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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2218538Generated: November 1, 2026

2-Chlorobenzoyl chloride → HCID 9836557, compound

https://huagongshe.com/reaction/2218538

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chlorobenzoyl chlorideHCID 69110—
Reactant3-Amino-7-hydroxy-2H-1-benzopyran-2-oneHCID 57345854—
SolventHydrochloric AcidHCID 313—
ProductHCID 9836557HCID 983655754.8%

Reaction Steps

2-Chlorobenzoyl chloride (23.0 mg, 0.291 mmol) was added to a mixture of 3-amino-7-hydroxy-2H-1-benzopyran-2-one (50.0 mg, 0.282 mmol), and the mixture was stirred at room temparature for 1 hour. 1N hydrochloric acid (10 ml) was added, and the mixture was stirred. The precipitated crystal was filtered and washed successively with water and diisopropyl ether to give the title compound as a light brown crystal (48.8 mg, 54.8%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07411076B2
Source datasetuspto-grants-2008_08
ORD IDord-92ea5e4589884df097c827e6ff95bb8c
Source noteuspto-grants-2008_08