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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 600493Generated: October 31, 2026

Ethanamine, 2,2,2-trifluoro- → 5-[3-(4-Fluoro-phenyl)-isoxazol-4-ylmethoxy]-pyrazine-2-carboxylic acid (2,2,2-trifluoro-ethyl)-amide

https://huagongshe.com/reaction/600493

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanamine, 2,2,2-trifluoro-HCID 9773—
Reactant5-[(5-Methyl-3-phenyl-isoxazol-4-ylmethyl)-amino]-pyrazine-2-carboxylic acid methyl esterHCID 68445630—
Reactant5-[3-(4-Fluoro-phenyl)-isoxazol-4-ylmethoxy]-pyrazine-2-carboxylic acid methyl esterHCID 68446400—
Product5-[3-(4-Fluoro-phenyl)-isoxazol-4-ylmethoxy]-pyrazine-2-carboxylic acid (2,2,2-trifluoro-ethyl)-amideHCID 4693784971%

Reaction Steps

As described for example 9b, 5-[3-(4-fluoro-phenyl)-isoxazol-4-ylmethoxy]-pyrazine-2-carboxylic acid methyl ester (75 mg, 0.23 mmol), instead of 5-[(5-methyl-3-phenyl-isoxazol-4-ylmethyl)-amino]-pyrazine-2-carboxylic acid methyl ester, was converted, using 2,2,2-trifluoroethylamine instead of isopropylamine, to the title compound (64 mg, 71%) which was obtained as a light yellow solid. MS: m/e=397.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07902201B2
Source datasetuspto-grants-2011_03
ORD IDord-98ccd88501354624ba8dcd9d9699f8cd
Source noteuspto-grants-2011_03