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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1166903Generated: October 25, 2026

Dimethylformamide → 2-Ethyl-5-methylbenzo[b]thiophene-3-sulfonylchloride

https://huagongshe.com/reaction/1166903

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantSulfuryl chlorideHCID 24648—
Reactant2-Ethyl-5-methylbenzo[b]thiopheneHCID 595344—
Product2-Ethyl-5-methylbenzo[b]thiophene-3-sulfonylchlorideHCID 22998437—

Reaction Steps

2-ethyl-5-methylbenzo[b]thiophene-3-sulfonylchloride was prepared in the same manner as described in Example 40B. Reaction of DMF (6.5 mmoles, 0.50 ml), sulfurylchloride (5.5 mmoles, 0.44 ml) and 2-ethyl-5-methylbenzo[b]thiophene (3.2 mmoles, 0.57 g) yielded, after flash chromatography, using 2% ethyl acetate/hexanes, 0.58 g (66%) of an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06613804B2
Source datasetuspto-grants-2003_09
ORD IDord-37b90b7045074b1485a4529e85cb04fa
Source noteuspto-grants-2003_09