140885-84-3Relevant academic research and scientific papers
Synthesis of α-azido-2′-hydroxychalcones from chalcone dibromides with azide ion
Patonay, Tamas,Jekoe, Jozsef,Riman, Eva
, p. 2403 - 2415 (2007/10/03)
The reaction of the 2′-hydroxychalcone dibromides with azide ion was found to afford various products such as α-azido-2′-hydroxychalcones, flavones, aurones, isoxazoles or the parent chalcones depending on the substituent pattern of the substrate. Efficie
BENZO-γ-PYRONES, PART XIV. REACTION OF C-SUBSTITUTED 2-PHENYL-4H-1-BENZOPYRAN-4-ONES WITH HYDROXYLAMINE
Basinski, Wlodzimierz
, p. 1619 - 1632 (2007/10/02)
The reaction of C-6,7,8 (CH3, Br) and C-4' (OCH3) substituted flavones 1a-1f with hydroxylamine in anhydrous pyridine has been investigated.The oximes 2a-2f and isoxazoles 3a-3f were obtained.It has been established that the ratio of oxime to isoxazole de
