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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1896602Generated: November 4, 2026

Trifluoroacetic acid → Ethyl 2-(indolin-6-yl)thiazole-4-carboxylate

https://huagongshe.com/reaction/1896602

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantEthyl 2-(1-(tert-butoxycarbonyl)indolin-6-yl)thiazole-4-carboxylateHCID 59418726—
SolventDichloromethaneHCID 6344—
ProductEthyl 2-(indolin-6-yl)thiazole-4-carboxylateHCID 59418774170.1%

Reaction Steps

To ethyl 2-(1-(tert-butoxycarbonyl)indolin-6-yl)thiazole-4-carboxylate (28C) (46 mg, 0.12 mmol) was added DCM (5 ml) and TFA (1 ml) and stirred for 2.5 hours. The mixture was concentrated under reduced pressure to provide 56 mg of the desired product ethyl 2-(indolin-6-yl)thiazole-4-carboxylate (28D): LC/MS (APCI): m/z 275.0 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518970B2
Source datasetuspto-grants-2013_08
ORD IDord-f7f85ab4fb5c42d2976c07d875f6f76e
Source noteuspto-grants-2013_08