Production of dichloroformoxime

Details Production of dichloroformoxime Production of dichloroformoxime

1984-04-25

1985-12-10

Trousof, Natalie

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

Organic compounds

Amino nitrogen containing

C07C13100

Patent

active

045581606

ABSTRACT:
A method for the production of dichloroformoxime is disclosed in which chloropicrin is dissolved in a nonbasic aprotic organic solvent together with anhydrous hydrogen chloride, and said chloropicrin is reduced to dichloroformoxime in said solution in the presence of powdered tin acting as both a reactant and catalyst. The reaction is preferably carried out in tetrahydrofuran using at least 15 grams of dissolved hydrogen chloride per 100 grams of solvent and chloropicrin in an amount of at least 50% of the weight of the hydrogen chloride. The powdered tin is used in an amount of at least about 1 mole of tin per mole of chloropicrin, and the reaction temperature is preferably about 0.degree. C.

REFERENCES:
Chiesa, Peter P., Report CRLR 322, Project No. 4-08-03-001 (1954), Army Chemical Center, Maryland.
Gryzskiewicz-Trochimowski, E. et al., Chemical Abstracts, vol. 42 (1948), #8165a.

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