Total synthesis of 3,3'-biflavone

3,3'-Biflavones I (R = H, OMe) were prepd. from phloroglucinol via Baker-Venkataraman rearrangement of the diesters II (R1 = COC6H4R-4) and cyclization. [on SciFinder (R)]


Published in:
Journal of the Chemical Society, Chemical Communications, 23, 1549-50
Year:
1988
Keywords:
Note:
CAN 110:212429
26-4
Biomolecules and Their Synthetic Analogs
Inst. Org. Chem.,Lanzhou Univ.,Lanzhou,Peop. Rep. China.
Journal
0022-4936
written in English.
543-20-4 (Succinoyl chloride) Role: RCT (Reactant), RACT (Reactant or reagent) (Friedel-Crafts reaction of, with phloroglucinol tri-Me ether); 108-73-6 (Phloroglucinol) Role: RCT (Reactant), RACT (Reactant or reagent) (methylation of); 120341-53-9P; 120341-54-0P Role: RCT (Reactant), SPN (Synthetic preparation), PREP (Preparation), RACT (Reactant or reagent) (prepn. and Baker-Venkataraman rearrangement of); 621-23-8P (Phloroglucinol trimethyl ether) Role: RCT (Reactant), SPN (Synthetic preparation), PREP (Preparation), RACT (Reactant or reagent) (prepn. and Friedel-Crafts reaction of, with succinoyl chloride); 120341-55-1P; 120527-70-0P Role: RCT (Reactant), SPN (Synthetic preparation), PREP (Preparation), RACT (Reactant or reagent) (prepn. and cyclization of); 120341-52-8P Role: RCT (Reactant), SPN (Synthetic preparation), PREP (Preparation), RACT (Reactant or reagent) (prepn. and esterification of); 120341-51-7P Role: RCT (Reactant), SPN (Synthetic preparation), PREP (Preparation), RACT (Reactant or reagent) (prepn. and selective demethylation of); 20081-63-4P; 120341-56-2P Role: SPN (Synthetic preparation), PREP (Preparation) (prepn. of)
Laboratories:




 Record created 2010-11-25, last modified 2018-03-17


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