71620-33-2

Upstream product

• 57009-12-8 methyl 3-acetyl-4-hydroxybenzoate 

Downstream Products

• 71620-38-7 methyl 2-(2',3',4'-trimethoxybenzylidene)-3(2H)-benzofuranone-5-carboxylate 
• 71620-35-4 methyl 2-benzylidene-3(2H)-benzofuranone-5-carboxylate 

Relevant academic research and scientific papers

Substituted cyclic compounds, preparation method and pharmaceutical compositions containing them

The invention concerns compounds of formula (I): R—A—R′ wherein: A is as defined in the description; R represents a group (V), (VI), (VII) or (VIII), where E, Q, R1, R2, R3, v and R4are as defined in the description; R′ represents a —(CH2)t—R5group wherein t and R5are as defined in the description

2H-benzofuran-3-one-derivatives and process for their preparation

2H-Benzofuran-3-one derivatives, process for their preparation and pharmaceutical compositions containing them. The compounds and compositions are useful in the treatment of allergies.