Preparation of p-p-disubstituted diaryl trichloroethanes

Preparation of p-p-disubstituted diaryl trichloroethanes

Preparation of insecticidal, biodegradable compositions comprising mixtures of p-p'disubstituted diaryl trichloroethanes. Chloral, and appropriate substitutal benzenes are condensed, in a single step, at low temperature, e.g., -30 DEG C., using a condensing agent preferably consisting of a mixt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: METCALF, ROBERT L, HIRWE, ASHA
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Preparation of insecticidal, biodegradable compositions comprising mixtures of p-p'disubstituted diaryl trichloroethanes. Chloral, and appropriate substitutal benzenes are condensed, in a single step, at low temperature, e.g., -30 DEG C., using a condensing agent preferably consisting of a mixture of sulfuric acid and acetic acid.