Studies with enaminones: Formation of a N,O-cyclicacetal on coupling of 3-dimethylamino-1-hydroxyphenyl-2-propenone with arenediazonium salts
作者:Khadijah M. Al-Zaydi、Rita M. Borik、Mohamed H. Elnagdi
DOI:10.1002/jhet.5570440535
日期:2007.9
Coupling the title compound 3 with arenediazoniumsalts affords the arylhydrazonochromones 6. The latter compounds react with hydrazine hydrate to yield novel pyrazoles 11.