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CAS 73819-76-8

:

5-ethynyl-2-benzofuran-1,3-dione

Description:
5-Ethynyl-2-benzofuran-1,3-dione, also known by its CAS number 73819-76-8, is an organic compound characterized by its unique structure that combines a benzofuran moiety with an ethynyl group and a dione functional group. This compound typically exhibits a yellow to orange color and is known for its potential applications in organic synthesis and as a building block in the development of various pharmaceuticals and agrochemicals. The presence of the ethynyl group contributes to its reactivity, allowing for further functionalization through various chemical reactions, such as cross-coupling and cycloaddition. Additionally, the dione functionality can participate in nucleophilic addition reactions, making it a versatile intermediate in synthetic chemistry. Its solubility properties may vary depending on the solvent used, and it is important to handle this compound with care due to potential toxicity and reactivity. Overall, 5-ethynyl-2-benzofuran-1,3-dione is a valuable compound in the field of organic chemistry, particularly in the synthesis of more complex molecules.
Formula:C10H4O3
InChI:InChI=1/C10H4O3/c1-2-6-3-4-7-8(5-6)10(12)13-9(7)11/h1,3-5H
SMILES:C#Cc1ccc2c(c1)C(=O)OC2=O
Synonyms:
  • 1,3-Isobenzofurandione, 5-Ethynyl-
  • 4-Ethynylphthalic Anhydride
  • 5-Ethynyl-2-benzofuran-1,3-dione
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