Processes for making phosphorus derivatives of aminothiomethylca

Details Processes for making phosphorus derivatives of aminothiomethylca Processes for making phosphorus derivatives of aminothiomethylca

1980-07-21

1982-10-19

Sutto, Anton H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260968, 549 5, 549 6, 560 16, 560137, C07D30788, C07F 924

Patent

active

043549756

ABSTRACT:
This invention pertains to novel processes for preparing phosphorus derivatives of aminothiomethylcarbamates using as intermediates corresponding phosphorus derivatives of aminothiocarbamic halides. The carbamates are useful as pesticides against insects, mites, and nematodes. Two processes for preparing the corresponding intermediates are described. One preparation generally reacts an appropriate N-chlorothiophosphoramide with N-methylcarbamoyl halide. The other preparation generally reacts an N-chlorothiomethylcarbamoyl halide with an appropriate phosphoramide. The intermediate will react with various alcohols to produce the desired carbamates in the process of the invention.

REFERENCES:
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patent: 3825630 (1974-07-01), Sello et al.
patent: 4024277 (1977-05-01), Engel
patent: 4081536 (1978-03-01), Nelson
patent: 4279839 (1981-07-01), Nelson
patent: 4279840 (1981-07-01), Nelson
Raiford et al., "J. Org. Chem.", vol. V, (1940), pp. 300-312.
Marino, "Topics in Sulfur Chemistry", vol. 1, (1976), pp. 1, 14 and 15.

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