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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1790898Generated: October 26, 2026

Trifluoroacetic acid → 5-carboxymethoxy-1H-indole-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/1790898

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant5-tert-butoxycarbonylmethoxy-1H-indole-2-carboxylic acid ethyl esterHCID 69587439—
SolventDichloromethaneHCID 6344—
Product5-carboxymethoxy-1H-indole-2-carboxylic acid ethyl esterHCID 69586665101.3%

Reaction Steps

A mixture of 5-tert-butoxycarbonylmethoxy-1H-indole-2-carboxylic acid ethyl ester (2 g, 6 mmol) and trifluoroacetic acid (8 mL) in dichloromethane (8 mL) was stirred at room temperature for 2 hours. The reaction was concentrated to give 1.6 g (97%) of 5-carboxymethoxy-1H-indole-2-carboxylic acid ethyl ester as a light brown solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07071332B2
Source datasetuspto-grants-2006_07
ORD IDord-1cd0dafad4d04a1f958e81fb95affc08
Source noteuspto-grants-2006_07