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Sodium Carbonate → Methyl [(3S)-5-(4-chlorophenyl)-7-(methyloxy)-2-thioxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]acetate

HRID 513171
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 513171
P12(SP3(SP(SP(S3)(S1)=S)(=S)S2)=S)=[S:2].C([O-])([O-])=O.[Na+].[Na+].[Cl:21][C:22]1[CH:27]=[CH:26][C:25]([C:28]2[C:34]3[CH:35]=[C:36]([O:39][CH3:40])[CH:37]=[CH:38][C:33]=3[NH:32][C:31](=O)[C@H:30]([CH2:42][C:43]([O:45][CH3:46])=[O:44])[N:29]=2)=[CH:24][CH:23]=1>ClCCCl>[Cl:21][C:22]1[CH:27]=[CH:26][C:25]([C:28]2[C:34]3[CH:35]=[C:36]([O:39][CH3:40])[CH:37]=[CH:38][C:33]=3[NH:32][C:31](=[S:2])[C@H:30]([CH2:42][C:43]([O:45][CH3:46])=[O:44])[N:29]=2)=[CH:24][CH:23]=1
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Komponenten

5

Edukt 3

HCID 10340Sodium CarbonateHCID 14817Phosphorus sulfide (P2S5)HCID 53261361(S)-methyl 2-(5-(4-chlorophenyl)-7-methoxy-2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)acetate

Produkt 1

HCID 57465560Methyl [(3S)-5-(4-chlorophenyl)-7-(methyloxy)-2-thioxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]acetateAusbeute 98 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 11
1,2-Dichloroethane
Lösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

A suspension of P4S10 (36.1 g, 81.1 mmol) and Na2CO3 (8.6 g, 81.1 mmol) in 1,2-DCE (700 mL) at room temperature was stirred for 2 h before Methyl [(3S)-5-(4-chlorophenyl)-7-(methyloxy)-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]acetate (for a preparation see Reference compound D) (16.8 g, 45.1 mmol) was added. The resulting mixture was stirred at 70° C. for 2 h before being cooled and filtered. The solid was washed twice with DCM and the filtrate washed with sat. NaHCO3 and brine. The organic layer was dried over Na2SO4, filtered and concentrated under reduced pressure. The crude product was purified by flash-chromatography on silica gel (DOM/MeOH:99/1) to afford the title compound (17.2 g, 98% yield) as a yellowish solid. LC/MS (Method D): m/z 389 [M(35Cl)+H]+, Rt 2.64 min

Aufarbeitung

  1. additionwas added
  2. temperaturebefore being cooled
  3. filtrationfiltered
  4. washThe solid was washed twice with DCM
  5. washthe filtrate washed with sat. NaHCO3 and brine
  6. dry with materialThe organic layer was dried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated under reduced pressure
  9. customThe crude product was purified by flash-chromatography on silica gel (DOM/MeOH:99/1)

Quellen und Nachweise

ORD-Eintrag
ord-ed1b9e784b0940828058c87a5766221a
Quelldatensatz
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09102677B2

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