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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1070744Generated: October 30, 2026

Triethylamine → 2,3-Dihydro-1H-indole-1-carbonyl chloride

https://huagongshe.com/reaction/1070744

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantIndolineHCID 10328—
ReactantDiphosgeneHCID 10426—
SolventDichloromethaneHCID 6344—
Product2,3-Dihydro-1H-indole-1-carbonyl chlorideHCID 22390768—

Reaction Conditions

Temperature0 °C

Reaction Steps

22.5 mmol of diphosgene dissolved in 90 ml of dichloromethane are cooled to 0° C.; there are then added 45 mmol of indoline, and then 67.5 mmol of triethylamine, while maintaining the temperature at 0° C. After 12 hours at ambient temperature, the mixture is filtered and the filtrate is concentrated under reduced pressure.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06903103B2
Source datasetuspto-grants-2005_06
ORD IDord-12cdfcd323b24e0d8ef491d8ed456d0a
Source noteuspto-grants-2005_06