Title of article
Synthesis of oxa-aza spirobicycles by intramolecular hydrogen abstraction promoted by N-radicals in carbohydrate systems
Author/Authors
Freire، نويسنده , , Raimundo and Mart??n، نويسنده , , Angeles and Pérez-Mart??n، نويسنده , , Inés and Su?rez، نويسنده , , Ernesto، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2002
Pages
4
From page
5113
To page
5116
Abstract
The preparation of 1-oxa-6-azaspiro[4.4]nonane, 1-oxa-6-azaspiro[4.5]decane, 6-oxa-1-azaspiro[4.5]decane, and 1-oxa-7-azaspiro[5.5]undecane ring systems by 1,6- and 1,7-hydrogen atom transfer promoted by phosphoramidyl radicals in carbohydrate models is described. The N-radicals are generated by reaction of dibenzyl phosphoramidate derivatives of C-glycosides with (diacetoxyiodo)benzene and iodine through an homolytic fragmentation of iodoamide intermediates.
Journal title
Tetrahedron Letters
Serial Year
2002
Journal title
Tetrahedron Letters
Record number
1652695
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