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Lithium tri- n-butyl borohydride showed high selectivity in the reduction of α- and β-oxygenated ketones, giving a preponderance of the chelation controlled products.

In this paper, the volume change on polysaccharide gels in non solvent mixtures is investigated. No phase transition is observed. A reversible decrease of the swelling volume is obtained directly related to the mechanical properties of the gels and to the charge parameters of the polymers. The effect of deswelling in presence of acetone or alcohol is increasing from agarose, k-carrageenan and i-carrageenan.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.