Ethyl 3-oxovalerate → Diethyl 2-Propionylazelate

HRID 329287

Reaktionsgleichung

Reaktionsgleichung von HRID 329287
[C:1]([CH2:5][C:6]([O:8][CH2:9][CH3:10])=[O:7])(=[O:4])[CH2:2][CH3:3].[CH2:11]([O:13][C:14]([CH:16](C(=O)C)[CH2:17][C:18]#[C:19][CH2:20][CH2:21]CC(OC)=O)=[O:15])[CH3:12].BrCCCCCCC(OCC)=O>>[C:1]([CH:5]([CH2:21][CH2:20][CH2:19][CH2:18][CH2:17][CH2:16][C:14]([O:13][CH2:11][CH3:12])=[O:15])[C:6]([O:8][CH2:9][CH3:10])=[O:7])(=[O:4])[CH2:2][CH3:3]

Komponenten

4

Edukt 3

HCID 78656Ethyl 3-oxovalerateHCID 122490Ethyl 7-bromoheptanoateHCID 22759276Methyl 8-Ethoxycarbonyl-9-oxo-5-decynoate2×

Produkt 1

HCID 22759291Diethyl 2-Propionylazelate

Versuchsvorschrift

The synthesis of this compound is carried out by the procedure of Example 4, Step A, except that an equivalent quantity of ethyl propionylacetate is substituted for the ethyl acetoacetate of Example 4, Step A, and an equivalent quantity of ethyl 7-bromoheptanoate is substituted for the methyl 7-bromo-5-heptynoate of Example 4, Step A. The product, a viscous oil, is used in the next step directly without distillation.

Aufarbeitung

  1. customThe synthesis of this compound
  2. distillationThe product, a viscous oil, is used in the next step directly without distillation

Quellen und Nachweise

ORD-Eintrag
ord-1d04c4f7b26c455ab875a2cad5831cf3
Quelldatensatz
uspto-grants-1977_04
Patentnummer
US04020177

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