HCID 11812362, compound → HCID 10994203, compound

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4-(4-Butoxy-benzenesulfonyl)-1-(3-methoxy-benzyl)-piperdine-4-carboxylic acid was prepared starting from 4-(4-methoxy-benzenesulfonyl)-1-(3-methoxy-benzyl)-piperidine-4- carboxylic acid ethyl ester (2.61 g, 5.34 mmol) dissolved in THF:methanol (3:1 150 ml) and 10N NaOH (15 ml). The resulting reactionr mixture was worked up as'outlined in example 83. Yield 1 g (41%); brown solid; mp 175° C.; MS: 462.0 (M+H)+

Provenance & Evidence