Original scientific paper

1,2-Oxazine N-Oxide Derivatives from 1-Hetera-4-Cyclohexanone Enamines and Nitroolefins. Ring-chain Tautomerism

Patricia Nitti ; Dipartimento di Scienze Chimiche, Universita, 34127 Trieste, Italy
Giuliana Pitacco ; Dipartimento di Scienze Chimiche, Universita, 34127 Trieste, Italy
Vera Rinaldi ; Dipartimento di Scienze Chimiche, Universita, 34127 Trieste, Italy
Ennio Valentin ; Dipartimento di Scienze Chimiche, Universita, 34127 Trieste, Italy

Abstract

1,2-Oxazine N-oxide condensed heterocycles have been prepared
from (E)-1-phenyl-2-nitropropene and enamines derived from 1-methyl-4-piperidone, 4H-tetrahydro-pyran-4-one and 4H- tetrahydro-thiapyran-4-one. They are more stable than the analogous systems derived from cyclohexanone enamines and just like them they are in equilibrium with their open-chain isomers.

Keywords

Hrčak ID:

177585

URI

https://hrcak.srce.hr/177585

Publication date:

16.5.1986.

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