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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2398751Generated: October 29, 2026

Thionyl Chloride → Ethyl 4-(chloromethyl)-1,2,5-trimethylpyrrole-3-carboxylate

https://huagongshe.com/reaction/2398751

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantEthyl 4-(hydroxymethyl)-1,2,5-trimethylpyrrole-3-carboxylateHCID 13051083—
SolventBenzeneHCID 241—
ProductEthyl 4-(chloromethyl)-1,2,5-trimethylpyrrole-3-carboxylateHCID 20528801—

Reaction Steps

1.0 g of ethyl 4-(hydroxymethyl)-1,2,5-trimethylpyrrole-3-carboxylate is dissolved in 15 ml of benzene and 0.6 g of thionyl chloride is added dropwise and after total addition the reaction mixture is stirred for 3.5 hours at ambient temperature. The benzene is removed in vacuo leaving the gray solid, ethyl 4-(chloromethyl)-1,2,5-trimethylpyrrole-3-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04025640
Source datasetuspto-grants-1977_05
ORD IDord-97c5ca932741470da21052b8894eb136
Source noteuspto-grants-1977_05