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Tri-o-tolylphosphine → (E)-N-[1-(2-dimethylaminoethyl)-1H-indol-3-ylmethyl]-N-methyl-3-(7-oxo-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)acrylamide

HRID 1362129
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HRID 1362129 반응식
Br[C:2]1[CH:3]=[C:4]2[C:9](=[N:10][CH:11]=1)[NH:8][C:7](=[O:12])[CH2:6][CH2:5]2.[CH3:13][N:14]([CH3:33])[CH2:15][CH2:16][N:17]1[C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[C:19]([CH2:26][N:27]([CH3:32])[C:28](=[O:31])[CH:29]=[CH2:30])=[CH:18]1.C1(C)C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C.C(N(C(C)C)CC)(C)C>C(#N)CC.CC([O-])=O.CC([O-])=O.[Pd+2]>[CH3:33][N:14]([CH3:13])[CH2:15][CH2:16][N:17]1[C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[C:19]([CH2:26][N:27]([CH3:32])[C:28](=[O:31])/[CH:29]=[CH:30]/[C:2]2[CH:11]=[N:10][C:9]3[NH:8][C:7](=[O:12])[CH2:6][CH2:5][C:4]=3[CH:3]=2)=[CH:18]1
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참가 물질

7

반응물 4

HCID 80271Tri-o-tolylphosphineHCID 81531DiisopropylethylamineHCID 110963256-Bromo-3,4-dihydro-1,8-naphthyridin-2(1H)-oneHCID 66905455N-[1-(2-dimethylaminoethyl)-1H-indol-3-ylmethyl]-N-methyl-acrylamide

생성물 1

HCID 10252195(E)-N-[1-(2-dimethylaminoethyl)-1H-indol-3-ylmethyl]-N-methyl-3-(7-oxo-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)acrylamide수율 17.2%

시약·촉매·용매 2

HCID 167845palladium(II) acetate촉매HCID 7854Propionitrile용매

실험 절차

A solution of 6-bromo-3,4-dihydro-1H-1,8-naphthyridin-2-one (0.61 g, 2.70 mmole), N-[1-(2-dimethylaminoethyl)-1H-indol-3-ylmethyl]-N-methyl-acrylamide (1.00 g, 3.50 mmole), Pd(OAc)2 (0.08 g, 0.35 mmole), tri-ortho-tolylphosphine (0.21 g, 0.70 mmole), and diisopropylethylamine (0.91 mL, 5.25 mmole) in propionitrile (70 mL) was deoxygenated, then was and heated to reflux under a N2 overnight. The dark mixture was filtered through a pad of Celite®, and the filter pad was rinsed with acetonitrile (250 mL). The filtrate was concentrated in vacuo, and the residue was purified by flash chromatography on silica gel (10% MeOH/CHCl3 containing 5% NH4OH in the MeOH). The title compound (0.20 g. 13%) was obtained as a light yellow solid after drying in vacuo: MS (ES) m/e 432 (M+H)+.

후처리

  1. temperatureheated
  2. temperatureto reflux under a N2 overnight
  3. filtrationThe dark mixture was filtered through a pad of Celite®
  4. washthe filter pad was rinsed with acetonitrile (250 mL)
  5. concentrationThe filtrate was concentrated in vacuo
  6. customthe residue was purified by flash chromatography on silica gel (10% MeOH/CHCl3 containing 5% NH4OH in the MeOH)

출처 및 근거

ORD 기록
ord-bc79a628c93a4613b1dc99ff30975605
출처 데이터셋
uspto-grants-2011_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07879872B2

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