Process for the production of phosphoric acid-dimethylamide-dich

Details Process for the production of phosphoric acid-dimethylamide-dich Process for the production of phosphoric acid-dimethylamide-dich

1976-12-06

1978-07-04

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 926

Patent

active

040988198

ABSTRACT:
Process for the production of phosphoric acid-dimethylamide-dichloride (A) or phosphoric acid-bis-(dimethylamide)-chloride (B) by reacting phosphorus oxychloride and dimethylammonium chloride at elevated temperature under anhydrous conditions, which comprises heating phosphorus oxychloride with a mixture of dimethylammonium-chloride and A and/or B to temperatures of 130.degree. to 240.degree. C, using per mole of phosphorus oxychloride at least 1 mole of dimethylammonium chloride and optionally distilling off A or B from the reaction mixture. The compounds A and B produced according to the process are valuable intermediate products for the manufacture of pesticides, solvents, and lubricants.

REFERENCES:
Houben-Weyl, "Methoden der Org. Chem.," Band XII/2, Tal 2, pp. 383-385, 445-449 (1964).

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