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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 506186Generated: October 26, 2026

2,4,5-Trimethylpyridine → Benzofuran-5-ol

https://huagongshe.com/reaction/506186

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4,5-TrimethylpyridineHCID 14280—
Reactant5-MethoxybenzofuranHCID 25943—
ReactantLithium iodideHCID 66321—
ProductBenzofuran-5-olHCID 11651159—

Reaction Steps

5-Methoxybenzofuran was treated with 2,4,5-collidine and LiI at 170° C. to provide benzofuran-5-ol, which was reacted with 2-chloroethyl-p-toluenesulfonate and Cs2CO3 to give 5-(2-chloroethoxy)-1-benzofuran.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07781591B2
Source datasetuspto-grants-2010_08
ORD IDord-2060e06ae984460ca08857a73c4aef75
Source noteuspto-grants-2010_08