Compound Q&A
How is 5-Ethynyl-2-benzofuran-1,3-dione (CAS: 73819-76-8) typically synthesized?
Answer
5-Ethynyl-2-benzofuran-1,3-dione is commonly synthesized via a multi-step process involving the formation of a benzofuran ring followed by alkylation and acylation. The reaction typically uses acetic anhydride and ethynylbenzene as the key reagents, with a Lewis acid like aluminum chloride as a catalyst. The yield is generally around 70-80%.
About
CAS No
73819-76-8
English Name
5-Ethynyl-2-benzofuran-1,3-dione
Molecular Formula
C10H4O3
Molecular Weight
172.14 g/mol
SMILES
C#CC1=CC2=C(C=C1)C(=O)OC2=O
InChIKey
DXJLXGJIZZNCBO-UHFFFAOYSA-N
Last Updated: 2025-10-13 11:18
