acetylsalicylic acid उदाहरण वाक्य
उदाहरण वाक्य
- An excess of acetylsalicylic acid is used in the first step, because it eliminates the possibility of unreacted carbonate anions precipitating the copper in this step.
- For example, the drug " acetylsalicylic acid " ( 2-acetoxybenzoic acid ) is better known as " aspirin " in the United States a generic term.
- A less corrosive compound of salicylic acid, acetylsalicylic acid, produced by reacting sodium salicylate with acetyl chloride, was developed from 1897 by Felix Hoffmann and Arthur Eichengr�n.
- On Aug . 10, 1897, Hoffman, a young researcher at Germany's Bayer chemical company, synthesized a stable form of the compound called acetylsalicylic acid, aspirin's active ingredient.
- It can also be prepared by the hydrolysis of aspirin ( acetylsalicylic acid ) or methyl salicylate ( oil of wintergreen ) with a strong acid or base.
- In 1897, pharmacist and chemist Felix Hoffmann managed to process acetylsalicylic acid ( ASA ) that was chemically pure and stable as well as well tolerated for patients.
- They each implied that they were superior to aspirin, which is acetylsalicylic acid _ which was synthesized by Felix Hoffmann, a Bayer chemist, on Aug . 10, 1887.
- One hundred years ago the foul-tasting bark extract was transformed by the young German chemicals industry into pure white tablets of acetylsalicylic acid _ launched by Bayer in 1899 as aspirin.
- Aspirin ( acetylsalicylic acid or ASA ) can be prepared by the esterification of the phenolic hydroxyl group of salicylic acid with the acetyl group from acetic anhydride or acetyl chloride.
- In 1897, scientists at the drug and dye firm Bayer began investigating acetylsalicylic acid as a less-irritating replacement for standard common salicylate medicines, and identified a new way to synthesize it.