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5a-Carba-hexopyranoses

Gomez, A M, Danelon, G O, Moreno, E, Valverde, S, Lopez, J C, A novel entry to 5a-carba-hexopyranoses from carbohydrates based on a 6-exo-dig radical cyclization synthesis of 5a-carba-beta-D-mannopyranose pentaacetate, Chem. Commun., 175-176, 1999. [Pg.396]

As summarized in Scheme 37, gulo- and allo-configured l-amino-5a-carba-P-D-hexopyranoses 228 and 231, as well as the related amino acid counterparts, 229 and 232, sprang from the common lactam intermediate 224. The preparation of aldehyde 224 from silyloxypyrrole 76 and D-glyceraldehyde 11 entailed a Lewis acid promoted vinylogous cross aldolization followed by functional group manipulation, including olefin... [Pg.483]

See other pages where 5a-Carba-hexopyranoses is mentioned: [Pg.35]    [Pg.35]   
See also in sourсe #XX -- [ Pg.13 , Pg.190 , Pg.191 , Pg.192 , Pg.193 , Pg.194 , Pg.195 , Pg.196 , Pg.197 , Pg.198 , Pg.199 , Pg.200 , Pg.201 , Pg.202 , Pg.203 , Pg.204 , Pg.205 , Pg.206 ]



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