4-chloro-5-oxo-hexanoic acid nitrile,...

Details 4-chloro-5-oxo-hexanoic acid nitrile,... 4-chloro-5-oxo-hexanoic acid nitrile,...

Category

C - Chemistry, Metallurgy

Subcategory

07

Subsubcategory

C

CPC

260/562.5

IPC codes

C07C 120/00 (1980.01) C07C 121/76 (1980.01)

Type

Patent

Patent number

CA 1048540

Description

4-CHLORO-5-OXO-HEXANOIC ACID NITRILE, 6-CHLORO-5-OXO-HEXANOIC ACID NITRILE AND PROCESS FOR THEIR MANUFACTURE Abstract of the disclosure: The compounds 4-chloro-5-oxo-hexanoic acid nitrile and 6-chloro-5-oxo-hexanoic acid nitrile are prepared by chlori- nating 5-oxo-hexanoic acid nitrile in an aqueous 20 to 40% solution at temperatures of from 25 to 55°C, separating the precipitating oily second phase and submitting it to distil- lation. Said compounds are valuable starting products for preparing ?- or .epsilon. -amino acids and important synthesis pro- ducts for preparing heterocyclic compounds.

Application Number

227256

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