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Trifluoroacetic acid → N-[3-chloro-2-(4-{2-hydroxy-3-[5-methanesulfonyl-3-(4-trifluoromethyl-phenyl)-4,5,6,7-tetrahydro-pyrazolo [4,3-c]pyridin-1-yl]-propyl}-piperazin-1-yl)-phenyl]-methanesulfonamide

HRID 970135
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HRID 970135 반응식
C(O[C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[C:19]([NH:20][S:21]([CH3:24])(=[O:23])=[O:22])=[CH:18][CH:17]=[CH:16][C:15]=2[Cl:25])[CH2:10][CH2:9]1)=O)(C)(C)C.FC(F)(F)C(O)=O.[CH3:33][S:34]([N:37]1[CH2:42][CH2:41][C:40]2[N:43]([CH2:56][CH:57]3C[O:58]3)[N:44]=[C:45]([C:46]3[CH:51]=[CH:50][C:49]([C:52]([F:55])([F:54])[F:53])=[CH:48][CH:47]=3)[C:39]=2[CH2:38]1)(=[O:36])=[O:35]>C(Cl)Cl>[Cl:25][C:15]1[C:14]([N:11]2[CH2:10][CH2:9][N:8]([CH2:6][CH:57]([OH:58])[CH2:56][N:43]3[C:40]4[CH2:41][CH2:42][N:37]([S:34]([CH3:33])(=[O:36])=[O:35])[CH2:38][C:39]=4[C:45]([C:46]4[CH:51]=[CH:50][C:49]([C:52]([F:54])([F:55])[F:53])=[CH:48][CH:47]=4)=[N:44]3)[CH2:13][CH2:12]2)=[C:19]([NH:20][S:21]([CH3:24])(=[O:22])=[O:23])[CH:18]=[CH:17][CH:16]=1
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참가 물질

5

반응물 3

HCID 6422Trifluoroacetic acidHCID 120720315-methanesulfonyl-1-oxiranylmethyl-3-(4-trifluoromethyl-phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridineHCID 684630944-(2-Chloro-6-methanesulfonylamino-phenyl)-piperazine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 10168894N-[3-chloro-2-(4-{2-hydroxy-3-[5-methanesulfonyl-3-(4-trifluoromethyl-phenyl)-4,5,6,7-tetrahydro-pyrazolo [4,3-c]pyridin-1-yl]-propyl}-piperazin-1-yl)-phenyl]-methanesulfonamide
수율 83.2%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
25 °C

실험 절차

4-(2-Chloro-6-methanesulfonylamino-phenyl)-piperazine-1-carboxylic acid tert-butyl ester (145 mg, 0.37 mmol) was dissolved in 3 mL of CH2Cl2 and treated with 1.5 mL of trifluoroacetic acid. The reaction mixture was stirred at 25° C. for 1 h before all volatiles were removed. The solid was treated with CH2Cl2 (20 mL) and aqueous KOH (4 N, 10 mL). The organic layer was separated, dried over Na2SO4, and concentrated. The crude oil (90 mg) was dissolved in absolute EtOH (1.0 mL) and treated with 96 mg (0.24 mmol) of 5-methanesulfonyl-1-oxiranylmethyl-3-(4-trifluoromethyl-phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine. The reaction mixture was refluxed at 85° C. for 3 h and then the solvent was removed. Column chromatography (silica, 0-5% MeOH/CH2Cl2) provided 138 mg (20% over 4 steps) of N-[3-chloro-2-(4-{2-hydroxy-3-[5-methanesulfonyl-3-(4-trifluoromethyl-phenyl)-4,5,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-1-yl]-propyl}-piperazin-1-yl)-phenyl]-methanesulfonamide. TLC (silica, 5% MeOH/CH2Cl2): Rf=0.45. MS (electrospray): exact mass calculated for C28H34ClF3N6O5S2, 690.17; m/z found, 691.2 [M+H]+. 1H NMR (400 MHz, CDCl3): 8.28 (s, 1H), 7.65 and 7.59 (AB pattern, J=8.4 Hz, 4H), 7.36 (d, J=8.1 Hz, 1H), 7.07 (t, J=8.2 Hz, 1H), 6.95 (d, J=8.2 Hz, 1H), 4.54-4.44 (m, 2H), 4.21-3.94 (m, 3H), 3.77-3.52 (m, 4H), 3.41 (m, 2H), 2.96 (s, 3H), 2.81 (s, 3H), 3.05-2.73 (m, 4H), 2.66-2.20 (m, 4H).

후처리

  1. customwere removed
  2. additionThe solid was treated with CH2Cl2 (20 mL) and aqueous KOH (4 N, 10 mL)
  3. customThe organic layer was separated
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated
  6. dissolutionThe crude oil (90 mg) was dissolved in absolute EtOH (1.0 mL)
  7. temperatureThe reaction mixture was refluxed at 85° C. for 3 h
  8. customthe solvent was removed

출처 및 근거

ORD 기록
ord-d68ae1c8e3f74b4db2e08ad501223669
출처 데이터셋
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07309703B2

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