Polymorphism of Inosine. III. The Equilibrium for the Inosine–Dimethyl Sulfoxide–Water System

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概要

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• The phase diagram for the inosine–dimethyl sulfoxide–water system was determined at 30 °C. Inosine in the α-form is more soluble than that in the β-form in aqueous DMSO. The difference in the solubilities between the two forms is small when the concentration of DMSO is below 50%. However, it becomes several times larger in 70% DMSO than in water. This is the reason why inosine in the β-form is often obtainable with ease from 70% DMSO in the absence of seed β-crystals, while it is with difficulty obtained only from water. When the concentration of DMSO becomes higher than 82%, a new solid phase is obtained. It consists of inosine with two mol of DMSO of crystallization. Inosine in the β-form is also obtainable with ease through the decomposition of these new crystals.

• 公益社団法人 日本化学会の論文

著者

• Hara Kentaro

  Central Research Laboratories, Ajinomoto Co., Inc.

• Suzuki Yoshihisa

  Central Research Laboratories, Ajinomoto Co., Inc.

関連論文

• Polymorphism of Inosine. III. The Equilibrium for the Inosine–Dimethyl Sulfoxide–Water System
• A Study of the Molecular Compound between Inosine and Tryptophan
• Some Properties of the Salt between Inosine and L-Lysine
• The Formation of Crystalline Complexes between Inosine and Several Hydroxybenzoic Acids
• The Formation of Crystalline Molecular Complexes between Inosine and Several Phenols
• The Isomerization of Purine Nucleosides in a Dilute Alkaline Solution

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