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Volumn 46, Issue 5, 2007, Pages 778-781

Organocatalytic enantioselective aziridination of α,β- unsaturated aldehydes

Author keywords

amino acids; Asymmetric catalysis; Aziridines; Domino reactions; Organocatalysis

Indexed keywords

ADDITION REACTIONS; AMINO ACIDS; CATALYSIS; ESTERS;

EID: 33846551705     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200603810     Document Type: Article
Times cited : (209)

References (80)
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    • for the biological properties of aziridines, see also: b T. Burrage, E. Kramer, F. Brown, Vaccine 2000, 18, 2454;
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    • We also screened the reaction with nitrogen ylides as the nitrogen-atom-transfer agents, as they have been used in NaH-promoted aziridinations of α,β-unsaturated ketones; however, the desired reaction did not proceed; see: J. Xu, P. Jiao, J. Chem. Soc. Perkin Trans. 1 2002, 1491.
    • We also screened the reaction with nitrogen ylides as the nitrogen-atom-transfer agents, as they have been used in NaH-promoted aziridinations of α,β-unsaturated ketones; however, the desired reaction did not proceed; see: J. Xu, P. Jiao, J. Chem. Soc. Perkin Trans. 1 2002, 1491.
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    • The 2-formylaziridines 3 are not particular stable and epimerize during column chromatography on silica gel. We also observed a slight decrease in the ee values at longer reaction times.
    • The 2-formylaziridines 3 are not particular stable and epimerize during column chromatography on silica gel. We also observed a slight decrease in the ee values at longer reaction times.


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