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Mass Spectra of 1,2,4-Oxadiazole-5-thiones and 1,2,4-Thiadiazole-5-ones

 

作者: Hikmet Aǥirbaş,   Doğn Sümengen,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1992）
卷期: Volume 25, issue 7  

页码: 1079-1088

 

ISSN:0038-7010

 

年代: 1992

 

DOI:10.1080/00387019208018217

 

出版商: Taylor & Francis Group

 

关键词: Mass Spectra;1,2,4-Oxadiazole-5-thione;1,2,4-Thiadiazole-5-one, McLafferty Rearrangements

 

数据来源: Taylor

 

摘要:

The mass spectra of 3,4-disubstituted-1,2,4-oxadiazole-5(4H)-thione and 3,4-disubstituted-1,2,4-thiadiazole-5(4H)-ones have been studied. The rearrangement of molecular ion of 1,2,4-oxadiazole-5-thiones to 1,2,4-thiadiazole-5-ones was proposed. Some major fragments observed in the spectra were interpreted and the fragmentation patterns involving McLafferty rearrangements were reported.

 

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