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Chloromethyl phenyl sulphide → 2-Phenylthiomethyl-4-(3-methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxide

HRID 1721621
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1721621
[Cs].[CH3:2][CH:3]([CH3:15])[CH2:4][CH2:5][CH:6]1[N:10]([CH3:11])[S:9](=[O:13])(=[O:12])[NH:8][C:7]1=[O:14].CC(C)CCC1N(C)S(=O)(=O)NC1=O.[C:30]1([S:36][CH2:37]Cl)[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1>CO.CN(C=O)C>[C:30]1([S:36][CH2:37][N:8]2[C:7](=[O:14])[CH:6]([CH2:5][CH2:4][CH:3]([CH3:15])[CH3:2])[N:10]([CH3:11])[S:9]2(=[O:13])=[O:12])[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1
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Komponenten

6

Edukt 3

HCID 81623Chloromethyl phenyl sulphideHCID 189222624-(3-Methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxideHCID 867492844-(3-Methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxide cesium salt

Produkt 1

HCID 194244062-Phenylthiomethyl-4-(3-methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxideAusbeute 70,6 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 887
Methanol
Lösungsmittel
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
85 °C

Versuchsvorschrift

A mixture of 4-(3-methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxide cesium salt (prepared by reacting 7.7 g (34.95 mmol) of 4-(3-methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxide in methanol with 5.13 g of CS2CO3 followed by removal of the solvent and drying under high vacuum) and phenylthiomethyl chloride (6.65 g, 41.94 mmol) suspended in DMF was heated at 85° C. for 17 hours. The mixture was cooled, and poured into 300 ml of ice/water. The reaction mixture was extracted with ethyl acetate (3×) and the organic layer was washed with water and brine, and dried over sodium sulfate. The organic layer was concentrated in vacuo and the residue was purified by silica column chromatography (10% ethyl acetate in hexane) to afford 8.15 g (70.6%) of 2-phenylthiomethyl-4-(3-methylbutyl)-5-methyl-1,2,5-thiadiazolidin-3-one 1,1-dioxide (Formula VII: R1 =H; R2 =(CH2)2CH(CH3)2 ; R3 =CH3) as an oil.

Aufarbeitung

  1. customprepared
  2. customfollowed by removal of the solvent
  3. temperatureThe mixture was cooled
  4. extractionThe reaction mixture was extracted with ethyl acetate (3×)
  5. washthe organic layer was washed with water and brine
  6. dry with materialdried over sodium sulfate
  7. concentrationThe organic layer was concentrated in vacuo
  8. customthe residue was purified by silica column chromatography (10% ethyl acetate in hexane)

Quellen und Nachweise

ORD-Eintrag
ord-291ce25c3e7c4d2ab750cfb1304c39d9
Quelldatensatz
uspto-grants-1996_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05512576

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