N-Isopropyl Noratropine

It acts as the precursor, which is methylated to form the final active bronchodilator ingredient, typically used to treat COPD and asthma. N-Isopropyl noratropine (or 8-isopropyl-noratropine) serves as a key intermediate in the synthesis of Ipratropium bromide (8-isopropyl-noratropine-methobromide), a synthetic quaternary ammonium anticholinergic drug.

API Name Ipratropium bromide
CAS No 22235-81-0
Molecular Formula C19H27NO3
Molecular Weight 317.4 g/mol
Synonyms (8-propan-2-yl-8-azabicyclo[3.2.1]octan-3-yl) 3-hydroxy-2-phenylpropanoate

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