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Tributylvinyltin → 5-Bromo-2,7-dimethyl-6-vinylquinoline

HRID 2207050
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HRID 2207050 반응식
FC(F)(F)S(O[C:7]1[C:8]([Br:19])=[C:9]2[C:14](=[CH:15][C:16]=1[CH3:17])[N:13]=[C:12]([CH3:18])[CH:11]=[CH:10]2)(=O)=O.[CH2:22]([Sn](CCCC)(CCCC)C=C)[CH2:23]CC.[Cl-].[Li+]>CN(C=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[Br:19][C:8]1[C:7]([CH:22]=[CH2:23])=[C:16]([CH3:17])[CH:15]=[C:14]2[C:9]=1[CH:10]=[CH:11][C:12]([CH3:18])=[N:13]2
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참가 물질

6

반응물 3

HCID 81998TributylvinyltinHCID 433294Lithium ChlorideHCID 866919775-Bromo-2,7-dimethylquinolin-6-yl trifluoromethanesulfonate

생성물 1

HCID 666313915-Bromo-2,7-dimethyl-6-vinylquinoline

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매
HCID 6228
Dimethylformamide
용매

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온도
80 °C

실험 절차

PdCl2(PPh3)2 (207 mg, 0.30 mmol) was added to a solution of 5-bromo-2,7-dimethylquinolin-6-yl trifluoromethanesulfonate (1.13 g, 2.95 mmol), tributyl-vinyl-stannane (0.95 mL, 3.25 mmol), and lithium chloride (375 mg, 8.85 mmol) in DMF (30 mL). The reaction mixture was flushed with nitrogen, and heated at 80° C. for 4 hours. The mixture was diluted with ethyl acetate, washed with NaHCO3 solution, water and brine, and dried over Na2SO4. Concentration and purification by flash column chromatography yielded 5-bromo-2,7-dimethyl-6-vinylquinoline. LCMS-ESI+ (m/z): [M+H]+ calc'd for C13H13BrN: 262.0; Found: 262.1.

후처리

  1. customThe reaction mixture was flushed with nitrogen
  2. additionThe mixture was diluted with ethyl acetate
  3. washwashed with NaHCO3 solution, water and brine
  4. dry with materialdried over Na2SO4
  5. concentrationConcentration and purification by flash column chromatography

출처 및 근거

ORD 기록
ord-aa6921a621ae4442b21dbcfef6cd9d38
출처 데이터셋
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09376392B2

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