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Idose equilibrium mixture

The synthesis of deoxynitroinositols by the base-catalysed cyclization of 6-deoxy-3-0-methyl-6-nitro-D-allose (318) and -L-talose (319) has been investigated. The products shown in Scheme 113 were formed under conditions (pH 8—9) favouring kinetic control, whereas similar equilibrium mixtures of stereoisomers were obtained from (318) and (319) in strongly alkaline solutions (pH >12) that favour thermodynamic control. A related base-catalysed cyclization of 3-0-benzyl-6-deoxy-6-nitro-D-glucose and -L-idose gave mixtures of O-benzyldeoxynitroinositols. Under conditions of kinetic control, the D- / c<7-derivative furnished mainly 6-0-benzyl-3-deoxy-3-nitro-mwco-inositol... [Pg.124]

See other pages where Idose equilibrium mixture is mentioned: [Pg.256]    [Pg.16]    [Pg.35]    [Pg.58]    [Pg.137]    [Pg.175]    [Pg.738]    [Pg.23]    [Pg.37]    [Pg.159]    [Pg.161]    [Pg.58]    [Pg.32]    [Pg.12]    [Pg.163]    [Pg.105]   
See also in sourсe #XX -- [ Pg.255 ]



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Idose

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