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Ketonucleosides stereospecific reduction

The stereospecificity of the reduction of these hexosulose nucleosides, trans to the aglycon, parallels previous observations62-64 with several hexopyranosulose derivatives. Attempted, similar reduction of the unprotected 2 -ketonucleoside 36a gave 7-(6-deoxy-/ -L-talopyranosyl)-theophylline (87) in 60% yield. This lesser stereospecificity may be ex-... [Pg.254]

See also in sourсe #XX -- [ Pg.252 , Pg.253 , Pg.254 , Pg.255 , Pg.256 ]

See also in sourсe #XX -- [ Pg.42 , Pg.252 , Pg.253 , Pg.254 , Pg.255 , Pg.256 ]

See also in sourсe #XX -- [ Pg.4 , Pg.253 ]

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Ketonucleosides

Reduction stereospecific