(E)-tert-butyl 4-[2-carboxy-2-(4-methanesulfonylphenyl)vinyl]piperidine-carboxylate   、                                                                                      
2-氨基噻唑                                                                                                                                                                                                                                                                                                          以to give (E)-tert-butyl 4-[2-(4-methanesulfonylphenyl)-2-(thiazol-2-ylcarbamoyl)vinyl]piperidine-1-carboxylate的产率得到(E)-tert-butyl 4-[2-(4-methanesulfonylphenyl)-2-(thiazol-2-ylcarbarnoyl)vinyl]piperidine-1-carboxylate