Intra-molecular nitrone–olefin cycloaddition of d-glucose derived allylic alcohol: synthesis of new aminocyclohexitols
摘要:
Diastereo- and regioselelective intra-molecular nitrone-olefin cycloaddition reaction of in situ generated N-benzylnitrones, obtained from D-glucose derived precursors 5a/5b furnished dihydroxy functionalized isoxazolidines. The N-O bond reductive cleavage and removal of N/O-benzyl groups led to the formation of stereochemically well defined aminocyclohexitols. (c) 2007 Elsevier Ltd. All rights reserved.
Intra-molecular nitrone–olefin cycloaddition of d-glucose derived allylic alcohol: synthesis of new aminocyclohexitols
摘要:
Diastereo- and regioselelective intra-molecular nitrone-olefin cycloaddition reaction of in situ generated N-benzylnitrones, obtained from D-glucose derived precursors 5a/5b furnished dihydroxy functionalized isoxazolidines. The N-O bond reductive cleavage and removal of N/O-benzyl groups led to the formation of stereochemically well defined aminocyclohexitols. (c) 2007 Elsevier Ltd. All rights reserved.