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Binap, (A+-)- → 4-(1'-Cyclopropylmethyl-2'-oxo-3,4,5,6,1',2'-hexahydro-2H-[1,4']bipyridinyl-4-yl)-benzoic acid

HRID 2276324
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2276324
C[O:2][C:3](=[O:16])[C:4]1[CH:9]=[CH:8][C:7]([CH:10]2[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]2)=[CH:6][CH:5]=1.C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.Br[C:64]1[CH:69]=[CH:68][N:67]([CH2:70][CH:71]2[CH2:73][CH2:72]2)[C:66](=[O:74])[CH:65]=1>C1(C)C=CC=CC=1.CCOC(C)=O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH:71]1([CH2:70][N:67]2[CH:68]=[CH:69][C:64]([N:13]3[CH2:14][CH2:15][CH:10]([C:7]4[CH:8]=[CH:9][C:4]([C:3]([OH:2])=[O:16])=[CH:5][CH:6]=4)[CH2:11][CH2:12]3)=[CH:65][C:66]2=[O:74])[CH2:72][CH2:73]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 3

HCID 634876Binap, (A+-)-HCID 24904226Methyl 4-(piperidin-4-yl)benzoateHCID 585545154-Bromo-1-(cyclopropylmethyl)pyridin-2(1H)-one

Produkt 1

HCID 594971014-(1'-Cyclopropylmethyl-2'-oxo-3,4,5,6,1',2'-hexahydro-2H-[1,4']bipyridinyl-4-yl)-benzoic acid

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 167845
palladium(II) acetate
Katalysator
HCID 1140TolueneLösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

4-Piperidin-4-ylbenzoic acid methyl ester (0.40 g, 1.81 mmol), palladium(II) acetate (0.015 g, 0.069 mmol) sodium tert-butoxide (0.34 g, 3.44 mmol) and BINAP (0.06 g, 0.096 mmol) were added to a stirred solution of intermediate D3 (0.31 g, 1.37 mmol) in toluene (10 ml). The reaction mixture was heated at 100° C. for 16 hours in a sealed tube. After cooling to room temperature the mixture was diluted with EtOAc and then filtered through diatomaceous earth, after which the solvent was evaporated in vacuo. The crude residue was treated with a mixture of DCM/methanol and then filtered off. The filtrate was evaporated to dryness in vacuo to yield crude D37 (0.48 g, 100%) that was used without further purification.

Aufarbeitung

  1. temperatureAfter cooling to room temperature the mixture
  2. filtrationfiltered through diatomaceous earth
  3. customafter which the solvent was evaporated in vacuo
  4. additionThe crude residue was treated with a mixture of DCM/methanol
  5. filtrationfiltered off
  6. customThe filtrate was evaporated to dryness in vacuo
  7. customto yield crude D37 (0.48 g, 100%) that
  8. customwas used without further purification

Quellen und Nachweise

ORD-Eintrag
ord-6aeb2cab14ec43cdadcf3a56086726e8
Quelldatensatz
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09132122B2

Notizen zur Reaktion

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