254753-76-9

Upstream product

• 917479-30-2 3,4-bis(3,5-dibromo-4-methoxyphenyl)1-[2-(4-methoxyphenyl)ethyl]pyrrole-2,5-dicarboxylic acid 
• 108940-96-1 3,5-dibromo-4-methoxybenzaldehyde 
• 917479-29-9 3-(3,5-dibromo-4-methoxyphenyl)-2-oxopropanoic acid 

Relevant academic research and scientific papers

Synthesis of polycitrin A and 3,4-bis(4-hydroxyphenyl)pyrrole derivatives related to polycitone A

The oxidative condensation of 3-arylpyruvic acids with arylethylamines to give 3,4-diarylpyrrole-2,5-dicarboxylic acids was used for an efficient synthesis of polycitrin A (4). Investigation of the bromine-mediated degradation of acid 2b to maleimide 3b s