US 4,906,414 A · Chlorinated .beta.-ketoesters

Abstract

New chlorinated .beta.-ketoesters of the formula: ##STR1## wherein R represents alkyl of 1 through 6 carbon atoms or alkenyl of 2 through 6 carbon atoms, and R.sub.1 represents alkyl of 1 through 4 carbon atoms, their preparation and their use for the preparation of ethylenic ketones of the formula: ##STR2## wherein R is as hereinbefore defined.

Claims1

Dependent claims

A chlorinated .beta.-ketoester of the formula:

##STR19## wherein R1 represents alkyl of 1 through 4 carbon atoms.

Dependencies are inferred from the claim text.

Facts

Application

07/303,082Filed 25 Jan 1989 · continuation

Priority

FR 81 2368418 Dec 1981

Granted

6 Mar 1990

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 49/227
Unsaturated compounds containing keto groups bound to acyclic carbon atoms: containing halogen
C07C 45/65
By reactions not involving the formation of >C = O groups: by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional…
C07C 45/676
By change of size of the carbon skeleton: by elimination of carboxyl groups
C07C 49/203
Unsaturated compounds containing keto groups bound to acyclic carbon atoms: with only carbon-to-carbon double bonds as unsaturation

Chlorinated .beta.-ketoesters

Life of this patent

Abstract

Claims1

Chlorinated .beta.-ketoesters

Life of this patent

Abstract

Claims1