Title of article
A novel salicylaldehyde based mineral supported expedient synthesis of benzoxazinone nucleosides
Author/Authors
Yadav، نويسنده , , Lal Dhar S and Yadav، نويسنده , , Beerendra S and Rai، نويسنده , , Vijai K، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2004
Pages
3
From page
5351
To page
5353
Abstract
An expedient mineral (montmorillonite K-10 clay) catalysed cycloisomerisation of salicylaldehyde 4-(β-d-ribo- or β-d-2′-deoxyribofuranosyl)semicarbazones yields benzoxazinone nucleosides, 4-hydrazino-3,4-dihydro-3-(β-d-ribo- or β-d-2′-deoxyribofuranosyl)-2H-benz[e]-1,3-oxazin-2-ones, which readily undergo reductive dehydrazination on alumina-supported copper(II) sulfate to furnish 3,4-dihydro-3-(β-d-ribo- or β-d-2′-deoxyribofuranosyl)-2H-benz [e]-1,3-oxazin-2-ones under solvent-free microwave irradiation.
Keywords
Benzoxazinone nucleosides , Mineral supported , Microwaves , solvent-free , salicylaldehyde semicarbazones
Journal title
Tetrahedron Letters
Serial Year
2004
Journal title
Tetrahedron Letters
Record number
1842342
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