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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1969154Generated: October 30, 2026

Boron tribromide → HCID 136407401, compound

https://huagongshe.com/reaction/1969154

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron tribromideHCID 25134—
ReactantHCID 66995397HCID 66995397—
SolventDichloromethaneHCID 6344—
ProductHCID 136407401HCID 136407401—

Reaction Steps

Under ice-cooling, boron tribromide was added to a dichloromethane solution of ethyl 3-(3-cyano-4-methoxyphenyl)isothiazole-5-carboxylate, followed by stirring for 1 hour and then stirring at 40° C. for 3 hours to obtain ethyl 3-(3-cyano-4-hydroxyphenyl)isothiazole-5-carboxylate. AP: 297.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08426453B2
Source datasetuspto-grants-2013_04
ORD IDord-7820401a607c413f829c7af1c90734a8
Source noteuspto-grants-2013_04