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2,3-Dichloropyridine → 6-(3-Chloropyridin-2-yl)-N-(4-(trifluoromethyl)phenyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-amine

HRID 19657
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 19657
[F:1][C:2]([F:21])([F:20])[C:3]1[CH:8]=[CH:7][C:6]([NH:9][C:10]2[C:11]3[CH2:19][NH:18][CH2:17][CH2:16][C:12]=3[N:13]=[CH:14][N:15]=2)=[CH:5][CH:4]=1.Cl[C:23]1[C:28]([Cl:29])=[CH:27][CH:26]=[CH:25][N:24]=1.C(N(CC)C(C)C)(C)C>O1CCOCC1.CN(C)C(=O)C>[Cl:29][C:28]1[C:23]([N:18]2[CH2:17][CH2:16][C:12]3[N:13]=[CH:14][N:15]=[C:10]([NH:9][C:6]4[CH:7]=[CH:8][C:3]([C:2]([F:1])([F:20])[F:21])=[CH:4][CH:5]=4)[C:11]=3[CH2:19]2)=[N:24][CH:25]=[CH:26][CH:27]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 169882,3-DichloropyridineHCID 81531DiisopropylethylamineHCID 59346476(5,6,7,8-Tetrahydro-pyrido[4,3-d]pyrimidin-4-yl)-(4-trifluoromethylphenyl)amine

Produkt 1

HCID 593464886-(3-Chloropyridin-2-yl)-N-(4-(trifluoromethyl)phenyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-amineAusbeute 26 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 67000103
dioxane N,N-dimethylacetamide
Lösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

N-(4-(Trifluoromethyl)phenyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-amine (700 mg, 3.4 mmol) was dissolved in a mixture of dioxane/N,N-dimethylacetamide (4:1) (2 mL). To the mixture was added 2,3-dichloropyridine (1.5 g, 10.2 mmol) and N,N-diisopropylethylamine (0.87 mL, 5.1 mmol). The mixture was heated in a sealed tube at 150° C. in a microwave (Emrys Optimizer model, Personal Chemistry) for 16 h. The solvents were removed under vacuum and the residue was dissolved in ethyl acetate and washed with sat. NaHCO3 and brine. The organic layer was dried over Na2SO4, filtered and evaporated to give a brown residue. The residue was purified using a gradient of ethyl acetate:hexane (0-100%) to give the desired compound as an off-white powder (340 mg, 26%).

Aufarbeitung

  1. customThe solvents were removed under vacuum
  2. dissolutionthe residue was dissolved in ethyl acetate
  3. washwashed with sat. NaHCO3 and brine
  4. dry with materialThe organic layer was dried over Na2SO4
  5. filtrationfiltered
  6. customevaporated
  7. customto give a brown residue
  8. customThe residue was purified

Quellen und Nachweise

ORD-Eintrag
ord-691de1b9b09b454b9794bf513bd3c423
Quelldatensatz
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07745451B2

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