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Triethylamine → 1-[1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropyl}-4-methylbenzamide

HRID 1610911
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1610911
[C:1]1([CH3:10])[CH:6]=[CH:5][C:4]([C:7](Cl)=[O:8])=[CH:3][CH:2]=1.[Cl:11][C:12]1[CH:13]=[C:14]([CH:28]=[CH:29][C:30]=1[Cl:31])[CH2:15][N:16]1[CH2:21][CH2:20][CH:19]([CH2:22][CH:23](N)[CH:24]([CH3:26])[CH3:25])[CH2:18][CH2:17]1.C([N:34](CC)CC)C>ClCCl>[Cl:11][C:12]1[CH:13]=[C:14]([CH:28]=[CH:29][C:30]=1[Cl:31])[CH2:15][N:16]1[CH2:21][CH2:20][CH:19]([CH2:22][CH:23]([C:4]2([CH:5]=[CH:6][C:1]([CH3:10])=[CH:2][CH2:3]2)[C:7]([NH2:34])=[O:8])[CH:24]([CH3:26])[CH3:25])[CH2:18][CH2:17]1
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Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 134054-Methylbenzoyl ChlorideHCID 222576661(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropylamine

Produkt 1

HCID 865889811-[1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropyl}-4-methylbenzamideAusbeute 95,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

p-Toluoyl chloride (0.077 ml, 0.58 mmol) was added to a solution of 1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropylamine (0.16 g, 0.49 mmol) in dichloromethane (2 ml) and triethylamine (0.12 ml, 1.63 mmol). The reaction mixture was stirred at room temperature for 1.5 h and was quenched with water. The product was then extracted with dichloromethane and the organic layer was washed with brine and dried over sodium sulfate. The crude product was purified on preparative TLC with 25% acetone, 25% dichloromethane in hexanes to give 0.21 g of N-{1-[1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropyl}-4-methylbenzamide as an oil, which was then converted to its dihydrochloride salt (0.15 g); m.p. 233.9-235.5° C.

Aufarbeitung

  1. customwas quenched with water
  2. extractionThe product was then extracted with dichloromethane
  3. washthe organic layer was washed with brine
  4. dry with materialdried over sodium sulfate
  5. customThe crude product was purified on preparative TLC with 25% acetone, 25% dichloromethane in hexanes

Quellen und Nachweise

ORD-Eintrag
ord-16f23ad938c146aaa2420ddc3dd3193b
Quelldatensatz
uspto-grants-2006_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06984637B2

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