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Triethylamine → Ethyl 4-((R)-(2,4-difluorophenyl)((R)-1,1-dimethylethylsulfinamido)methyl)-phenyl(methyl)phosphinate

HRID 1525264
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1525264
Br[C:2]1[CH:7]=[CH:6][C:5]([C@H:8]([C:16]2[CH:21]=[CH:20][C:19]([F:22])=[CH:18][C:17]=2[F:23])[NH:9][S@@:10]([C:12]([CH3:15])([CH3:14])[CH3:13])=[O:11])=[CH:4][CH:3]=1.[CH3:24][PH:25]([O-])([O-:29])[O:26][CH2:27][CH3:28].CCN(CC)CC>C1COCC1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[F:23][C:17]1[CH:18]=[C:19]([F:22])[CH:20]=[CH:21][C:16]=1[C@H:8]([NH:9][S@@:10]([C:12]([CH3:15])([CH3:14])[CH3:13])=[O:11])[C:5]1[CH:6]=[CH:7][C:2]([P:25]([CH3:24])(=[O:29])[O:26][CH2:27][CH3:28])=[CH:3][CH:4]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 8471TriethylamineHCID 89462573(R)-N-((R)-(4-bromophenyl)(2,4-difluorophenyl)methyl)-2-methylpropane-2-sulfinamide2×HCID 178476778HCID 178476778, Verbindung

Produkt 1

HCID 117702173Ethyl 4-((R)-(2,4-difluorophenyl)((R)-1,1-dimethylethylsulfinamido)methyl)-phenyl(methyl)phosphinateAusbeute 81 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
Katalysator
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To (R)—N—((R)-(4-bromophenyl)(2,4-difluorophenyl)methyl)-2-methylpropane-2-sulfinamide, 20-c, (1 g, 2.5 mmol), ethyl methylphosphite (0.54 g, 5 mmol) and Et3N (0.63 g, 6.25 mmol) in THF (10 ml) was added PdCl2(dppf) (183 mg). The mixture was allowed to stir overnight at reflux. The mixture was filtered and the filtrate was concentrated under vacuum. The residue was taken into ethyl acetate and washed with brine. The organic layer was concentrated under vacuum and the residue was purified over silica gel to give compound, 20-d, (dichloromethane:methanol=50/1) to provide the product (866 mg, 81%).

Aufarbeitung

  1. temperatureat reflux
  2. filtrationThe mixture was filtered
  3. concentrationthe filtrate was concentrated under vacuum
  4. washwashed with brine
  5. concentrationThe organic layer was concentrated under vacuum
  6. customthe residue was purified over silica gel
  7. customto give compound, 20-d, (dichloromethane:methanol=50/1)

Quellen und Nachweise

ORD-Eintrag
ord-0fea72cf80e64579b5834d6640cad64e
Quelldatensatz
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09079930B2

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