Ethyl 2-chloroacetoacetate → HCID 14500742, Verbindung

HRID 2350898Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2350898
[N:1]1([C:7]([NH:9][NH2:10])=S)[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1.[Cl:11][CH:12]([C:18]([CH3:20])=O)[C:13]([O:15][CH2:16][CH3:17])=[O:14]>C(O)C>[ClH:11].[CH3:20][C:18]1[NH:10][N:9]=[C:7]([N:1]2[CH2:6][CH2:5][O:4][CH2:3][CH2:2]2)[C:12]=1[C:13]([O:15][CH2:16][CH3:17])=[O:14]

Komponenten

4

Edukt 2

HCID 11858Ethyl 2-chloroacetoacetateHCID 4860905morpholine-4-carbothiohydrazide

Produkt 1

HCID 14500742HCID 14500742, VerbindungAusbeute 51,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702EthanolLösungsmittel

Versuchsvorschrift

A stirred slurry of 6.3 g (0.039 mole) of 4-morpholinecarbothioic acid hydrazide in 75 mL of absolute ethanol under nitrogen atmosphere was treated with 6.43 g (0.039 mole) of ethyl 2-chloroacetoacetate and the exothermic reaction mixture stirred at ambient temperature for 18 hr. The major portion of reaction mixture solids were dissolved by heating to reflux, the sulfur residue removed by filtration and the filtrate concentrated in vacuo to a solid, which was crystallized from 2-propyl alcohol to yield 5.5 g of white crystalline needles, mp 165°-173° C., as the hydrochloride salt.

Aufarbeitung

  1. customThe major portion of reaction mixture solids
  2. dissolutionwere dissolved
  3. temperatureby heating
  4. temperatureto reflux
  5. customthe sulfur residue removed by filtration
  6. concentrationthe filtrate concentrated in vacuo to a solid, which
  7. customwas crystallized from 2-propyl alcohol

Quellen und Nachweise

ORD-Eintrag
ord-e729fa25a58c45d9a351c44d0672c07f
Quelldatensatz
uspto-grants-1989_10
Patentnummer
US04871737

Notizen zur Reaktion

Wird geladen…