发明名称 PERFECCIONAMIENTOS EN LA PATENTE DE INVENCION N.544661 POR: PROCEDIMIENTO DE PREPARAZCION DE ASCORBATOS ANTAGONISTAS H2-RECEPTORES.
摘要 <p>H2-receptor antagonist ascorbate compounds, derived from the lactone form of 3-ketohexuronic acid of Formula <IMAGE> where (X) may be 1, 2 or 3 and (Y) may be 1 or 2, R1 and R2 are both hydrogen or R1 may be hydroxyl, R2 hydrogen or the O-alkylidene, 5,6-diacyl, 6-acyl derivatives thereof having two to sixteen carbon atoms, or a 6-phosphate, R3 being an organic base or a salt thereof having one or more basic functional groups, having H2-receptor antagonist properties and capable of reacting with nitrous acid, and a process for the preparation of said compounds.</p>
申请公布号 ES550690(D0) 申请公布日期 1987.03.16
申请号 ES19900005506 申请日期 1986.01.07
申请人 BARISINTEX SA 发明人
分类号 C07D233/54;C07D277/44;C07D285/10;C07D307/52;C07D307/62;C07D405/14;(IPC1-7):C07D307/62;C07H7/033;A61K31/375 主分类号 C07D233/54
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