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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 474654Generated: October 29, 2026

Ethyl trifluoroacetate → 2-(Trifluoromethyl)-1,4,5,6-tetrahydro-5-pyrimidinol

https://huagongshe.com/reaction/474654

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl trifluoroacetateHCID 9794—
Reactant1,3-Diamino-2-propanolHCID 61157—
SolventP-XyleneHCID 7809—
Product2-(Trifluoromethyl)-1,4,5,6-tetrahydro-5-pyrimidinolHCID 2008042897.5%

Reaction Conditions

Temperature160 °C

Reaction Steps

To a solution of ethyl trifluoroacetate (5.80 g, 40.8 mmol) in p-Xylene (30 mL) was added 1,3-diamino-2-propanol (3.60 g, 40 mmol). The mixture was stirred at 160° C. for 4 h. Concentration in vacuo then afforded the title compound (6.55 g, 39.0 mmol, 97% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08637536B2
Source datasetuspto-grants-2014_01
ORD IDord-68d17504d3c24f5c866be997bffb8d90
Source noteuspto-grants-2014_01