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Facile enantioselective synthesis of (S)-Rivastigmine and (+)-NPS-R- 568 a calcimimetic agent
Author(s): Veera Reddy. Arava*, Laxminarasimhulu. Gorentla and P. K. Dubey
A practical and convenient procedure for the synthesis of enantioselective (S)-Rivastigmine and (+)-NPS-R-568 a potent calcimimetic agent is accomplished by the treatment of (S) and (R)-tertbutanesulfinamides respectively with 3-methoxyacetophenone. This protocol provides high yield and excellent enantiomeric excess in short step synthesis.