Synergistic combination of (R,S)alpha-fluoromethylhistidine and cimetidine as an anti-ulcer agent
申请人:Merck & Co., Inc.
公开号:EP0046290A1
公开(公告)日:1982-02-24
There is disclosed a novel combination of two known compounds, (R,S)α-fluoromethylhistidine and cimetidine, which has surprisingly been found to synergistically reduce gastric ulcer incidence and histamine levels when administered to animals. Compositions containing the synergistic combinations are also disclosed.
Oral absorption enhancement of carboxylic acid pharmaceuticals using (5-alkyl-2-oxo-1,3-dioxolen-4-yl)methyl ester group
申请人:Merck & Co., Inc.
公开号:EP0070013A1
公开(公告)日:1983-01-19
The (5-R-2-oxo-1,3-dioxolen-4-yl)methyl moiety:
wherein R is loweralkyl of 1-6 carbon atoms, especially methyl or t-butyl; when utilized as an ester on a pharmaceutical having a carboxylic acid functionality, enhances oral absorption of the pharmaceutical. This effect is applicable to a broad range of pharmaceutically active substances, including antibiotics, and antihypertensives as well as other classes of therapeutic agents.
(5-R-2-氧代-1,3-二氧戊环-4-基)甲基:
其中 R 是 1-6 个碳原子的低级烷基,特别是甲基或叔丁基;当作为酯用于具有羧酸官能团的药物时,可促进药物的口服吸收。这种效果适用于多种药物活性物质,包括抗生素、抗高血压药以及其他类别的治疗剂。