84019-12-5Relevant articles and documents
Studies of the Selective O-Alkylation and Dealkylation of Flavonoids. V. The Synthesis of 5,6-Dihydroxy-3,4',8-trimethoxyflavone and a Revised Structure for the Flavone from Conyza stricta
Horie, Tokunaru,Kourai, Hiroki,Osaka, Hideaki,Nakayama, Mitsuru
, p. 2933 - 2936 (1982)
5,6-Dihydroxy-3,4',8-trimethoxyflavone, which was the proposed structure of the pigment occuring in Conyza stricta, was synthesized from 2,3,5,6-tetramethoxyacetophenone in six steps.The natural pigment was identical not with the synthesized flavone, but