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Dimethylformamide → 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-carbonitrile

HRID 1504114
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1504114
[CH2:1]([N:3]1[C:9](=[O:10])[C:8]([CH3:12])([CH3:11])[C:7](=[O:13])[N:6]([CH3:14])[C:5]2[CH:15]=[C:16](OS(C(F)(F)F)(=O)=O)[CH:17]=[CH:18][C:4]1=2)[CH3:2].[CH3:27][N:28](C=O)C>[C-]#N.[Zn+2].[C-]#N.[Pd].[Pd].C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].[Zn]>[CH2:1]([N:3]1[C:9](=[O:10])[C:8]([CH3:12])([CH3:11])[C:7](=[O:13])[N:6]([CH3:14])[C:5]2[CH:15]=[C:16]([C:27]#[N:28])[CH:17]=[CH:18][C:4]1=2)[CH3:2]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 2

HCID 6228DimethylformamideHCID 86670475Trifluoromethanesulfonic acid 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-yl ester

Produkt 1

HCID 669604771-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-carbonitrile

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 11186Zinc cyanide (Zn(CN)2)Katalysator
HCID 23994
Zinc
Katalysator
HCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)Katalysator
HCID 9832798Tris(dibenzylideneacetone) dipalladiumKatalysator

Reaktionsbedingungen

Temperatur
170 °C

Versuchsvorschrift

Trifluoromethanesulfonic acid 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-yl ester(0.12 g), zinc cyanide(70 mg), tris(dibenzylideneacetone) dipalladium 7 mg), 1,1′-bis(diphenylphosphino) ferrocene(8 mg), and zinc powder(2 mg) were added to DMF (1 ml), and the mixture was heated for 20 minutes at 170° C. (microwave reactor). The reaction liquid was cooled to room temperature, and subjected to celite filtration. The filtrate was condensed under reduced pressure, and the residue was purified by silica gel column chromatography (hexane: ethyl acetate=50:50→0:100). The purified product was condensed under reduced pressure to give the title compound(77 mg) as a white solid.

Aufarbeitung

  1. customThe reaction liquid
  2. temperaturewas cooled to room temperature
  3. filtrationsubjected to celite filtration
  4. customcondensed under reduced pressure
  5. customthe residue was purified by silica gel column chromatography (hexane: ethyl acetate=50:50→0:100)
  6. customcondensed under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-a0dd4503c302459c83027fdc64e11a03
Quelldatensatz
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09212187B2

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