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Dimethylaminotri-n-butyltin → (+/-)-tert-Butyl 4-((1-(5-dimethylamino-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

HRID 913855
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인쇄 미리보기

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HRID 913855 반응식
Br[C:2]1[CH:10]=[C:9]([CH:11]([O:13][CH2:14][C:15]2([C:28]3[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=3)[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:17][CH2:16]2)[CH3:12])[C:8]2[C:4](=[CH:5][N:6]([CH2:35][O:36][CH2:37][CH2:38][Si:39]([CH3:42])([CH3:41])[CH3:40])[N:7]=2)[CH:3]=1.[CH3:43][N:44]([Sn](CCCC)(CCCC)CCCC)[CH3:45]>C1(C)C=CC=CC=1.CC1C(P(C2C(C)=CC=CC=2)C2C(C)=CC=CC=2)=CC=CC=1.CC1C(P(C2C(C)=CC=CC=2)C2C(C)=CC=CC=2)=CC=CC=1.Cl[Pd]Cl>[CH3:43][N:44]([CH3:45])[C:2]1[CH:10]=[C:9]([CH:11]([O:13][CH2:14][C:15]2([C:28]3[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=3)[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:17][CH2:16]2)[CH3:12])[C:8]2[C:4](=[CH:5][N:6]([CH2:35][O:36][CH2:37][CH2:38][Si:39]([CH3:42])([CH3:41])[CH3:40])[N:7]=2)[CH:3]=1
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참가 물질

5

반응물 2

HCID 11034994Dimethylaminotri-n-butyltinHCID 57546111(+/-)-tert-Butyl 4-((1-(5-bromo-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

생성물 1

HCID 57546051(+/-)-tert-Butyl 4-((1-(5-dimethylamino-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

시약·촉매·용매 2

HCID 10876480
Bis(tri-o-tolylphosphine)palladium(II) Dichloride
촉매
HCID 1140Toluene용매

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온도
120 °C

실험 절차

(±)-tert-Butyl 4-((1-(5-bromo-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate (150 mg, 0.226 mmol), trans-dichlorobis(tri-o-tolylphosphine)palladium (II) (17.79 mg, 0.023 mmol), and dimethylaminotri-n-butyltin (0.28 mL, 0.905 mmol) were combined in toluene (1.5 mL) in a microwave tube and sealed. After flushing the mixture with nitrogen, the mixture was heated at 120° C. for 1 h via microwave. After cooling to room temperature, the reaction mixture was concentrated, dissolved in ethyl acetate, washed with water and brine, concentrated and purified by flash chromatography on silica gel (15-30% EtOAc/Hex) to afford 115 mg (80.8%) as yellow oil. 1H-NMR (CDCl3, 500 MHz) δ 7.81 (s, 1H), 7.30 (m, 2H), 6.97 (m, 2H), 6.84 (s, 1H), 5.54 (s, 1H), 5.59 (m, 2H), 4.94 (q, J=5 Hz, 1H), 3.6-3.75 (m, 2H), 3.54 (m, 2H), 3.43 (d, J=10 Hz, 1H), 3.31 (d, J=10 Hz, 2H), 3.00-3.10 (m, 2H), 2.81 (s, 6H), 2.03-2.12 (m, 2H), 1.85-1.95 (m, 2H), 1.43 (d, J=10 Hz, 3H), 1.41 (s, 9H), 0.85-0.90 (m, 2H), −0.09 (s, 9H); 13C-NMR (CDCl3, 126 MHz) δ 171.1, 161.3 (d, J=975 Hz), 155.0, 147.0, 143.4, 139.2, 134.1, 128.9, 123.5, 120.9, 115.4, 115.1, 114.9, 97.2, 81.5, 79.3, 74.4, 67.0, 60.4, 41.9, 41.2, 32.3, 28.5, 27.9, 26.9, 23.1, 21.1, 17.8, 17.6, 14.3, 13.7, −1.36; Mass spec.: 627.60(MH)+.

후처리

  1. customsealed
  2. customAfter flushing the mixture with nitrogen
  3. temperatureAfter cooling to room temperature
  4. concentrationthe reaction mixture was concentrated
  5. dissolutiondissolved in ethyl acetate
  6. washwashed with water and brine
  7. concentrationconcentrated
  8. custompurified by flash chromatography on silica gel (15-30% EtOAc/Hex)
  9. customto afford 115 mg (80.8%) as yellow oil

출처 및 근거

ORD 기록
ord-f89aedaecfb1420999aec5d4c27f3a8f
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08026257B2

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