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Cesium carbonate → tert-butyl (3S,5R)-1-(3-(2-(2,6-difluorophenyl)-quinazolin-8-ylamino)pyridin-4-yl)-5-methylpiperidin-3-ylcarbamate

HRID 408477
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HRID 408477 반응식
[NH2:1][C:2]1[CH:3]=[N:4][CH:5]=[CH:6][C:7]=1[N:8]1[CH2:13][C@H:12]([CH3:14])[CH2:11][C@H:10]([NH:15][C:16](=[O:22])[O:17][C:18]([CH3:21])([CH3:20])[CH3:19])[CH2:9]1.FC(F)(F)S(O[C:29]1[CH:30]=[CH:31][CH:32]=[C:33]2[C:38]=1[N:37]=[C:36]([C:39]1[C:44]([F:45])=[CH:43][CH:42]=[CH:41][C:40]=1[F:46])[N:35]=[CH:34]2)(=O)=O.C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCOCC1.C(OCC)(=O)C.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[F:45][C:44]1[CH:43]=[CH:42][CH:41]=[C:40]([F:46])[C:39]=1[C:36]1[N:35]=[CH:34][C:33]2[C:38](=[C:29]([NH:1][C:2]3[CH:3]=[N:4][CH:5]=[CH:6][C:7]=3[N:8]3[CH2:13][C@H:12]([CH3:14])[CH2:11][C@H:10]([NH:15][C:16](=[O:22])[O:17][C:18]([CH3:21])([CH3:20])[CH3:19])[CH2:9]3)[CH:30]=[CH:31][CH:32]=2)[N:37]=1
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참가 물질

8

반응물 4

HCID 10796Cesium carbonateHCID 634876Binap, (A+-)-HCID 58386794HCID 58386794, 화합물HCID 866564422-(2,6-Difluorophenyl)quinazolin-8-yl trifluoromethanesulfonate

생성물 1

HCID 86656443tert-butyl (3S,5R)-1-(3-(2-(2,6-difluorophenyl)-quinazolin-8-ylamino)pyridin-4-yl)-5-methylpiperidin-3-ylcarbamate수율 79%

시약·촉매·용매 3

HCID 167845palladium(II) acetate촉매HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

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온도
120 °C

실험 절차

To a solution of the tert-butyl (3S,5R)-1-(3-aminopyridin-4-yl)-5-methylpiperidin-3-ylcarbamate (1.0 eq) in 1,4-dioxane (0.067M) was added 2-(2,6-difluorophenyl)quinazolin-8-yl trifluoromethanesulfonate (1.0 eq), palladium acetate (0.2 eq), BINAP (1.5 eq), and cesium carbonate (3.0 eq). The reaction mixture was stirred at 120° C. for 10 min in microwave. The residue was dissolved in ethyl acetate (120 mL), and washed with water, brine, then dried over MgSO4, filtered, and evaporated under reduced pressure to give crude product, which was purified by column (ethyl acetate:hexanes=1:1 with 10% methanol) to yield tert-butyl (3S,5R)-1-(3-(2-(2,6-difluorophenyl)-quinazolin-8-ylamino)pyridin-4-yl)-5-methylpiperidin-3-ylcarbamate (79%). LC/MS (m/z): 547.1 (MH+), Rt=0.87

후처리

  1. washwashed with water, brine
  2. dry with materialdried over MgSO4
  3. filtrationfiltered
  4. customevaporated under reduced pressure
  5. customto give crude product, which
  6. customwas purified by column (ethyl acetate:hexanes=1:1 with 10% methanol)

출처 및 근거

ORD 기록
ord-2d09762c81874f7a8fbe5b5eaf01c4d4
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08759338B2

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