1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid → 4-[3,5-Bis-(4-cyano-phenoxy)-phenylcarbamoyl]-piperidine-1-carboxylic Acid Tert-butyl Ester

Participants

Reaction Steps

Following the procedure of Example 9(e) piperidine-1,4-dicarboxylic acid mono-tert-butyl ester 0.7 g (3.05 mmol) and [3,5-bis-(4-cyano-phenoxy)-phenyl]-amine (1.0 g, 3.05 mmol) were used to afford 0.85 g of the required product. 1H NMR (DMSO-d6): δ 1.2 (4H, m), 1.31 (9H, s), 1.8 (4H, d), 2.21 (1H, t), 3.1 (1H, m), 6.81 (1H, d), 7.04 (1H, s), 7.2 (6H, m), 7.91 (4H, dd), 10.0 (1H, brs).

Provenance & Evidence