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Pyrimido[4,5-c]pyridazines. 6. Pyrimido[4,5-c]pyridazines and 1,2,4-triazines from reactions between 6-hydrazinopyrimidin-4(3H)-ones and vicinal dicarbonyl reagents

โœ Scribed by Styles, Virgil L.; Morrison, Robert W.

Book ID
120492885
Publisher
American Chemical Society
Year
1985
Tongue
English
Weight
684 KB
Volume
50
Category
Article
ISSN
0022-3263

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๐Ÿ“œ SIMILAR VOLUMES

A Convenient and Facile Synthesis of Pyr
A Convenient and Facile Synthesis of Pyridine, Pyridazine, Pyrimido[4,5-c]pyridazine, Pyrido[3,4-c]pyridazine, 1,6-Naphthyridine and Phthalazine Derivatives.
โœ Eman A. El Rady; Magda A. Barsy ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› John Wiley and Sons โš– 26 KB ๐Ÿ‘ 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

A convenient and facile synthesis of pyr
A convenient and facile synthesis of pyridine, pyridazine, pyrimido-[4,5-c]pyridazine, pyrido[3,4-c]pyridazine, 1,6-naphthyridine and phthalazine derivatives
โœ Eman A. El Rady; Magda A. Barsy ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 450 KB

Ethyl 2-arylhydrazono-3-butyrates 2 reacted with 2-cyano-N-(4-methylphenyl) acetamide 1a and 2cyano-N-(thiazol-2-yl)acetamide 1b to give the pyridinedione, 4 and pyridazine 5 derivatives in 3:1 ratio. The products 4 and 5 have been transformed into different phthalazine, pyrimido[4,5-c]pyridazine, p