H Sierakowski

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Spectrophotometric titration in the ultraviolet has been employed to determine the pK values for dissociation of the sugar hydroxyls in pyrimidine arabinonucleosides and some of their O'-methyl and O'-ethyl derivatives. The order of dissociation of the sugar hydroxyls in the arabinofuranose ring was 2'-OH greater than 3'-OH greater than 5'-OH. The higher(More)
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