Patent ID: 6906202

Claim:
A method of purifying racemic cis-6-phenyl-5-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-5,6,7,8-tetrahydronaphthalen-2-ol comprising: (a) suspending racemic cis-6-phenyl-5-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-5,6,7,8-tetrahydronaphthalen-2-ol in a mixture of ethanol and tetrahydrofuran to form a suspension; (b) agitating and heating said suspension; (c) cooling said suspension of step (b); and (d) collecting a solid purified racemic cis-6-phenyl-5-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-5,6,7,8-tetrahydronaphthalen-2-ol.