2-Pyrones. XVII. Aryl Hydrazones of Triacetic Lactone and Their Rearrangement to 1-Aryl-3-carboxy-6-methyl-4-pyridazones. The Methyl Ether of Triacetic Lactone
RH Wiley, CH Jarboe
文献索引：Wiley; Jarboe Journal of the American Chemical Society, 1956 , vol. 78, p. 624
Twelve aryl diazonium salts have been coupled with triacetic lactone to yield aryl hydrazones. Under the same conditions 3-bromotriacetic lactone and methylene bis- (triacetic lactone) were found to undergo coupling and elimination reactions to yield the same products as the unsubstituted triacetic lactone. The hydrazones readily rearrange upon treatment with either aqueous base or acid to l-aryl-3-carboxy-6-methyl-4- ...
