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Cesium carbonate → 5-(3-(ethylsulfonyl)phenyl)-3-methyl-8-((1-methylpiperidin-4-yl)methoxy)-9H-pyrido[2,3-b]indole

HRID 1642561
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HRID 1642561 반응식
Cl[C:2]1[CH:10]=[CH:9][C:8]([O:11][CH2:12][CH:13]2[CH2:18][CH2:17][N:16]([CH3:19])[CH2:15][CH2:14]2)=[C:7]2[C:3]=1[C:4]1[CH:23]=[C:22]([CH3:24])[CH:21]=[N:20][C:5]=1[NH:6]2.[CH2:25]([S:27]([C:30]1[CH:31]=[C:32](B(O)O)[CH:33]=[CH:34][CH:35]=1)(=[O:29])=[O:28])[CH3:26].C1(P(C2CCCCC2)C2CCCCC2)CCCCC1.C([O-])([O-])=O.[Cs+].[Cs+]>CCOC(C)=O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].O1CCOCC1>[CH2:25]([S:27]([C:30]1[CH:35]=[C:34]([C:2]2[CH:10]=[CH:9][C:8]([O:11][CH2:12][CH:13]3[CH2:18][CH2:17][N:16]([CH3:19])[CH2:15][CH2:14]3)=[C:7]3[C:3]=2[C:4]2[CH:23]=[C:22]([CH3:24])[CH:21]=[N:20][C:5]=2[NH:6]3)[CH:33]=[CH:32][CH:31]=1)(=[O:28])=[O:29])[CH3:26]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 10796Cesium carbonateHCID 75806TricyclohexylphosphineHCID 164271023-Ethylsulfonylphenylboronic acidHCID 588801545-chloro-3-methyl-8-((1-methylpiperidin-4-yl)methoxy)-9H-pyrido[2,3-b]indole

생성물 1

HCID 588800825-(3-(ethylsulfonyl)phenyl)-3-methyl-8-((1-methylpiperidin-4-yl)methoxy)-9H-pyrido[2,3-b]indole수율 75.2%

시약·촉매·용매 3

HCID 6505921(1E,4E)-1,5-diphenylpenta-1,4-dien-3-one; palladium촉매HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

반응 조건

온도
125 °C

실험 절차

To a stirred solution of Compound 175 (170 mg, 0.49 mmol) and 3-(ethylsulfonyl)phenylboronic acid (265 mg, 1.24 mmol) in anhydrous and degassed dioxane (5 mL), were added Pd(dba)2 (70 mg, 0.12 mmol), PCy3 (0.34 mL, 20% wt solution in toluene, 0.24 mmol) and Cs2CO3 (479 mg, 1.47 mmol), under nitrogen. After being stirred for 6 h. under reflux (oil bath temperature 125° C.) the reaction was diluted with EtOAc and filtered through a small pad of celite. The residue was washed thoroughly with EtOAc and 10% MeOH in CH2Cl2. All the washings and filtrate were concentrated in vacuum and the crude residue was triturated with ether and then with MeOH and then purified through preparative HPLC to give Compound 176 (176 mg, 75%). 1H NMR (400 MHz, DMSO-d6) δ ppm 1.20 (t, J=7.34 Hz, 3 H) 1.50-1.61 (m, 2 H) 2.18 (br. s., 1 H) 2.13-2.20 (m, 1 H) 2.23-2.31 (m, 5 H) 2.82 (s, 3 H) 2.98-3.09 (m, 2 H) 3.39 (q, J=7.34 Hz, 2 H) 3.54 (d, J=10.60 Hz, 2 H) 4.12 (d, J=6.52 Hz, 2 H) 7.06-7.17 (m, 2 H) 7.53 (s, 1 H) 7.85 (t, J=7.74 Hz, 1 H) 7.96 (d, J=7.66 Hz, 1 H) 8.00 (d, J=7.66 Hz, 1 H) 8.06 (s, 1 H) 8.28 (d, J=1.47 Hz, 1 H) 11.83 (br. s., 1 H), [M+H] calc'd for C27H32N3O3S, 478.2; found, 478.4; [M+H+TFA] calc'd for C29H33N3O5F3S, 592.2; found, 592.4.

후처리

  1. filtrationfiltered through a small pad of celite
  2. washThe residue was washed thoroughly with EtOAc and 10% MeOH in CH2Cl2
  3. concentrationAll the washings and filtrate were concentrated in vacuum
  4. customthe crude residue was triturated with ether
  5. customwith MeOH and then purified through preparative HPLC

출처 및 근거

ORD 기록
ord-51d0047f21e84cad86114faa5a24de12
출처 데이터셋
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08119655B2

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