Tetrahedron Letters p. 6777 - 6780 (1998)
Update date:2022-08-11
Topics:
Chaplin, David A.
Johnson, Nicholas B.
Paul, Jane M.
Potter, Gerard A.
Racemic narwedine may be resolved by means of a dynamic diastereomeric salt formation using di-p-toluoyl-D-tartaric acid. Both the 1:1 and 2:1 salts are formed in excellent yields and diastereomeric excesses. These salts are reduced in a highly diastereoselective and chemoselective manner to give (- )-galanthamine.
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