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Trifluoroacetic acid → 2-(6-fluoro-1-methyl-1H-indazol-3-yl)-N-(3-methylazetidin-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide 2,2,2-trifluoroacetate

HRID 246628
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HRID 246628 반응식
[F:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:12]3[N:13]=[C:14]4[C:20]([C:21]([NH:23][C:24]5([CH3:35])[CH2:27][N:26](C(OC(C)(C)C)=O)[CH2:25]5)=[O:22])=[CH:19][NH:18][C:15]4=[N:16][CH:17]=3)=[N:7][N:8]2[CH3:11])=[CH:4][CH:3]=1.[F:36][C:37]([F:42])([F:41])[C:38]([OH:40])=[O:39]>ClCCl>[F:36][C:37]([F:42])([F:41])[C:38]([OH:40])=[O:39].[F:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:12]3[N:13]=[C:14]4[C:20]([C:21]([NH:23][C:24]5([CH3:35])[CH2:25][NH:26][CH2:27]5)=[O:22])=[CH:19][NH:18][C:15]4=[N:16][CH:17]=3)=[N:7][N:8]2[CH3:11])=[CH:4][CH:3]=1
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참가 물질

4

반응물 2

HCID 6422Trifluoroacetic acidHCID 71280627tert-butyl 3-(2-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamido)-3-methylazetidine-1-carboxylate

생성물 1

HCID 712794852-(6-fluoro-1-methyl-1H-indazol-3-yl)-N-(3-methylazetidin-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide 2,2,2-trifluoroacetate수율 52%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a stirred solution of tert-butyl 3-(2-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamido)-3-methylazetidine-1-carboxylate (75 mg, 0.16 mmol) in 6 mL of dichloromethane was added trifluoroacetic acid (3 mL) in one portion at room temperature. Then the solution was stirred at room temperature for 2 hours. The solvent was evaporated at 40° C. under reduced pressure and the residue was purified by preparative-HPLC (Gemini 5u C18 150×21.2 mm; inject volume: 3 mL/inj, flow rate: 20 mL/min; wavelength: 214 nm and 254 nm; the gradient conditions were: 15% acetonitrile/75% water (0.1% trifluoroacetic acid, v/v) initially, proceeding to 45% acetonitrile/55% water (0.1% trifluoroacetic acid, v/v) in a linear fashion over 9 min.) to give 2-(6-fluoro-1-methyl-1H-indazol-3-yl)-N-(3-methylazetidin-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide 2,2,2-trifluoroacetate (40 mg, 52%) as a pale yellow solid. MS: (M+H)+=380; 1H NMR (300 MHz, DMSO): δ 13.04 (brs, 1H), 9.14 (s, 1H), 8.98 (brs, 2H), 8.56-8.51 (m, 2H), 8.38 (s, 1H), 7.72 (dd, 1H, J=9.6, 2.1 Hz), 7.24 (td, J=9.2, 1.8 Hz), 4.57 (d, 1H, J=10.8 Hz), 4.17 (s, 3H), 4.99 (d, 1H, J=10.8 Hz), 1.78 (s, 3H).

후처리

  1. customThe solvent was evaporated at 40° C. under reduced pressure
  2. customthe residue was purified by preparative-HPLC (Gemini 5u C18 150×21.2 mm
  3. wait15% acetonitrile/75% water (0.1% trifluoroacetic acid, v/v) initially, proceeding to 45% acetonitrile/55% water (0.1% trifluoroacetic acid, v/v) in a linear fashion over 9 min.

출처 및 근거

ORD 기록
ord-270bc0636b4f46d9827823f19c54f26d
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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