Reaction of Boric Acid with Polysaccharides


MANY polyhydroxy compounds of low molecular weight are known to form complexes with boric acid in aqueous solutions, as numerous investigations (Böeseken et al.) have shown. These complexes are much more easily obtained from cyclic glycols possessing the cis configuration than from the trans isomers. One boric acid molecule may react with either one or two 1,2-glycol molecules ; in the latter case a ‘boron ‘spirane is formed.

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DEUEL, H., NEUKOM, H. & WEBER, F. Reaction of Boric Acid with Polysaccharides. Nature 161, 96–97 (1948).

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