Add time:07/25/2019         Source:sciencedirect.com

Based on reaction of (+)- or (-)-dimenthyl phosphite with trifluoroacetonitrile the synthesis of optically active O,O-dimenthyl α-iminotrifluoroethylphosphonates was developed. The synthetic potential of these novel chiral synthons was demonstrated by their easy diastereoselective functionalization (hydrogenation, proline-catalyzed Mannich reaction with acetone, aza-Henry reaction, aminoalkylation of electron-rich heterocycles) to afford optically active compounds bearing biorelevant (α-trifluoromethyl-α-amino)methylphosphonic residue.

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