Abstract: Four timing group compounds which are used to prepare functional DIAR couplers are presented,and the physical properties and structures of the compounds are identified by IR,1HNMR,MS and etc.

• 文摘:制备了四只DIAR成色剂的定时基化合物，通过了红外、核磁、质谱对该化合物的结构及物理性质的测定。