43016-21-3Relevant articles and documents
Synthesis of pyrazole and isoxazole in triethanolamine medium
Agrawal, Nitin N.,Soni
, p. 532 - 534 (2008/09/18)
Reactions of 2′-hydroxy chalcone dibromides 2a-1 with phenyl hydrazine and hydrazine hydrate afford pyrazoles 1a-1 and with hydroxylamine hydrochloride give isoxazoles 5a-f in triethanolamine medium. Similarly reaction of β-diketone 3b-e with phenyl hydra
CHALCONE OXIMES. PART V. REACTION OF HYDROXYLAMINE WITH 4-SUBSTITUTED 2'-HYDROXYCHALCONES
Witczak, Zbigniew,Krolikowska, Maria
, p. 89 - 100 (2007/10/02)
The reactions of hydroxylamine with 4-substituted 2'-hydroxychalcones have been investigated.Formation of products of 1,2 addition and simultaneous 1,4 and 1,2 addition for R = -CH3, -Cl have been established.Products of 1,2 addition for R = -OCH3 and of