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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 491512Generated: October 26, 2026

Thionyl Chloride → 1H-Indole-3-carbonyl chloride

https://huagongshe.com/reaction/491512

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantIndole-3-Carboxylic AcidHCID 69867—
Product1H-Indole-3-carbonyl chlorideHCID 12380278—

Reaction Steps

Indole 3-carboxylic acid, (2.0 g) was dissolved in 5 ml of SOCl2. The mixture was heated to reflux for 30 minutes. Removal of excess of SOCl2 under vacuum provided intermediate 9, indole 3-carbonyl chloride, which was carried to the next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07531552B2
Source datasetuspto-grants-2009_05
ORD IDord-3b62beb507e34530af5bba95bc121ff6
Source noteuspto-grants-2009_05