Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2294787Generated: October 30, 2026

Methyl chloroformate → Methyl 5-methylthiophene-3-carboxylate

https://huagongshe.com/reaction/2294787

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl chloroformateHCID 6586—
Reactant4-Bromo-2-methylthiopheneHCID 638584—
ProductMethyl 5-methylthiophene-3-carboxylateHCID 4644182—

Reaction Steps

Alternatively, initial lithiation of 3-bromo-5-methylthiophene followed by capture with methyl chloroformate gives methyl 5-methylthiophene-3-carboxylate. Free-radical bromination of the methyl group provides 5-(bromomethyl)thiophene-3-carboxylic acid. ##STR46##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05691329
Source datasetuspto-grants-1997_11
ORD IDord-613559c604e24cb2b5efe56cb2ca5819
Source noteuspto-grants-1997_11