Process for the production of O,O-dialkylphosphorodithioates

Details Process for the production of O,O-dialkylphosphorodithioates Process for the production of O,O-dialkylphosphorodithioates

1979-11-26

1983-12-27

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07F 965

Patent

active

044232209

ABSTRACT:
A new process for the production of O,O-dialkylphosphorodithioates of the formula ##STR1## wherein R represents methyl or ethyl, and R.sub.1 and R.sub.2 are identical or different, and each represent an alkyl, alkenyl or alkoxyalkyl group having in each case at most 5 carbon atoms is disclosed. The process comprises reacting an essentially equimolar mixture of a piperidine of the formula ##STR2## and a free O,O-dialkyldithiophosphoric acid of the formula ##STR3## or a sodium, potassium or ammonium salt thereof, in the presence of an acid binding agent, with chloroacetylchloride.

REFERENCES:
patent: 3130217 (1964-04-01), Dickhaeuser et al.
patent: 3232830 (1966-02-01), Schrader et al.
patent: 3833600 (1974-09-01), Toepfl
Smith, P., The Chemistry of Open-Chain Organic Nitrogen Compounds, vol. 1, W. A. Benjamin, New York, 1965, p. 152.
Ronwin, J. Org. Chem., 18, 127-132, (1953).
Chemical Abstracts, 61: 6987b, (1964) [Parrot, J., et al.] Compt. Rend. 258(24), 5898-5899, (1964).

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