1-Substituted morpholino ethenes—III: Carbocyclic and aliphatic heterocyclic compounds from 5-membered ring derivatives |
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Authors: | F. Benedetti G. Pitacco E. Valentin |
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Affiliation: | Istituto di Chimica, Università, 34127 Trieste, Italy |
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Abstract: | [4+2] Cycloaddition reaction of 1-(cyclopenten-1-y1)-1-morpholino ethene with β-nitrostyrene leads to tetrahydroindan and tetrahydroindanone derivatives. A [4+2] adduct of interest is also obtained in the reaction of the same substrate with mesyl chloride. Reactivity of the same electrophiles with the morpholino enamine of cyclopentyl-methyl ketone is also examined. Some stereochemical aspects of the above mentioned reactions are discussed. |
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