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542741 Sigma-Aldrich

5-Bromothiophene-2-sulfonamide

97%

  • CAS Number 53595-65-6

  • Empirical Formula (Hill Notation) C4H4BrNO2S2

  • Molecular Weight 242.11

  •  MDL number MFCD00067990

  •  PubChem Substance ID 24878630

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Properties

Related Categories Building Blocks, C4 to C6, Chemical Synthesis, Halogenated Heterocycles, Heterocyclic Building Blocks,
InChI Key   WXJQQLDICAOBJB-UHFFFAOYSA-N
assay   97%
mp   138-142 °C (lit.)

Description

Packaging

1 g in glass bottle

Application

5-Bromothiophene-2-sulfonamide may be used to synthesize:
• 5-(phenylthio)thiophene-2-sulfonamide
• 5-bromothiophene-2-sulfonyl acetamide
• 5-arylthiophene-2-sulfonylacetamide derivatives

It may also be used in the preparation of the following 5-arylthiophene-2-sulfonamides:
• 5-phenylthiophene-2-sulfonamide
• 5-(3-cyno-5-(trifluoromethyl)phenyl)thiophene-2-sulfonamide
• 5-(3,5-bis(trifluoromethyl)phenyl)thiophene-2-sulfonamide
• 5′-chloro-2,2′-bithiophene-5-sulfonamide
• 5′-methyl-2,2′-bithiophene-5-sulfonamide
• 5-p-tolylthiophene-2-sulfonamide
• 5-(4-methoxyphenyl)thiophene-2-sulfonamide
• 5-(4-chlorophenyl)thiophene-2-sulfonamide
• 5-(3,4-dichlorophenyl)thiophene-2-sulfonamide
• 5-(3,5-dimethylphenyl)thiophene-2-sulfonamide
• 5-(4-chloro-3-fluorophenyl)thiophene-2-sulfonamide

General description

5-Bromothiophene-2-sulfonamide can be synthesized by reacting 5-bromothiophene-2-sulfonyl fluoride with ammonium hydroxide in 2-methyltetrahydrofuran.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

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Protocols & Articles
Peer-Reviewed Papers
15

References

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