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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 863694Generated: October 30, 2026

Water → HCID 15063386, compound

https://huagongshe.com/reaction/863694

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium hydrideHCID 24758—
ReactantEthyl indole-2-carboxylateHCID 73125—
ReactantEthyl 5-bromovalerateHCID 84580—
SolventDimethylformamideHCID 6228—
ProductHCID 15063386HCID 1506338682.6%

Reaction Steps

A solution of 18.9 g of ethyl indole-2-carboxylate in 100 ml of dimethylformamide was added to a suspension of 2.64 g of sodium hydride in 50 ml of dimethylformamide. After 1 hour, a solution of 20.9 g of ethyl 5-bromovalerate in 100 ml of dimethylformamide was added dropwise. After 48 hours, the mixture was poured into water, extracted with dichloromethane and the combined dichloromethane extracts were washed with water, dried and concentrated to give 26.2 g of ethyl 1-(4-ethoxycarbonylbutyl)indole-2-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05721245
Source datasetuspto-grants-1998_02
ORD IDord-fe8c0d6ac6fd4942b48145b3bfa572c2
Source noteuspto-grants-1998_02