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4-Fluorophenylboronic acid → 1-[7-(2-Chlorophenyl)-8-(4-fluorophenyl)-2-methylpyrazolo[1,5-a][1,3,5]triazin-4-yl]-4-ethylaminopiperidine-4-carboxylic acid amide

HRID 2054413
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2054413
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[C:29](I)=[C:11]2[N:12]=[C:13]([CH3:28])[N:14]=[C:15]([N:16]3[CH2:21][CH2:20][C:19]([NH:25][CH2:26][CH3:27])([C:22]([NH2:24])=[O:23])[CH2:18][CH2:17]3)[N:10]2[N:9]=1.[F:31][C:32]1[CH:37]=[CH:36][C:35](B(O)O)=[CH:34][CH:33]=1>C(O)C.C1(C)C=CC=CC=1.C([O-])([O-])=O.[Na+].[Na+].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[C:29]([C:35]2[CH:36]=[CH:37][C:32]([F:31])=[CH:33][CH:34]=2)=[C:11]2[N:12]=[C:13]([CH3:28])[N:14]=[C:15]([N:16]3[CH2:21][CH2:20][C:19]([NH:25][CH2:26][CH3:27])([C:22]([NH2:24])=[O:23])[CH2:18][CH2:17]3)[N:10]2[N:9]=1
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Komponenten

7

Edukt 2

HCID 2856454-Fluorophenylboronic acidHCID 596557211-[7-(2-Chlorophenyl)-8-iodo-2-methylpyrazolo[1,5-a][1,3,5]triazin-4-yl]-4-ethylaminopiperidine-4-carboxylic Acid Amide

Produkt 1

HCID 113756131-[7-(2-Chlorophenyl)-8-(4-fluorophenyl)-2-methylpyrazolo[1,5-a][1,3,5]triazin-4-yl]-4-ethylaminopiperidine-4-carboxylic acid amideAusbeute 266 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 702EthanolLösungsmittel
HCID 1140TolueneLösungsmittel
HCID 10340Sodium CarbonateLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

A mixture of 1-[7-(2-chlorophenyl)-8-iodo-2-methylpyrazolo[1,5-a][1,3,5]triazin-4-yl]4-ethylaminopiperidine-4-carboxylic acid amide (I-1A-1i; 20 mg, 0.037 mmol) and 4-fluorophenylboronic acid (7.8 mg, 0.056 mmol) in ethanol (1.3 ml), toluene (1.3 ml) and 2M aqueous Na2CO3 (0.3 ml) was degassed (3×) by pulling a vacuum followed by refilling with nitrogen gas. Tetrakis(triphenylphosphine)palladium (6 mg, 0.005 mmol) was added and the mixture was heated at 80° C. for 5 hours. After cooling to room temperature, the mixture was extracted from water with ethyl acetate, the combined organic layers were washed with brine, dried (MgSO4), filtered through a 0.45 μm filter disk, and then concentrated, in vacuo, to afford the crude product (50 mg). Purification on a Chromatotron using 0-3% methanol in methylene chloride as eluant afforded a light yellow oil, which was crystallized from diethyl ether, and dried, in vacuo, to afford 1A-1 (11 mg, 58%) as a colorless solid: +ESI MS (M+1) 508.4; 1H NMR (400 MHz, CD3OD) δ 7.46-7.34 (m, 4H), 7.32 (dd, J=8.7, 5.4 Hz, 2H), 6.96 (t, J=8.7 Hz), 4.70-4.58 (br m, 2H), 4.40-4.25 (br m, 2H), 2.51 (q, J=7.1 Hz, 2H), 2.46 (s, 3H), 2.20-2.12 (br m, 2H), 1.83-1.75 (m, 2H), 1.10 (t, J=7.1 Hz, 3H).

Aufarbeitung

  1. customwas degassed (3×)
  2. temperatureAfter cooling to room temperature
  3. extractionthe mixture was extracted from water with ethyl acetate
  4. washthe combined organic layers were washed with brine
  5. dry with materialdried (MgSO4)
  6. filtrationfiltered through a 0.45 μm
  7. filtrationfilter disk
  8. concentrationconcentrated, in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-b4aa9e49570c4ad6bff8e0e539a91513
Quelldatensatz
uspto-grants-2008_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07329658B2

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