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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1481685Generated: October 30, 2026

Iodoethane → 1-ETHYL-1H-INDOLE-5-CARBONITRILE

https://huagongshe.com/reaction/1481685

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIodoethaneHCID 6340—
ReactantSodium hydrideHCID 24758—
ReactantIndole-5-carbonitrileHCID 27513—
SolventDimethylformamideHCID 6228—
Product1-ETHYL-1H-INDOLE-5-CARBONITRILEHCID 11708131100%

Reaction Steps

To a solution of 1H-indole-5-carbonitrile (2.0 g, 14.1 mmol) in DMF (30 mL) was added NaH (60% suspension in mineral oil, 0.81 g, 20.3 mmol, 1.4 eq) at 0° C. The mixture was stirred at 0° C. for 30 min before EtI (1.35 mL, 16.9 mmol, 1.2 eq) was added. The reaction was allowed to warm to room temperature and stirred overnight. The reaction was quenched with H2O then extracted by Et2O (3×40 mL). The combined organic layers were washed with H2O (50 mL) then dried over Na2SO4. The solvent was removed to afford crude product (2.57 g, ca. 14.1 mmol) which was used in the next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09409905B2
Source datasetuspto-grants-2016_08
ORD IDord-7415680391c948f8b8745a89485f993b
Source noteuspto-grants-2016_08