82448-70-2Relevant articles and documents
Synthesis of Licoisoflavone A and Related Compounds
Tsukayma, Masao,Fujimoto, Kunihiro,Horie, Tokunaru,Masumura, Mitsuo,Nakayama, Mitsuru
, p. 136 - 141 (2007/10/02)
2',4',5,7-Tetrahydroxyisoflavone was partially benzoylated with benzoyl chloride to give 7-benzoyloxy-2',4',5-trihydroxyisoflavone.The condensation of the 7-(benzoyloxy)isoflavone with 2-methyl-3-buten-2-ol, followed by the hydrolysis of the resultant 3'-(3-methyl-2-butenyl)isoflavone gave licoisoflavone A.Its 5'-(3-methyl-2-butenyl) isomer was also synthesized from 5-benzoyloxy-2',4',7-trihydroxyisoflavone in a similar manner.