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Trifluoroacetic acid → 6-(2-fluoro-5-((1R)-1-(1-piperazinyl)ethyl)-3-pyridinyl)-N,N-bis(4-methoxybenzyl)-2-methyl-4-pyrimidinamine

HRID 1812285
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HRID 1812285 반응식
[CH3:1][O:2][C:3]1[CH:48]=[CH:47][C:6]([CH2:7][N:8]([CH2:38][C:39]2[CH:44]=[CH:43][C:42]([O:45][CH3:46])=[CH:41][CH:40]=2)[C:9]2[N:14]=[C:13]([CH3:15])[N:12]=[C:11]([C:16]3[CH:17]=[C:18]([C@H:23]([N:25]4[CH2:30][CH2:29][N:28](C(OC(C)(C)C)=O)[CH2:27][CH2:26]4)[CH3:24])[CH:19]=[N:20][C:21]=3[F:22])[CH:10]=2)=[CH:5][CH:4]=1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[F:22][C:21]1[C:16]([C:11]2[N:12]=[C:13]([CH3:15])[N:14]=[C:9]([N:8]([CH2:7][C:6]3[CH:47]=[CH:48][C:3]([O:2][CH3:1])=[CH:4][CH:5]=3)[CH2:38][C:39]3[CH:40]=[CH:41][C:42]([O:45][CH3:46])=[CH:43][CH:44]=3)[CH:10]=2)=[CH:17][C:18]([C@H:23]([N:25]2[CH2:26][CH2:27][NH:28][CH2:29][CH2:30]2)[CH3:24])=[CH:19][N:20]=1
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참가 물질

4

반응물 2

HCID 6422Trifluoroacetic acidHCID 66600507tert-butyl 4-((1R)-1-(5-(6-(bis(4-methoxybenzyl)amino)-2-methyl-4-pyrimidinyl)-6-fluoro-3-pyridinyl)ethyl)-1-piperazinecarboxylate

생성물 1

HCID 685113046-(2-fluoro-5-((1R)-1-(1-piperazinyl)ethyl)-3-pyridinyl)-N,N-bis(4-methoxybenzyl)-2-methyl-4-pyrimidinamine수율 85.1%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A mixture of tert-butyl 4-((1R)-1-(5-(6-(bis(4-methoxybenzyl)amino)-2-methyl-4-pyrimidinyl)-6-fluoro-3-pyridinyl)ethyl)-1-piperazinecarboxylate (0.57 g, 0.87 mmol) in CH2Cl2 (4.3 mL) at 0° C. was treated with TFA (1.29 mL, 17.36 mmol). The reaction mixture was allowed to warm up to RT. After 90 minutes the reaction mixture was concentrated and the residue was dissolved in CH2Cl2 and saturated NaHCO3 (aq.). The layers were separated and the aqueous layer was extracted with CH2Cl2 (2×). The combined organic layers were dried over anhydrous Na2SO4, filtered and concentrated to give 6-(2-fluoro-5-((1R)-1-(1-piperazinyl)ethyl)-3-pyridinyl)-N,N-bis(4-methoxybenzyl)-2-methyl-4-pyrimidinamine (0.41 g, 0.74 mmol, 85% yield). m/z (ESI, +ve) 557.2 (M+H)+. 1H NMR (400 MHz, CDCl3) δ 8.41 (dd, J=9.29, 2.45 Hz, 1H); 8.14-8.18 (m, 1H); 7.18 (d, J=7.43 Hz, 4H); 6.86 (d, J=8.61 Hz, 4H); 6.83 (br. s, 1H); 4.74 (br. s., 4H); 3.79 (s, 6H); 3.57 (q, J=6.78 Hz, 1H); 2.96 (m, 4H); 2.62 (s, 3H); 2.57 (br. s., 2H); 2.44-2.51 (m, 2H); 1.40 (d, J=6.85 Hz, 3H).

후처리

  1. concentrationAfter 90 minutes the reaction mixture was concentrated
  2. dissolutionthe residue was dissolved in CH2Cl2
  3. customThe layers were separated
  4. extractionthe aqueous layer was extracted with CH2Cl2 (2×)
  5. dry with materialThe combined organic layers were dried over anhydrous Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-7e7eb1b3ac8c40b2a3aad6914214bb85
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08362241B2

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