申请人:Pfizer Inc.
公开号:US04368330A1
公开(公告)日:1983-01-11
5,6-Anhydro-L-ascorbic acid, 5,6-anhydro-D-erythorbic acid and salts thereof are disclosed. Such compounds are useful intermediates in the preparation of 6-deoxy-6-substituted-L-ascorbic acid and 6-deoxy-6-substituted-D-erythorbic acid, which are useful as antioxidants. Novel 6-deoxy-6-substituted-L-ascorbic and -D-erythorbic acid derivatives are also disclosed.
本文披露了5,6-脱水-L-抗坏血酸、5,6-脱水-D-赤葡萄糖酸及其盐。这些化合物在制备6-去氧-6-取代-L-抗坏血酸和6-去氧-6-取代-D-赤葡萄糖酸的过程中是有用的中间体,这些物质作为抗氧化剂具有用途。此外,还披露了新颖的6-去氧-6-取代-L-抗坏血酸和-D-赤葡萄糖酸衍生物。