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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45598Generated: October 26, 2026

Trifluoroacetic acid → 1-[4'-(4-Amino-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester

https://huagongshe.com/reaction/45598

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant1-[4'-(4-tert-Butoxycarbonylamino-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl esterHCID 66577646—
SolventDichloromethaneHCID 6344—
Product1-[4'-(4-Amino-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl esterHCID 66577195—

Reaction Steps

1-[4′-(4-tert-Butoxycarbonylamino-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester (1.5 g, 3.2 mmol) in CH2Cl2 (10 mL) was treated with trifluoroacetic acid (4 mL), and the reaction was stirred for 1 hour. The mixture was neutralized and worked up to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541587B2
Source datasetuspto-grants-2013_09
ORD IDord-9e502b2a2ea34b38afc8d1b85d1d52ce
Source noteuspto-grants-2013_09