The diastereoselectivities of chiral acyl nitroso dienophiles derived from optically pure N-protected alpha-amino hydroxamic acids have been determined in intermolecular hetero Diels-Alder reactions. The cycloaddition reactions afforded synthetically useful quantities of functionally rich, optically pure cycloadducts, useful for the preparation of a variety of compounds of potential biological interest. Molybdenum hexacarbonyl reduction of the cycloadducts gave optically pure allylic alcohols. Osmium tetraoxide-catalyzed dihydroxylation of several bis-allylically substituted intermediates gave only the diastereomerically pure diols corresponding to naturally occurring 2',3'-dihydroxynucleoside analogs.
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UNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCEUNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCE
BROUILLARDPOICHET, A
DEFOIN, A
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UNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCEUNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCE
DEFOIN, A
STREITH, J
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UNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCEUNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCE
机构:
UNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCEUNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCE
BROUILLARDPOICHET, A
DEFOIN, A
论文数: 0引用数: 0
h-index: 0
机构:
UNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCEUNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCE
DEFOIN, A
STREITH, J
论文数: 0引用数: 0
h-index: 0
机构:
UNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCEUNIV HAUTE ALSACE,ECOLE NATL SUPER CHIM,3 RUE ALFRED WERNER,F-68093 MULHOUSE,FRANCE