돌아가기
Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HRID 1255161생성일: 2026년 10월 26일

Hydrochloric Acid → Trifluoroacetic acid

https://huagongshe.com/reaction/1255161

반응식

참여 물질

역할이름HCID투입량
반응물Hydrochloric AcidHCID 313—
반응물Lithium HydroxideHCID 3939—
반응물1,4-DioxaneHCID 31275—
반응물Ethyl 1-[6-(2-{[4-(2-phenylethyl)benzyl]oxy}phenyl)pyridin-2-yl]-5-(trifluoromethyl)-1H-pyrazole-4-carboxylateHCID 67159203—
생성물Trifluoroacetic acidHCID 6422—
생성물1-[6-(2-{[4-(2-Phenylethyl)benzyl]oxy}phenyl)pyridin-2-yl]-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acidHCID 25233125—

반응 조건

온도60 °C

반응 단계

To a solution of the title compound from Example 1 Step C (27.0 mg, 0.048 mmol) in 1,4-dioxane (2 mL) was added lithium hydroxide (1.0 mL, 2.0 M aqueous, 2.0 mmol), and the resulting mixture was stirred at 60° C. After 15 min, the reaction mixture was rendered acidic by addition of aqueous hydrochloric acid, then was diluted with 1,4-dioxane and passed through a 0.45 micron syringe filter. Purification by reverse phase HPLC (30 to 100% acetonitrile in water, each with 0.1% v/v TFA) provided the title compound: LCMS m/z 544.4 [M+H]+; 1H NMR (500 MHz, d6-DMSO) δ 8.25 (s, 1H), 8.14-8.07 (m, 2H), 7.74 (d, J=7.5 Hz, 1H), 7.69 (d, J=7.5 Hz, 1H), 7.42 (t, J=7.5 Hz, 1H), 7.32 (d, J=8.0 Hz, 1H), 7.27-7.14 (m, 8H), 7.09 (t, J=8.0 Hz, 1H), 5.19 (s, 2H), 2.86 (app s, 4H).

출처 및 근거

DOI10.6084/m9.figshare.5104873.v1
특허 번호US08455638B2
출처 데이터셋uspto-grants-2013_06
ORD IDord-8d15f1a163d84cf185640e091a810629
출처 메모uspto-grants-2013_06