1,3,4,6-Tetracarbonyl Compounds: V. Reaction of 1,6-Disubstituted 3,4-Dihydroxy-2,4-hexadiene-1,6-diones with 2,3-Diaminopyridine |
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| Authors: | V. O. Koz'minykh O. A. Sof'ina N. M. Igidov E. N. Koz'minykh |
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| Affiliation: | (1) Perm State Pharmaceutical Academy, P.O. Box 8519, Perm, 614051, Russia |
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| Abstract: | 1,6-Disubstituted 3,4-dihydroxy-2,4-hexadiene-1,6-diones having two contiguous  -dicarbonyl fragments readily react with 2,3-diaminopyridine to give (2Z,3Z)-bis(acylmethylene)-1,2,3,4-tetrahydropyrido[2,3-b]pyrazines. |
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