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Synthesis and structure of a trimer of 4,5-dihydropyridazine

โœ Scribed by Bandlish, B. K.; Brown, J. N.; Timberlake, J. W.; Trefonas, Louis M.

Book ID
121374779
Publisher
American Chemical Society
Year
1973
Tongue
English
Weight
528 KB
Volume
38
Category
Article
ISSN
0022-3263

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Reaction of N-aryl substituted maleimides with aliphatic ketazines leads to the formation of 4,5-dihydropyridazin-3(2H)-ones in moderate yields. The reaction proceeds through 1,4-addition of an azine to the maleimide double bond, as confirmed by separation of the corresponding adducts in some cases,