Derivatives of ฮฑ-tetronic acid
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A.G. Long; A.F. Turner
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Article
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1963
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Elsevier Science
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French
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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