(2R,3R)-2-[(benzoyloxy)methyl]-4,4-difluoro-5-oxooxolan-3-yl benzoate

The molecule consists of a 4,4-difluoro-substituted oxolan-5-one (γ-lactone) ring, with defined (2R,3R) stereochemistry, ensuring precise three-dimensional configuration required for stereoselective synthesis. (2R,3R)-2-[(Benzoyloxy)methyl]-4,4-difluoro-5-oxooxolan-3-yl benzoate is a fluorinated chiral lactone derivative featuring dual benzoate ester protection.

API Name Gemcitabine
CAS No 122111-01-7
Molecular Formula C19H14F2O6
Molecular Weight 376.3 g/mol
Synonyms [(2R,3R)-3-benzoyloxy-4,4-difluoro-5-oxooxolan-2-yl]methyl benzoate

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