Dehydrochlorination of 1,1-bis(R-phenyl)-2,2,2-trichloroethanes

Details Dehydrochlorination of 1,1-bis(R-phenyl)-2,2,2-trichloroethanes Dehydrochlorination of 1,1-bis(R-phenyl)-2,2,2-trichloroethanes

1992-06-19

1993-09-07

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570205, C07C 2520, C07C 1724

Patent

active

052431100

ABSTRACT:
1,1-Bis(R-phenyl)-2,2,2-trichloroethanes are dehydrochlorinated in high yields, e.g., into 1,1-bis(chlorophenyl)-2,2-dichloroethylenes, by reacting same with an aqueous solution of an alkali metal hydroxide, in liquid state in the presence of a phase transfer agent, e.g., a quaternary ammonium compound, but in the absence of any reaction solvent.

REFERENCES:
patent: 4337368 (1982-06-01), Pytlewski et al.
patent: 4960962 (1990-10-01), Brackenridge

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