Proline is believed to catalyse the aldolreaction through a hydrogen-bonded intermediate.
人们普遍认为，脯氨酸通过形成单氢键相连接的中介物来催化醛醇缩合反应。
2
Especially it introduces the parameter of the cross aldol condensation and side-reaction controlling, the midterm products separation, and catalyzed hydrogenation.