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Derivatives of heterocyclic α-iminocarboxylic acids. 4. Reduction of N-alkoxycarbonyl derivatives of α-iminocarboxylic acids

✍ Scribed by R. Nurdinov; É. É. Liepin'sh; I. Ya. Kalvin'sh


Publisher
Springer US
Year
1993
Tongue
English
Weight
500 KB
Volume
29
Category
Article
ISSN
0009-3122

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Derivatives of α-tetronic acid
✍ A.G. Long; A.F. Turner 📂 Article 📅 1963 🏛 Elsevier Science 🌐 French ⚖ 272 KB

ABRAHAM and NEWTON1 obtained the lactone (I) from cephalosporin C. We have studied simpler lactones of this type. We made our compounds from the Mannich bases derived from pyruvic acid, formaldehyde and certain secondary amines: 2 for instance, piperidine sulphate gave the a-tetronic acid derivative