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Diisopropylethylamine → 7-(3-Methanesulphonylpyridin-2-yl)-N-(5-(trifluoromethyl)pyridin-2-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-amine

HRID 971221
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 971221
[F:1][C:2]([F:21])([F:20])[C:3]1[CH:4]=[CH:5][C:6]([NH:9][C:10]2[C:11]3[CH2:19][CH2:18][NH:17][CH2:16][C:12]=3[N:13]=[CH:14][N:15]=2)=[N:7][CH:8]=1.Cl[C:23]1[C:28]([S:29]([CH3:32])(=[O:31])=[O:30])=[CH:27][CH:26]=[CH:25][N:24]=1.C(N(CC)C(C)C)(C)C>C(#N)C>[CH3:32][S:29]([C:28]1[C:23]([N:17]2[CH2:18][CH2:19][C:11]3[C:10]([NH:9][C:6]4[CH:5]=[CH:4][C:3]([C:2]([F:20])([F:1])[F:21])=[CH:8][N:7]=4)=[N:15][CH:14]=[N:13][C:12]=3[CH2:16]2)=[N:24][CH:25]=[CH:26][CH:27]=1)(=[O:31])=[O:30]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 125137462-Chloro-3-(methanesulfonyl)pyridineHCID 69424206N-(5-(Trifluoromethyl)pyridine-2-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-amine

Produkt 1

HCID 694250497-(3-Methanesulphonylpyridin-2-yl)-N-(5-(trifluoromethyl)pyridin-2-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-amineAusbeute 43,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342
Acetonitrile
Lösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

N-(5-(Trifluoromethyl)pyridine-2-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-amine (100 mg, 0.34 mmol) was dissolved in a mixture of acetonitrile (2 mL). To the mixture was added 2-chloro-3-methanesulphonylpyridine (122 mg, 0.68 mmol) and N,N-diisopropylethylamine (0.23 mL, 0.68 mmol). The mixture was heated in a sealed tube at 150° C. in microwave (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 by flash chromatography over silica gel using a gradient of ethyl acetate:hexane (0-100%) to give the desired compound as an off-white powder (66 mg).

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 by flash chromatography over silica gel using a gradient of ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-3d190dcfdce146a79af2b02db42e6e9b
Quelldatensatz
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07312330B2

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