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Dimethylformamide → (1R,10R,11S,16S)-5-methoxy-1,11,15,15-tetramethyl-8-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-3-carbonitrile

HRID 422171
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 422171
FC(F)(F)S(O[C:7]1[CH:24]=[C:23]([O:25][CH3:26])[CH:22]=[C:21]2[C:8]=1[C@@:9]1([CH3:30])[C@H:18]([CH2:19][S:20]2)[C@:17]2([CH3:27])[C@H:12]([C:13]([CH3:29])([CH3:28])[CH2:14][CH2:15][CH2:16]2)[CH2:11][CH2:10]1)(=O)=O.[CH3:33][N:34](C=O)C>CCOC(C)=O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].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.[Fe+2].[C-]#N.[C-]#N.[Zn+2]>[CH3:26][O:25][C:23]1[CH:22]=[C:21]2[C:8]([C@@:9]3([CH3:30])[C@H:18]([CH2:19][S:20]2)[C@:17]2([CH3:27])[C@H:12]([C:13]([CH3:29])([CH3:28])[CH2:14][CH2:15][CH2:16]2)[CH2:11][CH2:10]3)=[C:7]([C:33]#[N:34])[CH:24]=1
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Komponenten

7

Edukt 2

HCID 6228DimethylformamideHCID 53241983(1R,10R,11S,16S)-5-methoxy-1,11,15,15-tetramethyl-8-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-trien-3-yl trifluoromethanesulfonate

Produkt 1

HCID 58294810(1R,10R,11S,16S)-5-methoxy-1,11,15,15-tetramethyl-8-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-3-carbonitrileAusbeute 67 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 11186
Zinc cyanide (Zn(CN)2)
Katalysator
HCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)Katalysator
HCID 6505921(1E,4E)-1,5-diphenylpenta-1,4-dien-3-one; palladiumKatalysator
HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

A mixture of (1R,10R,11S,16S)-5-methoxy-1,11,15,15-tetramethyl-8-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-trien-3-yl trifluoromethanesulfonate (32) (0.20 g, 0.40 mmol), Pd(dba)2 (0.037 g, 0.11 mmol), dppf (0.09 g, 0.2 mmol), Zn(CN)2 (0.057 g, 0.48 mmol) in anhydrous DMF (5.0 mL) was placed in a microwave tube. The vessel was heated at 150° C. and 10 psi for 1 h. The reaction was cooled to room temperature, diluted with EtOAc and washed with water. The organic layer was concentrated to dryness. The crude product was purified by flash chromatography on silica gel (Hexanes/EtOAc, 10:1) to yield (1R,10R,11S,16S)-5-methoxy-1,11,15,15-tetramethyl-8-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-3-carbonitrile (77) (0.10 g, 67%) as a white solid.

Aufarbeitung

  1. customwas placed in a microwave tube
  2. temperatureThe reaction was cooled to room temperature
  3. washwashed with water
  4. concentrationThe organic layer was concentrated to dryness
  5. customThe crude product was purified by flash chromatography on silica gel (Hexanes/EtOAc, 10:1)

Quellen und Nachweise

ORD-Eintrag
ord-8166d12d5142454bb284b4f95c4b288f
Quelldatensatz
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08101605B2

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