Some 3-aryl-4-methylene-5-morpholino-4,5-dihydroisoxazoles (2) were treated with 2,4-diphenyl-3-methyl-1,3-oxazolium 5-oxide (1) to give corresponding cycloaddition products, namely spiro[isoxazolo-4,3′-pyrroles](3) and (4). The steric configuration of the spiro-derivatives has been assigned on the basis of 1H and 13C n.m.r. evidence.

Cycloaddition reactions of 2,4-diphenyl-3-methyl-1,3-oxazolium 5-oxide with 4-methylene-4,5-dihydroisoxazoles: 1H and 13C nuclear magnetic resonance stereochemical assignments of the products / P. Dalla Croce, C. La Rosa, M.L. Gelmi, M. Ballabio. - In: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS II. - ISSN 0300-9580. - :3(1988), pp. 423-425.

Cycloaddition reactions of 2,4-diphenyl-3-methyl-1,3-oxazolium 5-oxide with 4-methylene-4,5-dihydroisoxazoles: 1H and 13C nuclear magnetic resonance stereochemical assignments of the products

P. Dalla Croce
Primo
;
C. La Rosa
Secondo
;
M.L. Gelmi
Penultimo
;
1988

Abstract

Some 3-aryl-4-methylene-5-morpholino-4,5-dihydroisoxazoles (2) were treated with 2,4-diphenyl-3-methyl-1,3-oxazolium 5-oxide (1) to give corresponding cycloaddition products, namely spiro[isoxazolo-4,3′-pyrroles](3) and (4). The steric configuration of the spiro-derivatives has been assigned on the basis of 1H and 13C n.m.r. evidence.
Settore CHIM/06 - Chimica Organica
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/182612
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