4-Chlorobutanoic acid → Gamma-Butyrolactone

HRID 463563

Reaktionsgleichung

Cl[CH2:2][CH2:3][CH2:4][C:5]([OH:7])=[O:6].[OH-].[K+]>>[CH:4]1([C:5]([OH:7])=[O:6])[CH2:2][CH2:3]1.[C:5]1(=[O:7])[O:6][CH2:2][CH2:3][CH2:4]1

Komponenten

Edukt 2

HCID 123004-Chlorobutanoic acid

HCID 14797Potassium Hydroxide

Produkt 2

HCID 7302Gamma-Butyrolactone

HCID 15655Cyclopropanecarboxylic acid

Versuchsvorschrift

It is known to condense the ethyl ester of 4-chlorobutyric acid with aqueous potassium hydroxide on pumice. There is obtained thereby in moderate yield the ethyl ester of cyclopropane carboxylic acid besides the free acid and γ-butyrolactone (Rambaud, BL. [5] (1938), pages 1552, 1564).

Aufarbeitung

customThere is obtained

Quellen und Nachweise

ORD-Eintrag: ord-036e0e2f002e418d8ac86ca239b78336
Quelldatensatz: uspto-grants-1985_05
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US04520209

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