A straightforward synthesis of (−)-(1S,2R)-Allonorcoronamic acid using D-mannitol as the chiral source-Science-Chemical Encyclopedia-lookchem

A straightforward synthesis of (−)-(1S,2R)-Allonorcoronamic acid using D-mannitol as the chiral source
Add time:08/12/2019 Source:sciencedirect.com

(−)-(1S,2R)-Allonorcoronamic acid was synthesized in its enantiomerically pure form from methyl(1S,2R)-1-benzamido-2-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]cyclopropanecarboxylate, which is easily obtained by methylene insertion on the chiral azlactone derived from 1,2-O-isopropylidene-D-glyceraldehyde.

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