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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 329338Generated: October 30, 2026

Water → HCID 14129277, compound

https://huagongshe.com/reaction/329338

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantBromineHCID 24408—
ReactantEthyl 1-(2,6-dichlorophenyl)-1H-pyrazole-5-carboxylateHCID 14129276—
SolventAcetic AcidHCID 176—
ProductHCID 14129277HCID 14129277—

Reaction Steps

14.3 g of ethyl 1-(2,6-dichlorophenyl)-pyrazole-5-carboxylate from Example 4 were dissolved in 100 ml of glacial acetic acid, 10 g of Na acetate were added, and 4.5 g of bromine were added dropwise at room temperature. After 60 hours, the reaction mixture was poured into 1 liter of water, washed with water and recrystallized from ethanol. Yield: 8.2 g Melting point: 62°-65° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04891057
Source datasetuspto-grants-1990_01
ORD IDord-ea5228032cd54136b1dddf3cbd92d683
Source noteuspto-grants-1990_01