Sulfonamides Stocks List
Related Industries: Biotechnology
Symbol | Grade | Name | Weight | |
---|---|---|---|---|
IDNA | D | iShares Genomics Immunology and Healthcare ETF | 3.79 | |
FBT | D | First Trust Amex Biotech Index Fund | 3.22 | |
BIS | A | ProShares UltraShort Nasdaq Biotechnology | 2.09 | |
BBH | D | Market Vectors Biotech ETF | 1.84 | |
BBP | D | BioShares Biotechnology Products Fund | 1.73 |
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- Sulfonamides
In chemistry, the sulfonamide functional group (also spelled sulphonamide) is -S(=O)2-NH2, a sulfonyl group connected to an amine group. Relatively speaking this group is unreactive. The amine center is no longer basic. The S-N bond is cleaved only with difficulty. Because of the rigidity of the functional group, sulfonamides are typically crystalline. For this reason, the formation of a sulfonamide is a classic method to convert an amine into a crystalline derivative which can be identified by its melting point. Many important drugs contain the sulfonamide group.A sulfonamide (compound) is a compound that contains this group. The general formula is RSO2NH2, where R is some organic group. For example, "methanesulfonamide" is CH3SO2NH2. Any sulfonamide can be considered as derived from a sulfonic acid by replacing a hydroxyl group with an amine group. In medicine, the term "sulfonamide" is sometimes used as a synonym for sulfa drug, a derivative or variation of sulfanilamide. The first sulfonamide was discovered in Germany in 1932.
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