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Diisopropylethylamine → 3-Bromo-N-{(2S)-2-(4-fluorophenyl)-4-[3-(4-propionylpiperazin-1-yl)azetidin-1-yl]butyl}-N-methyl-5-(trifluoromethyl)benzamide dihydrochloride

HRID 2063297
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HRID 2063297 반응식
[ClH:1].Cl.[Br:3][C:4]1[CH:5]=[C:6]([CH:37]=[C:38]([C:40]([F:43])([F:42])[F:41])[CH:39]=1)[C:7]([N:9]([CH2:11][C@H:12]([C:30]1[CH:35]=[CH:34][C:33]([F:36])=[CH:32][CH:31]=1)[CH2:13][CH2:14][N:15]1[CH2:18][CH:17]([N:19]2[CH2:24][CH2:23][N:22]3[C:25](=[O:29])[CH2:26][CH2:27]C[CH:21]3[CH2:20]2)[CH2:16]1)[CH3:10])=[O:8].N1CC(N2CCN(C(=O)CC)CC2)C1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].CCN(C(C)C)C(C)C>C(Cl)Cl.CO>[ClH:1].[ClH:1].[Br:3][C:4]1[CH:5]=[C:6]([CH:37]=[C:38]([C:40]([F:41])([F:42])[F:43])[CH:39]=1)[C:7]([N:9]([CH2:11][C@H:12]([C:30]1[CH:35]=[CH:34][C:33]([F:36])=[CH:32][CH:31]=1)[CH2:13][CH2:14][N:15]1[CH2:18][CH:17]([N:19]2[CH2:20][CH2:21][N:22]([C:25](=[O:29])[CH2:26][CH3:27])[CH2:23][CH2:24]2)[CH2:16]1)[CH3:10])=[O:8]
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참가 물질

7

반응물 4

HCID 81531DiisopropylethylamineHCID 5049666Sodium triacetoxyborohydrideHCID 161232931-Propanone, 1-[4-(3-azetidinyl)-1-piperazinyl]-HCID 866483133-Bromo-N-{(2S)-2-(4-fluorophenyl)-4-[3-(6-oxooctahydro-2H-pyrido[1,2-a]pyrazin-2-yl)azetidin-1-yl]butyl}-N-methyl-5-(trifluoromethyl)benzamide dihydrochloride

생성물 1

HCID 86648314
3-Bromo-N-{(2S)-2-(4-fluorophenyl)-4-[3-(4-propionylpiperazin-1-yl)azetidin-1-yl]butyl}-N-methyl-5-(trifluoromethyl)benzamide dihydrochloride
수율 85.7%

시약·촉매·용매 2

HCID 887Methanol용매HCID 6344Dichloromethane용매2회

실험 절차

3-Bromo-N-[(2S)-2-(4-fluorophenyl)-4-oxobutyl]-N-methyl-5-(trifluoromethyl)benzamide (see Method 3; 165 mg, 0.4 mmol) and 1-azetidin-3-yl-4-propionylpiperazine (see Method 7; 80 mg, 0.41 mmol) were dissolved in methylene chloride (10 mL) together with a small amount of dry methanol (0.2 mL). Sodium triacetoxyborohydride (157 mg, 0.74 mmol) was added together with DIPEA (143 mg, 1.11 mmol). The reaction mixture was stirred at RT for 2.5 h and then diluted with methylene chloride. The solution was washed twice with aqueous NaHCO3 and then with brine. The organic phase was separated by means of a phase separator column and then the solvent was removed by evaporation. The product was purified by chromatography on silica gel (methanol-methylene chloride 5:95). The oily product was dissolved in 2M hydrochloric acid and the solvent was then removed by freeze-drying. There was obtained 120 mg (48%) of the title compound as a white solid. 1H NMR (500 MHz, CDCl3): 1.2-3.8 (cm, 28H), 6.8-7.8 (cm, 7H); LCMS: m/z 628 (M+1)+.

후처리

  1. washThe solution was washed twice with aqueous NaHCO3
  2. customThe organic phase was separated by means of a phase separator column
  3. customthe solvent was removed by evaporation
  4. customThe product was purified by chromatography on silica gel (methanol-methylene chloride 5:95)
  5. dissolutionThe oily product was dissolved in 2M hydrochloric acid
  6. customthe solvent was then removed
  7. customby freeze-drying

출처 및 근거

ORD 기록
ord-75ec5f6612a645179e49d32c5c774e9c
출처 데이터셋
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08288370B2

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