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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 28231Generated: October 29, 2026

Hydrochloric Acid → 6-Bromo-5-chloro-2[(methylthio) (methoxy)acetyl]-3-(2-pyridyl)indole

https://huagongshe.com/reaction/28231

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantWaterHCID 962—
ReactantSch 24937HCID 173465—
SolventTetrahydrofuranHCID 8028—
Product6-Bromo-5-chloro-2[(methylthio) (methoxy)acetyl]-3-(2-pyridyl)indoleHCID 20530426—

Reaction Steps

Add 2 ml of concentrated hydrochloric acid to 6-bromo-5-chloro-2[(methylsulfinyl)acetyl]-3-(2-pyridyl)indole (5.0 g) in 50 ml of methanol and 50 ml of tetrahydrofuran, warm the mixture to 60° for 2 hours. Cool, add water and the resulting solid is collected and dried to obtain 6-bromo-5-chloro-2[(methylthio)(methoxy)acetyl]-3-(2-pyridyl)indole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04225711
Source datasetuspto-grants-1980_09
ORD IDord-87e8159487e44a049aa2a518fdc3d931
Source noteuspto-grants-1980_09