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Potassium Carbonate → (+)-Ethyl 5-{(tert-butoxycarbonyl)[2-(2-{[4-(5-methyl-1,3-benzoxazol-2-yl)benzyl]oxy}-phenyl)-ethyl]amino}-5,6,7,8-tetrahydroquinoline-2-carboxylate

HRID 875314
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 875314
[C:1]([O:5][C:6]([N:8]([CH2:24][CH2:25][C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=1[OH:32])[CH:9]1[CH2:18][CH2:17][CH2:16][C:15]2[N:14]=[C:13]([C:19]([O:21][CH2:22][CH3:23])=[O:20])[CH:12]=[CH:11][C:10]1=2)=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl[CH2:34][C:35]1[CH:40]=[CH:39][C:38]([C:41]2[O:42][C:43]3[CH:49]=[CH:48][C:47]([CH3:50])=[CH:46][C:44]=3[N:45]=2)=[CH:37][CH:36]=1.C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[C:1]([O:5][C:6]([N:8]([CH2:24][CH2:25][C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=1[O:32][CH2:34][C:35]1[CH:40]=[CH:39][C:38]([C:41]2[O:42][C:43]3[CH:49]=[CH:48][C:47]([CH3:50])=[CH:46][C:44]=3[N:45]=2)=[CH:37][CH:36]=1)[CH:9]1[CH2:18][CH2:17][CH2:16][C:15]2[N:14]=[C:13]([C:19]([O:21][CH2:22][CH3:23])=[O:20])[CH:12]=[CH:11][C:10]1=2)=[O:7])([CH3:2])([CH3:3])[CH3:4]
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Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 114368102-[4-(Chloromethyl)phenyl]-5-methyl-1,3-benzoxazoleHCID 86709811Ethyl 5-{(tert-butoxycarbonyl)[2-(2-hydroxyphenyl)ethyl]amino}-5,6,7,8-tetrahydroquinoline-2-carboxylate

Produkt 1

HCID 86709806(+)-Ethyl 5-{(tert-butoxycarbonyl)[2-(2-{[4-(5-methyl-1,3-benzoxazol-2-yl)benzyl]oxy}-phenyl)-ethyl]amino}-5,6,7,8-tetrahydroquinoline-2-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

5 g (11.35 mmol) of ethyl 5-{(tert-butoxycarbonyl)[2-(2-hydroxyphenyl)ethyl]amino}-5,6,7,8-tetrahydroquinoline-2-carboxylate, 3.51 g (13.62 mmol) of 2-[4-(chloromethyl)phenyl]-5-methyl-1,3-benzoxazole and 3.92 g (28.37 mmol) of potassium carbonate in 50 ml of acetonitrile were heated to 110° C. and stirred at this temperature overnight. After cooling, the reaction mixture was filtered, the filter cake was washed repeatedly with acetonitrile and the combined filtrates were concentrated to dryness on a rotary evaporator. The residue obtained was purified chromatographically on silica gel (mobile phase: cyclohexane/ethyl acetate 4:1→2:1). This gave 6.59 g (9.96 mmol, 87% of theory) of the target compound.

Aufarbeitung

  1. temperatureAfter cooling
  2. filtrationthe reaction mixture was filtered
  3. washthe filter cake was washed repeatedly with acetonitrile
  4. concentrationthe combined filtrates were concentrated to dryness on a rotary evaporator
  5. customThe residue obtained
  6. customwas purified chromatographically on silica gel (mobile phase: cyclohexane/ethyl acetate 4:1→2:1)

Quellen und Nachweise

ORD-Eintrag
ord-19f6d0a6ebd440e0bf527f549cfcbee3
Quelldatensatz
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08981104B2

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