HCID 11733796, compound → HCID 10928815, compound

Participants

Reaction Steps

4(4Methoxy-benzenesulfonyl)-1-(4-thiophen-2-yl-benzyl)-piperidine-4-carboxylic acid was prepared starting from 4(4methoxy-benzenesulfonyl)-1-(4-thiophen-2-yl-benzyl)-piperidine-4-carboxylic acid ethyl ester (1.3 g, 2.61 mmol) dissolved in THF:methanol (3:1 150 ml) and 10 N NaOH (20 ml). The resulting reaction mixture was worked up as outlined in example 83. Yield 950 mg (77%); brown solid; mp 235° C.; MS: 471.8 (M+H)+

Provenance & Evidence