl 4'-(2-cyclopropylaminoethoxy)-3'-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate

Participants

Reaction Steps

In a manner similar to that of Example 1c, by reaction of 600 mg (1.15 mmol) of ethyl 4′-(2-bromoethoxy)-3′-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate with 800 μl (11.5 mmol) of cyclopropylamine in 100 ml of ethanol. 360 mg of ethyl 4′-(2-cyclopropylaminoethoxy)-3′-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate are obtained in the form of a white solid (m.p.=141° C., yield=63%).

Provenance & Evidence