Title of article
A novel 2:1 cycloadduct of dimethyl acetylenedicarboxylate with 3,5-diphenyl-4-methoximino-4H-pyrazole 1,2-dioxide
Author/Authors
Kilpatrick، نويسنده , , Andre L. and Nagulapalli، نويسنده , , Kalyan and Esken، نويسنده , , Joel M. and Ferrence، نويسنده , , Gregory M. and Hansen، نويسنده , , John F.، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2003
Pages
3
From page
3789
To page
3791
Abstract
Two equivalents of dimethyl acetylenedicarboxylate react with 3,5-diphenyl-4-methoximino-4H-pyrazole 1,2-dioxide in acetonitrile under reflux. The major product was shown by X-ray analysis to be a 5,8-epoxyisoxazolo[2,3-d]-[1,4]-diazepine derivative.
Keywords
Alkynes , Cycloadditions , Isoxazolines , pyrazoles , N-oxides , Rearrangements
Journal title
Tetrahedron Letters
Serial Year
2003
Journal title
Tetrahedron Letters
Record number
1662055
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