Reversal of stereoselectivity of Mg(II) catalysed 1,3-dipolar cycloaddition. Acceleration of cycloaddition by microwave irradiation

Tetrahedron Letters

Volumn 40, Issue 1, 1999, Pages 167-170

  Mičúch, Peter ^a   Fišera, L'ubor ^a   Cyrański, Michał K ^b   Krygowski, Tadeusz M ^b  

^a SLOVAK UNIVERSITY OF TECHNOLOGY   (Slovakia)

^b UNIVERSITY OF WARSAW   (Poland)

Author keywords

Cycloadditions; Diastereoselection; Microwave heating; Nitrile oxides

Indexed keywords

ISOXAZOLINE DERIVATIVE; MAGNESIUM ION; NITRILE; OXIDE;

ARTICLE; CATALYSIS; CHEMICAL REACTION; CYCLIZATION; DIASTEREOISOMER; DIPOLE; MICROWAVE IRRADIATION; STEREOCHEMISTRY;

EID: 0343537578     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)80049-X     Document Type: Article

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14. 3) δ 19.5, 21.1, 25.5, 26.2, 43.1, 53.2, 67.3, 70.1, 73.4, 88.9, 110.3, 125.1, 128.5, 136.6, 139.1, 158.3, 171.1
15. 13C-NMR (DMSO) δ 19.1, 20.7, 40.0, 58.9, 69.5, 82.5, 87.9, 125.0, 128.2, 136.3, 138.6, 156.8, 173.3
16. Annunziata, R; Benaglia, M.; Cinquini, M.; Cozzi, F.; Raimondi, L. J. Org. Chem. 1995, 60, 4697.