1-(2,2-Difluoro-1,3-benzodioxol-5-yl)cyclopropanecarboxylic acid

It is coupled with a substituted indole amine, forming the central carboxamide structure of this CFTR corrector used for cystic fibrosis. 1-(2,2-Difluoro-1,3-benzodioxol-5-yl)cyclopropanecarboxylic acid is a key intermediate in the synthesis of Tezacaftor (VX-661), acting as the acyl component in the formation of the amide bond.

API Name Tezacaftor
CAS No 862574-88-7
Molecular Formula C11H8F2O4
Molecular Weight 242.17 g/mol
Synonyms 1-(2,2-difluoro-1,3-benzodioxol-5-yl)cyclopropane-1-carboxylic acid

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