Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1166902Generated: October 25, 2026

Iodoethane → 2-Ethyl-5-methylbenzo[b]thiophene

https://huagongshe.com/reaction/1166902

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIodoethaneHCID 6340—
Reactant5-Methylbenzo(b)thiopheneHCID 84346—
ReactantHCID 178418306HCID 178418306—
SolventTetrahydrofuranHCID 8028—
Product2-Ethyl-5-methylbenzo[b]thiopheneHCID 595344—

Reaction Steps

2-ethyl-5-methylbenzo[b]thiophene was prepared in the same manner as described in Example 40A. Reaction of 5-methylbenzo[b]thiophene (3.4 mmoles, 0.50 g), t-BuLi (1.7 m, 5.1 mmoles, 3.0 ml) and ethyl iodide (6.8 mmoles, 0.54 ml) in THF (10 ml) yielded 0.58 g (97%) of a light yellow liquid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06613804B2
Source datasetuspto-grants-2003_09
ORD IDord-384fc3884e1d4a83b98742c0b678d0e5
Source noteuspto-grants-2003_09