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Phenyl isocyanate → N-phenyl-4-(3-{[5-(trifluoromethyl)pyridin-2-yl]oxy}benzylidene)piperidine-1-carboxamide

HRID 1666336
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HRID 1666336 반응식
Cl.[NH:2]1[CH2:7][CH2:6][C:5](=[CH:8][C:9]2[CH:10]=[C:11]([CH:23]=[CH:24][CH:25]=2)[O:12][C:13]2[CH:18]=[CH:17][C:16]([C:19]([F:22])([F:21])[F:20])=[CH:15][N:14]=2)[CH2:4][CH2:3]1.[C:26]1([N:32]=[C:33]=[O:34])[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1.C(N(C(C)C)CC)(C)C.C([O-])([O-])=O.[K+].[K+]>ClCCl>[C:26]1([NH:32][C:33]([N:2]2[CH2:7][CH2:6][C:5](=[CH:8][C:9]3[CH:25]=[CH:24][CH:23]=[C:11]([O:12][C:13]4[CH:18]=[CH:17][C:16]([C:19]([F:22])([F:20])[F:21])=[CH:15][N:14]=4)[CH:10]=3)[CH2:4][CH2:3]2)=[O:34])[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1
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참가 물질

6

반응물 4

HCID 7672Phenyl isocyanateHCID 11430Potassium CarbonateHCID 81531DiisopropylethylamineHCID 668761612-(3-(Piperidin-4-ylidenemethyl)phenoxy)-5-(trifluoromethyl)pyridine hydrochloride

생성물 1

HCID 24968340N-phenyl-4-(3-{[5-(trifluoromethyl)pyridin-2-yl]oxy}benzylidene)piperidine-1-carboxamide수율 22.1%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A solution of 2-(3-piperidin-4-ylidenemethyl-phenoxy)-5-trifluoromethyl-pyridine hydrochloride (0.371 g, 1.00 mmol) (from Example 1, Step 5) and phenylisocyanate (0.143 g, 1.2 mmol) in dichloromethane (20 mL) was treated with diisopropylethylamine (0.155 g, 1.2 mmol) and stirred at RT for 18 h. The reaction mixture was stirred with 10% K2CO3 for 1 h and then partitioned after diluting with additional dichloromethane (200 mL). The combined organic layer was washed with brine and dried over sodium sulfate, filtered and concentrated. The residue was purified by silica gel chromatography (1% of the 1N NH3 in MeOH, in dichloromethane) to afford the title compound (100 mg, 22%) as a white solid after trituration with diethyl ether. MS (APCI 10V) AP+ 454.28; 1H NMR (400 MHz, DMSO-d6) δ ppm 2.34 (t, J=5.46 Hz, 2H) 2.46 (t, J=5.46 Hz, 2H) 3.29 (s, 3H) 3.46 (t, J=5.46 Hz, 2H) 3.54 (t, J=5.46 Hz, 2H) 6.37 (s, 1H) 6.89 (t, J=8.60 Hz, 1H) 7.03 (m, 2H) 7.12 (d, J=7.60 Hz, 1H) 7.19-7.22 (m, 3H) 7.38 (d, J=7.8 Hz, 1H) 7.41 (d, J=8.77 Hz, 2H) 8.20 (dd, J=8.8 Hz, 2.8 Hz, 1H) 8.50 (s, 1H) 8.55 (s, 1H).

후처리

  1. custompartitioned
  2. additionafter diluting with additional dichloromethane (200 mL)
  3. washThe combined organic layer was washed with brine
  4. dry with materialdried over sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was purified by silica gel chromatography (1% of the 1N NH3 in MeOH

출처 및 근거

ORD 기록
ord-95543d6edbd545fb8181e8bdcddeb51f
출처 데이터셋
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08044052B2

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