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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 259254Generated: October 30, 2026

20771-96-4 → 8-Methyl-1-oxo-1H-2-benzopyran-3-carboxylic acid

https://huagongshe.com/reaction/259254

Reaction equation

Participants

RoleNameHCIDCharge
Reactant20771-96-4HCID 21518594—
SolventWater ethanolHCID 19096565—
Product8-Methyl-1-oxo-1H-2-benzopyran-3-carboxylic acidHCID 21423676—

Reaction Steps

8- Methylisocoumarin -3- carboxylic acid, mp. (EtOH-H2O) 236°-7°, (Found: C, 64.66; H, 3.95. C11H8O4 requires C, 64.70; H, 3.95), was prepared from 2 -carboxy -3- methylbenzaldehyde by an analogous procedure to that described in Example 1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04036964
Source datasetuspto-grants-1977_07
ORD IDord-c81ddb893be643b98d1154fd55cea6d5
Source noteuspto-grants-1977_07