577-85-5

yellow fluffy powder

Reactant involved in:• ;Studies of photochemically-induced dioxygenase-type CO-release reactivity1• ;Phase-transfer protection and deprotection of hydroxychromones2• ;O-methylation with di-Me carbonate3Reactant involved in the synthesis of biologically active molecules including:• ;2-Chloropyridine derivatives for studies of antitumor agents and telomerase inhibitors4• ;Dihydrochromenopyrazines and chromenoquinoxalines5Involved in studies of its electrochemical properties using voltammetric methodologies6

ChEBI: A monohydroxyflavone that is the 3-hydroxy derivative of flavone.

Tetrahedron Letters, 25, p. 5561, 1984 DOI: 10.1016/S0040-4039(01)81626-9

Recrystallise it from MeOH (m 169.5-170o), EtOH, aqueous EtOH (m 167o) or hexane. It has also been purified by repeated sublimation under high vacuum, and dried at high vacuum pumping for at least one hour [Bruker & Kelly J Phys Chem 91 2856 1987]. [Beilstein 17 H 527, 17 I 268, 17 II 498, 17 III/IV 6428.]