80324-51-2

Upstream product

• 856815-41-3 1-(2-hydroxy-3,4,6-trimethoxyphenyl)-3-(3,4,5-trimethoxyphenyl)-1,3-propanedione 
• 89456-44-0 5,8-dihydroxy-7-methoxy-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one 
• 77-78-1 dimethyl sulfate 
• 7507-98-4 1-(2-hydroxy-3,4,6-trimethoxyphenyl)ethanone 
• 7499-99-2 1-(2,4-dihydroxy-3,6-dimethoxy)phenylethanone 
• 480-66-0 2,4,6-trihydroxyacetophenone 
• 1719-88-6 3,4,5-trimethoxybenzoic anhydride 
• 18103-42-9 5,7-dihydroxy-3',4',5'-trimethoxyflavone 
• 18103-41-8 5-hydroxy-7-methoxy-2-(3',4',5'-trimethoxyphenyl)-4H-chromen-4-one 

Downstream Products

• 68708-52-1 3',4',5',5,6,7-hexahydroxyflavone 
• 89473-44-9 3',4',5,5',7,8-hexahydroxyflavone 

Relevant academic research and scientific papers

Miscrowave-assisted efficient synthesis of polymethoxyacetophenones and natural polymethoxyflavones, and thier inhibitory effects on melanogenesis

Microwave, assisted Friedel-Crafts acetylation of polymethoxybenzenes with acetic anhydride in the presence of In(CF3SO3)3 under solvent-free conditions was achieved rapidly to give polymethoxyacetophenones in high yields. Microwave-assisted benzoylation of 2'-hydroxypolymethoxyacetophenones with polymethoxybenzoyl chlorides, followed by the rearrangement of the resulting benzoates and the final formation of natural polymethoxyflavones was achieved rapidly and efficiently. The polymethoxyflavones showed inhibitory effects on melanogenesis in human melanoma cells.

Constituents of the Root Bark of Murraya paniculata Collected in Indonesia

A mixture of fatty acid esters (Va) of murrangatin was obtained from the root bark of Murraya paniculata (Rutaceae) collected in Indonesia together with eleven known constituents of chemotaxonomical significance, and their structures were characterized on