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Hydrogen and Trimethylsilyl Transfers During EI Mass Spectral Fragmentation of Hydroxycarboxylic and Oxocarboxylic Acid Trimethylsilyl Derivatives

✍ Scribed by Jean-François Rontani; Claude Aubert


Book ID
108158421
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
246 KB
Volume
19
Category
Article
ISSN
1044-0305

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📜 SIMILAR VOLUMES


Quinoxalinol derivatives of aliphatic 2-
✍ U. Langenbeck; H. -U. Möhring; B. Hinney; M. Spiteller 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 594 KB

In acidic media o-phenylenediamine and 2-oxoacids react to yield quinoxaline derivatives. On derivatization in pyridine with silylating reagents quinoxalinol-O-TMS ethers or O-TMS-ether-TMS-esters are formed exclusively as shown by gas chromatography infrared spectrometry and gas chromatography mass