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Structure of 1,5,6-trimethyl-1H-pyrazolo[3,4-d]pyridazine-4,7(5H,6H)-dione

✍ Scribed by Leban, I. ;Golič, L. ;Stanovnik, B. ;Tišler, M.


Book ID
114504112
Publisher
International Union of Crystallography
Year
1988
Tongue
English
Weight
310 KB
Volume
44
Category
Article
ISSN
0108-2701

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A novel synthesis of 3-(substituted)pyri
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An improved synthesis of 3-(substituted)pyrimido[4,5-c]pyridazine-5,7(1H,6H)-diones, a known subclass of 4-deazatoxoflavins, is reported. The approach involves treatment of 3-methyl-6-(1-methylhydrazinyl)uracil with representative phenyl and alkyl glyoxal monohydrates, which in turn are obtained by