Chemistry is traditionally divided into organic and inorganic chemistry. name: 2-(Benzofuran-3-yl)acetic acid, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 64175-51-5
The benzofuran-3-acetic acids (3a-c) on treatment with pyridine N-oxide give benzofuran-3-carboxyaldehydes (5a-c) on reduction with NaBH4 in methanol yields naturally occurring benzofuran 6a which is converted into 6b and 6c by the literature method.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H2663O – PubChem