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Ammonium Chloride → 9-(Tert-butyl)-3,4,7,8-tetrahydro-[1,4]diazepino[7,1-a]isoquinoline-2,5-dione

HRID 532959
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HRID 532959 반응식
Br[C:2]1[CH:11]=[CH:10][CH:9]=[C:8]2[C:3]=1[CH2:4][CH2:5][N:6]1[C:16](=[O:17])[CH2:15][NH:14][C:13](=[O:18])[CH:12]=[C:7]12.F[B-](F)(F)F.[CH:24]1([C:30]2NC=C[N+]=2C2CCCCC2)[CH2:29]CCC[CH2:25]1.C([Mg]Cl)(C)(C)C.[NH4+].[Cl-]>C1COCC1.Cl[Ni]Cl>[C:24]([C:2]1[CH:11]=[CH:10][CH:9]=[C:8]2[C:3]=1[CH2:4][CH2:5][N:6]1[C:16](=[O:17])[CH2:15][NH:14][C:13](=[O:18])[CH:12]=[C:7]12)([CH3:30])([CH3:29])[CH3:25]
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참가 물질

7

반응물 4

HCID 25517Ammonium ChlorideHCID 867113289-Bromo-3,4,7,8-tetrahydro-[1,4]diazepino[7,1-a]isoquinoline-2,5-dioneHCID 89621986Dicyclohexylimidazolium tetrafluoroborateHCID 178418310HCID 178418310, 화합물

생성물 1

HCID 867114029-(Tert-butyl)-3,4,7,8-tetrahydro-[1,4]diazepino[7,1-a]isoquinoline-2,5-dione수율 50%

시약·촉매·용매 2

HCID 24385Nickel Dichloride촉매HCID 8028Tetrahydrofuran용매

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온도
-20 °C

실험 절차

125-1. A mixture of 9-bromo-3,4,7,8-tetrahydro-[1,4]diazepino[7,1-a]isoquinoline-2,5-dione (2.0 g, 6.51 mmol), NiCl2*2H2O (0.43 g, 2.60 mmol) and dicyclohexylimidazolium tetrafluoroborate (0.83 g, 2.60 mmol) in THF (80 mL) was cooled to −20° C. and then treated with a 1M solution of tBuMgCl (39.0 mL, 39.0 mmol) dropwise. The mixture was allowed to slowly warm to RT, then poured onto a saturated aq. solution of NH4Cl and extracted with AcOEt. The combined org. layers were then dried over Na2SO4, filtered and concentrated in vacuo. Purification by flash chromatography (SiO2, heptane to AcOEt to AcOEt/MeOH 95:5) afforded the title compound (370 mg). UPLC-MS: MS 285.2 (M+H+); UPLC rt 0.91 min.

후처리

  1. temperatureto slowly warm to RT
  2. extractionextracted with AcOEt
  3. dry with materiallayers were then dried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customPurification by flash chromatography (SiO2, heptane to AcOEt to AcOEt/MeOH 95:5)

출처 및 근거

ORD 기록
ord-28b5aee625c14fce8c1b552b8c8cc002
출처 데이터셋
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08853203B2

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