71054-79-0

Upstream product

• 70458-56-9 ethyl-4,5-dihydro-4-oxo-5-phenylpyrano[3,2-b]indole-2-carboxylate 
• 71711-34-7 1-(3-hydroxy-1-phenyl-indol-2-yl)-2-methanesulfonyl-ethanone 
• 497-19-8 sodium carbonate 

Relevant academic research and scientific papers

Synthesis and antiallergy activity of 4-oxopyrano[3,2-b]indoles

A series of 4-oxopyrano[3,2-b]indole carboxylic acids, tetrazoles, and carboxamidotetrazoles has been prepared and tested for antiallergy potential in the rat passive cutaneous anaphylaxis (PCA) assay. Many of the compounds showed activity comparable or s

Indolopyrones having anti-allergic activity

This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.

Process for the preparation of indolopyrones

This invention relates to a novel process for preparing a group of novel substituted indolopyrones.