Ascorbic acid derivatives, production and use thereof

Details Ascorbic acid derivatives, production and use thereof Ascorbic acid derivatives, production and use thereof

C - Chemistry, Metallurgy

07

D

167/245, 260/366

C07D 307/62 (2006.01) C07D 405/12 (2006.01) C07D 405/14 (2006.01) C07D 407/04 (2006.01)

Patent

CA 1293728

Abstract of the Disclosure An ascorbic acid derivative of the formula: Image [I] wherein R1 is organic residue having molecular weight of from 15 to 700, R2 is hydrogen or hydroxyl, R3 is hydrogen, acyl, optionally substituted phosphono or sulfo, and R3 and hydroxyl of R2 may form acetal residue or ketal residue, and a salt thereof are provided. The compound [I] and salts thereof have excellent prophylactic and improving actions on disorders of circulatory functions, and they are useful as agents of prophylaxis and improvement of circulatory functional disorders.

509360

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