1-tert-butoxycarbonyl-4-{[4-(4-chlorobenzoyl)piperidine-1-sulfonyl]amino}piperidine-4-carboxylic acid 以
1-[4-(4-chlorobenzoyl)piperidine-1-sulfonyl]piperidine-2-(R)-carboxylic acid 为溶剂,
生成 N-tert-butoxy-1-tert-butoxycarbonyl-4-{[4-(4-chlorobenzoyl)piperidine-1-sulfonyl]amino}piperidine-4-carboxamide