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1293. Pyridazines. Part III. Synthesis of 6-aryl-2,3,4,5-tetra-hydro- and -2,3-dihydro-pyridazin-3-ones and 3,6-diarylpyridazines

✍ Scribed by Baddar, F. G. ;Latif, N. ;Nada, A. A.


Book ID
121234751
Publisher
The Royal Society of Chemistry
Year
1965
Weight
350 KB
Category
Article
ISSN
0368-1769

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## Abstract magnified image Novel routes to 3‐aminopyridazines, 10a__H__‐pyridazino[1,6‐__a__]quinazoline and, thieno[3,4‐__d__]pyridazine utilizing the reaction of 2‐oxobutanal‐1‐arylhydrazones **3a,b** with Ξ±,β‐unsaturated nitriles are described. Condensation of **3** with ethyl cyanoacetate aff