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Q.

Who discovered/invented the Aspirin?

Tags: aspirin
Asked by Alka, 02 Apr '08 07:32 pm
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Answers (7)

 
1.

Felix Hoffman , a German chemist
Answered by GOPI KUMAR, 02 Apr '08 07:34 pm

 
  
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2.

Nice one
Answered by mohd yousuf, 04 Apr '08 07:28 pm

 
  
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3.

The Greek physician Hippocrates wrote in the 5th century BC about a bitter powder extracted from willow bark that could ease aches and pains and reduce fevers. This remedy was also mentioned in texts from ancient India, Sumer, Lebanon, and Assyria. The Cherokee and other Native Americans used an infusion of the bark for fever and other medicinal purposes for centuries. The medicinal part of the plant is the inner bark and was used as a pain reliever for a variety of ailments. The Reverend Edward (Edmund) Stone, a vicar from Chipping Norton, Oxfordshire, England, noted in 1763 that the bark of the willow was effective in reducing a fever.

The active extract of the bark, called salicin, after the Latin name for the white willow (Salix alba), was isolated in crystalline form in 1828 by Henri Leroux, a French pharmacist, and Raffaele Piria, an Italian chemist. Piria was able to convert the substance into a sugar and a second component, which on oxidation becomes salicylic acid.

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Answered by Shahryar Pax, 02 Apr '08 08:29 pm

 
  
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4.

The wonder-drug was discovered by Dreser (Germany) in 1889
Answered by Anil K Chugh, 02 Apr '08 07:33 pm

 
  
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5.

felix hoffman.....from bayer
Answered by mahima mishra, 06 Apr '08 01:13 pm

 
  
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6.

RESEARCHER
Answered by myshade, 02 Apr '08 07:32 pm

 
  
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7.

French chemist, Charles Frederic Gerhardt, was the first to prepare acetylsalicylic acid (named aspirin in 1899) in 1853. In the course of his work on the synthesis and properties of various acid anhydrides, he mixed acetyl chloride with a sodium salt of salicylic acid (sodium salicylate). A vigorous reaction ensued, and the resulting melt soon solidified.[4] Since no structural theory existed at that time Gerhardt called the compound he obtained "salicylic-acetic anhydride" (wasserfreie Salicylsure-Essigsure). When Gerhardt tried to dissolve the solid in a diluted solution of sodium carbonate it immediately decomposed to sodium salts of salicylic and acetic acids.[4] This preparation of aspirin ("salicylic-acetic anhydride") was one of the many reactions Gerhardt conducted for his paper on anhydrides, and he did not pursue it further.

Six years later, in 1859, von Gilm obtained analytically pure acetylsalicylic acid (which he called "acetylirte Salicyl ...more
Answered by Naimisha, 02 Apr '08 10:14 pm

 
  
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Aspirin, or acetylsalicylic acid (IPA: [stlslslk sd]), (acetosal) is a drug in the family of salicylates, often used as an analgesic (to relieve minor..more

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