1592-48-9

Upstream product

• 1486-54-0 3,4-dibenzyloxybenzoyl chloride 
• 169130-27-2 3'-benzyloxy-2'-hydroxy-6'-isopropoxy-4',5'-dimethylacetophenone 
• 58605-10-0 methyl 3,5-bis(benzyloxy)benzoate 
• 5447-02-9 3,4-dibenzyloxybenzaldehyde 
• 1570-05-4 3,4-bis(benzyloxy)benzoic acid 

Downstream Products

• 1486-61-9 3',4'-bis(benzyloxy)-5,7-dihydroxy-3-methoxyflavone 
• 59171-29-8 2-(3,4-bis-benzyloxy-phenyl)-5,6-dihydroxy-3,7-dimethoxy-chromen-4-one 
• 124909-83-7 2-(3,4-Bis-benzyloxy-phenyl)-6-hydroxy-3,5,7-trimethoxy-chromen-4-one 
• 134082-16-9 2-(3,4-Bis-benzyloxy-phenyl)-5,6,7-trimethoxy-3-methyl-chromen-4-one 
• 134082-17-0 2-(3,4-Bis-benzyloxy-phenyl)-3-butyl-5,6,7-trimethoxy-chromen-4-one 
• 134082-10-3 2-(3,4-Bis-benzyloxy-phenyl)-3-butyl-5,7,8-trimethoxy-chromen-4-one 
• 134082-11-4 2-(3,4-Bis-benzyloxy-phenyl)-3-hexyl-5,7,8-trimethoxy-chromen-4-one 
• 134082-18-1 2-(3,4-Bis-benzyloxy-phenyl)-3-hexyl-5,6,7-trimethoxy-chromen-4-one 
• 134082-19-2 2-(3,4-Bis-benzyloxy-phenyl)-5,6,7-trimethoxy-3-octyl-chromen-4-one 
• 134082-12-5 2-(3,4-Bis-benzyloxy-phenyl)-5,7,8-trimethoxy-3-octyl-chromen-4-one 
• 134109-93-6 2-(3,4-Bis-benzyloxy-phenyl)-3-decyl-5,7,8-trimethoxy-chromen-4-one 
• 134082-20-5 2-(3,4-Bis-benzyloxy-phenyl)-3-decyl-5,6,7-trimethoxy-chromen-4-one 
• 134082-21-6 2-(3,4-Bis-benzyloxy-phenyl)-3-dodecyl-5,6,7-trimethoxy-chromen-4-one 
• 134082-13-6 2-(3,4-Bis-benzyloxy-phenyl)-3-dodecyl-5,7,8-trimethoxy-chromen-4-one 

Relevant academic research and scientific papers

An improved synthesis of the anti-picornavirus flavone 3-O-methylquercetin

Two optimised procedures to synthesise 3-O-methylquercetin (1), an important antivirally active flavone, are presented: one is based on an Allan-Robinson condensation, the other one on a modified phase transfer catalysed Baker-Venkataraman transformation.

SYNTHESIS OF 5,8-DIHYDROXY-6,7-DIMETHOXYFLAVONES AND REVISED STRUCTURES FOR SOME NATURAL FLAVONES

Six 5,8-dihydroxy-6,7-dimethoxyflavones and three 8-hydroxy-5,6,7-trimethoxyflavones were synthesized from 2',5'-dihydroxy-3',4',6'-trimethoxyacetophenone by adapting the selective O-alkylation and dealkylation, and the differentiation between the flavones and their isomeric 6-hydroxyflavones was clarified by 1H NMR and UV spectra.Four natural flavones proposed as 5,8-dihydroxy-6,7-dimethoxyflavones, must have other structures and three are shown to be isomeric 5,7-dihydroxy-6,8-dimethoxyflavones.A flavone, isolated from Helichrysum, is revised to the isomeric 7-hydroxy-5,6,7-trimethoxyflavone,