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Trifluoroacetic acid → 7-(1-tert-butyl-1H-pyrazol-4-yl)-N-{[(3S)-3-fluoropiperidin-3-yl]methyl}-1,6-naphthyridin-5-amine

HRID 473325
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HRID 473325 반응식
[CH3:1][C:2]([N:5]1[CH:9]=[C:8]([C:10]2[CH:19]=[C:18]3[C:13]([CH:14]=[CH:15][CH:16]=[N:17]3)=[C:12]([NH:20][CH2:21][C@:22]3([F:35])[CH2:27][CH2:26][CH2:25][N:24](C(OC(C)(C)C)=O)[CH2:23]3)[N:11]=2)[CH:7]=[N:6]1)([CH3:4])[CH3:3].FC(F)(F)C(O)=O>C(Cl)Cl>[CH3:4][C:2]([N:5]1[CH:9]=[C:8]([C:10]2[N:11]=[C:12]([NH:20][CH2:21][C@:22]3([F:35])[CH2:27][CH2:26][CH2:25][NH:24][CH2:23]3)[C:13]3[CH:14]=[CH:15][CH:16]=[N:17][C:18]=3[CH:19]=2)[CH:7]=[N:6]1)([CH3:1])[CH3:3]
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참가 물질

4

반응물 2

HCID 6422Trifluoroacetic acidHCID 682099451,1-Dimethylethyl (3R)-3-[({7-[1-(1,1-dimethylethyl)-1H-pyrazol-4-yl]-1,6-naphthyridin-5-yl}amino)methyl]-3-fluoro-1-piperidinecarboxylate

생성물 1

HCID 545754607-(1-tert-butyl-1H-pyrazol-4-yl)-N-{[(3S)-3-fluoropiperidin-3-yl]methyl}-1,6-naphthyridin-5-amine수율 93.1%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
20 °C

실험 절차

1,1-Dimethylethyl (3R)-3-[({7-[1-(1,1-dimethylethyl)-1H-pyrazol-4-yl]-1,6-naphthyridin-5-yl}amino)methyl]-3-fluoro-1-piperidinecarboxylate (1.586 g, 3.29 mmol) was dissolved in DCM (5 ml) and trifluoroacetic acid (5.06 ml, 65.7 mmol) was added. The reaction was stirred for 20 min at 20° C. LCMS showed main peak of product. The reaction mixture was loaded onto a 20 g SCX cartridge and washed with methanol. The compound was eluted with 2M methanolic ammonia. The solvent from the ammonia fractions was evaporated and was kept under high vacuum for 2 h to give a yellow crystalline solid (1.171 g). The free base (1.12 g) was purified by High pH preparative MDAP (Method B). The appropriate fractions were combined, concentrated in vacuo and kept on high vacuum overnight to give the title compound as a yellow crystalline solid (688.1 mg).

후처리

  1. washwashed with methanol
  2. washThe compound was eluted with 2M methanolic ammonia
  3. customThe solvent from the ammonia fractions was evaporated
  4. waitwas kept under high vacuum for 2 h

출처 및 근거

ORD 기록
ord-7aadbfa6c0d14ad1805a1529f4ac0fac
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08633319B2

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