噁嗪酮并苯并硫氮杂衍生物在质谱中的Retro DielS—Alder碎裂反应  

Retro Diels—Alder Fragmentation of the Derivatives of Oxazinono—benzothiazepine in Mass spectrometry

作　　者：贺晓然[1] 林孝元[1] 何美玉[1] 俞振培[1] 许家喜[1] 

机构地区：[1]北京大学化学系,100871

出　　处：《质谱学报》1993年第3期26-30,共5页Journal of Chinese Mass Spectrometry Society

摘　　要：本工作对22个合成的噁嗪酮并苯并硫氮杂(艹卓)衍生物在质谱中的RDA碎裂反应进行了EIMS和FABMS的比较研究。可以看出,称为“软电离”的FAB,其能量沉积效率明显低于EI,因而可以得到更强的分子区信息。A comparative study has been carried out on EIMS and FABMS of the RDA fragmentation of twenty-two newly synthesized derivatives of oxazinono-benzothiaepine. It is found that the energy deposition efficiency in the so-called 'soft ionization' of FAB is significantly lower than that in the case of EI. Therefore, more information can be obtained in the molecular region.

关 键 词：恶嗪酮 硫氮杂Zhuo 衍生物 质谱 

分 类 号：O657.6[理学—分析化学]