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2-Pentenal, 4-methyl- → 4-Methyl-2-{5-[1-(4-methyl-pent-2-enyl)-piperidin-4-yl]-4'-trifluoromethyl-biphenyl-3-yl}-pentanoic acid ethyl ester

HRID 889750
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Reaktionsgleichung

Reaktionsgleichung von HRID 889750
[CH2:1]([O:3][C:4](=[O:32])[CH:5]([C:10]1[CH:11]=[C:12]([C:22]2[CH:27]=[CH:26][C:25]([C:28]([F:31])([F:30])[F:29])=[CH:24][CH:23]=2)[CH:13]=[C:14]([CH:16]2[CH2:21][CH2:20][NH:19][CH2:18][CH2:17]2)[CH:15]=1)[CH2:6][CH:7]([CH3:9])[CH3:8])[CH3:2].[CH3:33][CH:34]([CH3:39])[CH:35]=[CH:36][CH:37]=O.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCCl>[CH2:1]([O:3][C:4](=[O:32])[CH:5]([C:10]1[CH:11]=[C:12]([C:22]2[CH:27]=[CH:26][C:25]([C:28]([F:29])([F:30])[F:31])=[CH:24][CH:23]=2)[CH:13]=[C:14]([CH:16]2[CH2:17][CH2:18][N:19]([CH2:37][CH:36]=[CH:35][CH:34]([CH3:39])[CH3:33])[CH2:20][CH2:21]2)[CH:15]=1)[CH2:6][CH:7]([CH3:9])[CH3:8])[CH3:2]
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Komponenten

5

Edukt 3

HCID 214582-Pentenal, 4-methyl-HCID 5049666Sodium triacetoxyborohydrideHCID 576660434-Methyl-2-(5-piperidin-4-yl-4'-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester

Produkt 1

HCID 666982724-Methyl-2-{5-[1-(4-methyl-pent-2-enyl)-piperidin-4-yl]-4'-trifluoromethyl-biphenyl-3-yl}-pentanoic acid ethyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 11
1,2-Dichloroethane
Lösungsmittel

Versuchsvorschrift

To a solution of a mixture of 4-methyl-2-(5-piperidin-4-yl-4′-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester and methyl ester (68b) (60 mg, 0.13 mmol) in 1,2-dichloroethane (2.0 mL) was added 4-methyl-pent-2-enal (15 mg, 0.15 mmol) and sodiumtriacetoxyborohydride (37 mg, 0.17 mmol). The mixture was stirred for 2 h at room temperature. The reaction was quenched with water and extracted with dichloromethane. The organic was washed with saturated aqueous NaHCO3 solution and brine. The organic fraction was dried (MgSO4) and concentrated in vacuo. The crude mixture contained 4-methyl-2-{5-[1-(4-methyl-pent-2-enyl)-piperidin-4-yl]-4′-trifluoromethyl-biphenyl-3-yl}-pentanoic acid ethyl and methyl ester. Calcd for C31H40F3NO2 (M+H) 516.65, Found 516.30 (methyl ester) and Calcd for C32H42F3NO2 (M+H) 530.68, Found 531.24 (ethyl ester).

Aufarbeitung

  1. customThe reaction was quenched with water
  2. extractionextracted with dichloromethane
  3. washThe organic was washed with saturated aqueous NaHCO3 solution and brine
  4. dry with materialThe organic fraction was dried (MgSO4)
  5. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-a2d8188828094840a8058c2e75403bf8
Quelldatensatz
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08252935B2

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