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Cobalamins organo derivatives

Reduction of cyanocobalamin (Figure 54(a) R = CN) with sodium borohydride affords a diamagnetic grey-green product (Vitamin 6x2 which reacts with acyl or alkyl halides and with olefins to give cobalamin o-organo derivatives. There has been some discussion whether Vitamin 6x2. is a cobaltCO anion or whether it is cobalamin hydride. Some of the... [Pg.244]

Reduction of cyanocobalamin with sodium borohydride or zinc and acetic acid affords a diamagnetic, grey-green product (Vitamin B12,) which reacts with acyls, alkyl halides and with olefins to ve cobalamin-[Pg.248]

See other pages where Cobalamins organo derivatives is mentioned: [Pg.384]    [Pg.385]    [Pg.637]    [Pg.637]    [Pg.6782]    [Pg.758]    [Pg.249]   
See also in sourсe #XX -- [ Pg.367 , Pg.368 , Pg.369 , Pg.370 , Pg.371 , Pg.372 , Pg.373 ]



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