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Mass spectra of negative ions of aliphatic ω-oxocarboxylic acid derivatives

✍ Scribed by I. I. Furlei; V. N. Odinokov; A. P. Zhavoronkov; G. A. Tolstikov

Book ID
112445148
Publisher
Springer
Year
1984
Tongue
English
Weight
439 KB
Volume
33
Category
Article
ISSN
1573-9171

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Quinoxalinol derivatives of aliphatic 2-oxocarboxylic acids. Infrared and mass spectra of the O-trimethylsilylated compounds
✍ 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