Process for preparing 2-alkyl-3-aryl- and...

Details Process for preparing 2-alkyl-3-aryl- and... Process for preparing 2-alkyl-3-aryl- and...

2006-07-11

2006-07-11

Saeed, Kamal A. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07074941

ABSTRACT:
2-Alkyl-3-aryl- or -heteroaryloxaziridines are prepared in a particularly advantageous manner by oxidizing corresponding N-alkyl-aryl- or -heteroarylaldimines with an aromatic percarboxylic acid or a salt thereof in the presence of water, a water-soluble base, and a water-miscible solvent, at temperatures below 30° C. Using this method, it is also possible to obtain novel 2-alkyl-3-aryloxaziridines.

REFERENCES:
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patent: 00/02848 (2000-01-01), None
J. Chem. Soc. Perkin Trans., 1, (month unavailable) 1990, pp. 301-306, Derek R. Boyd, Peter B. Coulter, M. Rosaleen McGucking, Narain D. Sharma, W. Brian Jennings and Valerie E. Wilson, “Imines and Derivatives. Part 24. Nitrone Synthesis by Imine Oxidation using either a Peroxyacid or Dimethyldioxirane”.
Tetrahedron Letters, No. 28 (month unavailable) 1974, pp. 2453-2456, T. Polonski and A. Chimiak, “Oxidation of Amino Acid Esters Into N-Hydroxyamino Acid Derivatives”.
J. Am. Chem. Soc., vol. 79, Oct.-Dec. 1957, p. 5749, “Preparation and Properties of Oxaziranes”.
J. Chem. Soc. Perkin Trans. 1, (month unavailable) 1990, Toru Minami, Kazunari Hirakawa, Shinichiro Koyanagi, Seigo Nakamura and Masahiko Yamaguchi, “A New Synthesis of α-Methylene Lactones”.
Kloc, K. et al: “Synthesis of 2-alkyl-3-aryloxaziridines” Synthesis, Nr. 12, Dec. 1987, Seiten 1084-1087, XP002180898.

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