一个酯的质谱图有m/z74(70%)的强离子峰,下面所给结构中哪个与此观察值最为一致? ( ) (1) CH3CH2CH2COOCH3 (2) (CH3)2CHCOOCH3 (3) CH3CH2COOCH2CH3 (4) (1)或(3)
问题描述:
一个酯的质谱图有m/z74(70%)的强离子峰,下面所给结构中哪个与此观察值最为一致?
( )
(1) CH3CH2CH2COOCH3 (2) (CH3)2CHCOOCH3
(3) CH3CH2COOCH2CH3 (4) (1)或(3)
答
(1) CH3CH2CH2COOCH3