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Diisopropylethylamine → 3-[1-(4-Chloro-phenyl)-piperidin-4-yl]-1-[4-(4-nitro-3-trifluoromethyl-phenylamino)-piperidin-1-yl]-propan-1-one

HRID 511182
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Reaktionsgleichung

Reaktionsgleichung von HRID 511182
[Li+].[Cl:2][C:3]1[CH:8]=[CH:7][C:6]([N:9]2[CH2:14][CH2:13][CH:12]([CH2:15][CH2:16][C:17]([O-:19])=O)[CH2:11][CH2:10]2)=[CH:5][CH:4]=1.F[P-](F)(F)(F)(F)F.CN(C)C(ON1C2C=CC=CC=2N=N1)=[N+](C)C.Cl.[N+:45]([C:48]1[CH:53]=[CH:52][C:51]([NH:54][CH:55]2[CH2:60][CH2:59][NH:58][CH2:57][CH2:56]2)=[CH:50][C:49]=1[C:61]([F:64])([F:63])[F:62])([O-:47])=[O:46].C(N(C(C)C)CC)(C)C.[O-2].[Al+3].[O-2].[O-2].[Al+3]>O1CCCC1.CN(C)C=O>[Cl:2][C:3]1[CH:4]=[CH:5][C:6]([N:9]2[CH2:10][CH2:11][CH:12]([CH2:15][CH2:16][C:17]([N:58]3[CH2:59][CH2:60][CH:55]([NH:54][C:51]4[CH:52]=[CH:53][C:48]([N+:45]([O-:47])=[O:46])=[C:49]([C:61]([F:62])([F:63])[F:64])[CH:50]=4)[CH2:56][CH2:57]3)=[O:19])[CH2:13][CH2:14]2)=[CH:7][CH:8]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 5

HCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9989226AluminaHCID 585764893-[1-(4-Chloro-phenyl)-piperidin-4-yl]-propionic acid lithium saltHCID 66671805(4-Nitro-3-trifluoromethyl-phenyl)-piperidin-4-yl-amine hydrochloride

Produkt 1

HCID 585767213-[1-(4-Chloro-phenyl)-piperidin-4-yl]-1-[4-(4-nitro-3-trifluoromethyl-phenylamino)-piperidin-1-yl]-propan-1-oneAusbeute 24 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittel2×HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 3-[1-(4-chloro-phenyl)-piperidin-4-yl]-propionic acid lithium salt (14 mg; 0.05 mmol, prepared in accordance with Example 143) in tetrahydrofuran (0.5 mL) is added tetramethyl-O-(1H-benzotriazol-1-yl)uronium hexafluorophosphate (19 mg; 0.05 mmol) in dimethylformamide (0.25 mL). A solution of (4-nitro-3-trifluoromethyl-phenyl)-piperidin-4-yl-amine hydrochloride (16 mg; 0.05 mmol, prepared in accordance with Example 8) in dimethylformamide (0.25 mL) and diisopropylethyl amine (25 μL; 0.15 mmol) are then added and the reaction is stirred. After 3 hours at room temperature, aluminium oxide (90 active basic) is added and stirring is continued for 40 minutes. The solids are removed by filtration and the filtrate is concentrated under high vacuum. The obtained residue is purified by preparative HPLC to afford the desired compound (6 mg; 0.012 mmol). The structure was confirmed using Protocol I-D. Calculated mass=539; observed mass=539; HPLC retention time=1.88 min.

Aufarbeitung

  1. stirringstirring
  2. waitis continued for 40 minutes
  3. customThe solids are removed by filtration
  4. concentrationthe filtrate is concentrated under high vacuum
  5. customThe obtained residue is purified by preparative HPLC

Quellen und Nachweise

ORD-Eintrag
ord-29851b90623542dbac0442e9a96b51ac
Quelldatensatz
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09096524B2

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