PROCESS FOR THE PREPARATION OF VINYL CARBAMATES AND NOVEL VINYL CARBAMATES

NOVEL PROCESS FOR THE PREPARATION OF VINYL CARBAMATES AND NOVEL VINYL CARBAMATES A process for the preparation of vinyl carbamates of formula I < IMG > (I) is described which comprises heating an ?-halogeno-carbamate of formula II < IMG > (II) in which X is a halogen atom at a temperatur...

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Hauptverfasser:	WOODEN, GARY P, OLOFSON, ROY A, MARTZ, JONATHAN T
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Zusammenfassung:	NOVEL PROCESS FOR THE PREPARATION OF VINYL CARBAMATES AND NOVEL VINYL CARBAMATES A process for the preparation of vinyl carbamates of formula I < IMG > (I) is described which comprises heating an ?-halogeno-carbamate of formula II < IMG > (II) in which X is a halogen atom at a temperature between 70.degree. and 250.degree.C for a period of time between several minutes up: to several hours.- R1, R2, R3, and R4 are the same or different. The process is applicable to a great variety of products in which R1, R2, R3, and R4 have different meanings. The process permits to prepare in a simple and economical fashion, vinyl carbamates, which have industrial value and novel vinyl carbamates.