Straightforward synthesis of enantiomerically pure (3S,4R)- and (3R,4S)-3,4-isopropylidenedioxypyrroline 1-oxide, precursors of functionalized cis-dihydroxy azaheterocycles, by a novel "one-pot" procedure.

Straightforward synthesis of enantiomerically pure (3S,4R)- and (3R,4S)-3,4-isopropylidenedioxypyrroline 1-oxide, precursors of functionalized cis-dihydroxy azaheterocycles, by a novel "one-pot" procedure.