Zakaszewska A, Najda-Mocarska E, Makowiec S. A new approach to the stereoselective synthesis of trans-3-carbamoyl-β-lactam moieties.
NEW J CHEM 2017. [DOI:
10.1039/c7nj00445a]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Optically active 1,4-disubstituted-3-carbamoyl-azetidinones are synthesized from 5-[(N-arylamino)(hydroxyl)methylene]-2,2-dimethyl-1,3-dioxa-4,6-diones and chiral aldimines via thermal generation of carbamoyl ketenes and subsequent [2+2] cycloaddition.
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