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Water → N-[5-(Pyrido[3,2-e]pyrrolo[1,2-a]pyrazin-5(6H)ylcarbonyl)-2-pyridinyl]-5-fluoro-2-methylbenzamide

HRID 1940800
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1940800
[N:1]1[C:10]2[N:9]3[CH:11]=[CH:12][CH:13]=[C:8]3[CH2:7][NH:6][C:5]=2[CH:4]=[CH:3][CH:2]=1.C(N(CC)CC)C.[F:21][C:22]1[CH:23]=[CH:24][C:25]([CH3:40])=[C:26]([CH:39]=1)[C:27]([NH:29][C:30]1[N:35]=[CH:34][C:33]([C:36](Cl)=[O:37])=[CH:32][CH:31]=1)=[O:28].O>ClCCl>[N:1]1[C:10]2[N:9]3[CH:11]=[CH:12][CH:13]=[C:8]3[CH2:7][N:6]([C:36]([C:33]3[CH:32]=[CH:31][C:30]([NH:29][C:27](=[O:28])[C:26]4[CH:39]=[C:22]([F:21])[CH:23]=[CH:24][C:25]=4[CH3:40])=[N:35][CH:34]=3)=[O:37])[C:5]=2[CH:4]=[CH:3][CH:2]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 8471TriethylamineHCID 155082506-(5-Fluoro-2-methylbenzoyl)aminopyridine-3-carbonyl chlorideHCID 189175145,6-Dihydropyrido[3,2-e]pyrrolo[1,2-a]pyrazine

Produkt 1

HCID 18917537N-[5-(Pyrido[3,2-e]pyrrolo[1,2-a]pyrazin-5(6H)ylcarbonyl)-2-pyridinyl]-5-fluoro-2-methylbenzamideAusbeute 44,4 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6344DichloromethaneLösungsmittel2×

Versuchsvorschrift

To a chilled (0° C.) solution of 0.343 g of 5,6-dihydropyrido[3,2-e]pyrrolo[1,2-a]pyrazine and 1.1 ml of triethylamine in 5 ml of dichloromethane is added 1.17 g of 6-(5-fluoro-2-methylbenzoyl)aminopyridine-3-carbonyl chloride. The mixture is stirred at room temperature for 16 hours. To the mixture is added 50 ml of dichloromethane and 20 ml of water. The organic layer is separated and washed with 20 ml each of 1M NaHCO3 and brine. The organic layer is dried (Na2SO4) and passed through a thin pad of hydrous magnesium silicate and the pad washed with dichloromethane. The filtrate is concentrated and the residue chromatographed on silica gel prep-plates with ethyl acetate-hexane (1:1) as eluent. The product is crystallized from ethyl acetate to give 0.38 g of white crystals, m.p. 226°-234° C.

Aufarbeitung

  1. customThe organic layer is separated
  2. washwashed with 20 ml each of 1M NaHCO3 and brine
  3. dry with materialThe organic layer is dried (Na2SO4)
  4. washthe pad washed with dichloromethane
  5. concentrationThe filtrate is concentrated
  6. customthe residue chromatographed on silica gel prep-plates with ethyl acetate-hexane (1:1) as eluent
  7. customThe product is crystallized from ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-10ea0fbd15374ba49e84ee7c5f808752
Quelldatensatz
uspto-grants-1997_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05700796

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