4-(5-(4-(Pentyloxy)phenyl)-3-isoxazolyl)benzoic acid

4-(5-(4-(Pentyloxy)phenyl)-3-isoxazolyl)benzoic acid is a small-molecule organic intermediate, best known as a side-chain building block employed to synthesize the echinocandin antifungal micafungin (often referred to as “micafungin intermediate 2” or “FR-195752 side chain”).

CAS No 179162-55-1
Molecular Formula C21H21NO4
Molecular Weight 351.4 g/mol
Synonyms 4-[5-(4-pentoxyphenyl)-1,2-oxazol-3-yl]benzoic acid