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Trifluoromethanesulfonic acid → 6-(2-((5-fluoro-6-methoxy-3-pyridinyl)amino)-5-((1R)-1-((2S)-2-methyl-4-(methylsulfonyl)-1-piperazinyl)ethyl)-3-pyridinyl)-2-methyl-4-pyrimidinamine

HRID 1621886
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HRID 1621886 반응식
[F:1][C:2]1[CH:3]=[C:4]([NH:10][C:11]2[C:16]([C:17]3[N:22]=[C:21]([CH3:23])[N:20]=[C:19]([N:24](CC4C=CC(OC)=CC=4)CC4C=CC(OC)=CC=4)[CH:18]=3)=[CH:15][C:14]([C@H:43]([N:45]3[CH2:50][CH2:49][N:48]([S:51]([CH3:54])(=[O:53])=[O:52])[CH2:47][C@@H:46]3[CH3:55])[CH3:44])=[CH:13][N:12]=2)[CH:5]=[N:6][C:7]=1[O:8][CH3:9].OS(C(F)(F)F)(=O)=O>C(O)(C(F)(F)F)=O>[F:1][C:2]1[CH:3]=[C:4]([NH:10][C:11]2[C:16]([C:17]3[N:22]=[C:21]([CH3:23])[N:20]=[C:19]([NH2:24])[CH:18]=3)=[CH:15][C:14]([C@H:43]([N:45]3[CH2:50][CH2:49][N:48]([S:51]([CH3:54])(=[O:53])=[O:52])[CH2:47][C@@H:46]3[CH3:55])[CH3:44])=[CH:13][N:12]=2)[CH:5]=[N:6][C:7]=1[O:8][CH3:9]
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참가 물질

4

반응물 2

HCID 62406Trifluoromethanesulfonic acidHCID 685177176-(2-((5-fluoro-6-methoxy-3-pyridinyl)amino)-5-((1R)-1-((2S)-2-methyl-4-(methylsulfonyl)-1-piperazinyl)ethyl)-3-pyridinyl)-N,N-bis(4-methoxybenzyl)-2-methyl-4-pyrimidinamine

생성물 1

HCID 595483366-(2-((5-fluoro-6-methoxy-3-pyridinyl)amino)-5-((1R)-1-((2S)-2-methyl-4-(methylsulfonyl)-1-piperazinyl)ethyl)-3-pyridinyl)-2-methyl-4-pyrimidinamine수율 29.2%

시약·촉매·용매 1

HCID 6422
Trifluoroacetic acid
용매

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온도
80 °C

실험 절차

A mixture of 6-(2-((5-fluoro-6-methoxy-3-pyridinyl)amino)-5-((1R)-1-((2S)-2-methyl-4-(methylsulfonyl)-1-piperazinyl)ethyl)-3-pyridinyl)-N,N-bis(4-methoxybenzyl)-2-methyl-4-pyrimidinamine (0.050 g, 0.065 mmol) in TFA (1 mL) was treated with triflic acid (5.76 μL, 0.065 mmol) and heated to 80° C. for 1 h. The reaction mixture was concentrated and then ice cubes were added to the brown residue. Saturated NaHCO3 (aq.) was added followed by CH2Cl2. 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. The crude material was adsorbed onto a plug of silica gel and purified by chromatography through a silica gel column (4 g), eluting with a gradient of 0% to 5% MeOH in CH2Cl2, to provide 6-(2-((5-fluoro-6-methoxy-3-pyridinyl)amino)-5-((1R)-1-((2S)-2-methyl-4-(methylsulfonyl)-1-piperazinyl)ethyl)-3-pyridinyl)-2-methyl-4-pyrimidinamine (0.010 g, 0.019 mmol, 29.1% yield) as a brown solid. m/z (ESI, +ve) 531.2 (M+H)+. 1H NMR (400 MHz, d6-DMSO) δ 12.14 (s, 1H); 8.36 (dd, J=12.91, 2.35 Hz, 1H); 8.22-8.25 (m, 1H); 8.16 (d, J=2.35 Hz, 1H); 7.95 (dd, J=1.96, 0.39 Hz, 1H); 7.04 (s, 2H); 6.79 (s, 1H); 4.02 (q, J=6.65Hz, 1H); 3.94 (s, 3H); 3.05-3.20 (m, 2H); 2.77-2.95 (m, 5H); 2.53 (br. s., 3H); 2.45 (dd, J=11.35, 5.28 Hz, 1H); 1.40 (d, J=6.65 Hz, 3H); 1.10 (d, J=6.26 Hz, 3H).

후처리

  1. concentrationThe reaction mixture was concentrated
  2. additionice cubes were added to the brown residue
  3. additionSaturated NaHCO3 (aq.) was added
  4. customThe layers were separated
  5. extractionthe aqueous layer was extracted with CH2Cl2 (2×)
  6. dry with materialThe combined organic layers were dried over anhydrous Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated
  9. custompurified by chromatography through a silica gel column (4 g)
  10. washeluting with a gradient of 0% to 5% MeOH in CH2Cl2

출처 및 근거

ORD 기록
ord-145f1952816b4834928186c326c7cbf7
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08772480B2

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