TH5970B - Procedures for the preparation of a new type of 1-alkyl sulstitutate benzimidazole derivative. - Google Patents

Abstract

A novel 1-alkyl sulstiutated benzimidazole derivative and its salt formed by the addition of a pharmaceutically accepted acidity of a substance. that has the property of resisting histamine Mixture containing Substances and methods for treating allergies in warm-blooded animals, patent drug

Claims (1)

1. Procedures for the preparation of chemical compounds of formula (I) (chemical formula) salts formed by the addition of a pharmaceutical acceptable acid and steroid. Any form of Rio isomer of that substance, which (chemical formula) for which -A1-A2-A3-A4-, B, G, R, R1 and n is synonymous with Defined above, or salt converts formula compounds (I) into compounds of each other. According to the process of changing at Known in the arts and science and if desired, the compound of the formula (I) is converted into a salt produced by the Add acid without toxic. Which has therapeutic effects by action With the appropriate acid or vice versa, the resulting salt conversion From adding acid to form Free bases, performed on alkali and / or isomer's formations that About the stereochemicals of that substance (1 claim, 10 pages, 0 pictures)