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Methyl 4-bromoacetylphenoxyacetate → Methyl 4-[2-[4-(5,6,7,8-tetrahydro-4-quinolinyl)piperazin-1-yl]-acetyl]phenoxyacetate

HRID 864786
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 864786
Br[CH2:2][C:3]([C:5]1[CH:16]=[CH:15][C:8]([O:9][CH2:10][C:11]([O:13][CH3:14])=[O:12])=[CH:7][CH:6]=1)=[O:4].[N:17]1([C:23]2[C:32]3[C:27](=[CH:28][CH:29]=[CH:30][CH:31]=3)[N:26]=[CH:25][CH:24]=2)[CH2:22][CH2:21][NH:20][CH2:19][CH2:18]1.N1(C2C3CCCCC=3N=CC=2)CCNCC1>C(#N)C>[N:26]1[C:27]2[CH2:28][CH2:29][CH2:30][CH2:31][C:32]=2[C:23]([N:17]2[CH2:18][CH2:19][N:20]([CH2:2][C:3]([C:5]3[CH:16]=[CH:15][C:8]([O:9][CH2:10][C:11]([O:13][CH3:14])=[O:12])=[CH:7][CH:6]=3)=[O:4])[CH2:21][CH2:22]2)=[CH:24][CH:25]=1
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Komponenten

5

Edukt 3

HCID 243438Methyl 4-bromoacetylphenoxyacetateHCID 15343864-Piperazin-1-yl-quinolineHCID 189184264-(Piperazin-1-yl)-5,6,7,8-tetrahydroquinoline

Produkt 1

HCID 18924099Methyl 4-[2-[4-(5,6,7,8-tetrahydro-4-quinolinyl)piperazin-1-yl]-acetyl]phenoxyacetate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342Acetonitrile
Lösungsmittel

Versuchsvorschrift

In a similar manner to Example 1, methyl 4-bromoacetylphenoxyacetate (1.23 g), a 1:1 mixture containing 4-(1-piperazinyl)quinoline and 4-(1-piperazinyl)-5,6,7,8-tetrahydroquinoline (1.84 g) and acetonitrile (56 ml) yielded, after stirring at room temperature overnight, filtration and evaporation of the filtrate, an orange/brown oily residue which was purified by flash chromatography, first on neutral alumina by elution with 5% v/v methanol/dichloromethane, then on silica by elution with methanol/dichloromethane (0.5% v/v to 5% v/v), and finally by crystallisation of the lower Rf material from methanol/water, to yield the title compound (298 mg) as a cream solid: NMR (CDCl3) δ1.76 (2H, m), 1.89 (2H, m), 2.64 (2H, m), 2.76 (4H, m), 2.95 (2H, m), 3.07 (4H, m), 3.80 (2H, s), 3.81 (3H, s), 4.71 (2H, s), 6.68 (1H, d), 6.95 (2H, d), 8.03 (2H, d) 8.28 (1H, d); m/Z 424 (M+H)+ ; calculated for C24H29N3O4. 1.0 H2O: C, 65.3%; H, 7.08%; N, 9.52%; found: C, 65.6%; H, 6.7%; N, 9.3%.

Aufarbeitung

  1. customyielded
  2. filtrationfiltration and evaporation of the filtrate
  3. customan orange/brown oily residue which was purified by flash chromatography, first on neutral alumina by elution with 5% v/v methanol/dichloromethane
  4. washon silica by elution with methanol/dichloromethane (0.5% v/v to 5% v/v), and
  5. customfinally by crystallisation of the lower Rf material from methanol/water

Quellen und Nachweise

ORD-Eintrag
ord-434a6d501beb4a898364ec078ee92640
Quelldatensatz
uspto-grants-1996_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05563141

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