Process for preparing (metal) alkylphosphonites I
AssigneeClariant GmbH
InventorsNorbert Weferling, Martin Sicken
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Abstract
The invention relates to a process for the preparation of (metal) salts of alkylphosphonous acids, which comprises reacting elemental yellow phosphorus with halogen-free alkylating agents in the presence of at least one base. The invention also relates to the use of the (metal) salts of alkylphosphonous acids prepared by this process.
Claims12
A process for the preparation of (metal) salts of alkylphosphonous acids, which comprises reacting elemental yellow phosphorous with at least one halogen-free alkylating agent selected from the group consisting of dialkyl sulfates, trialkyl phosphates, dialkyl carbonates and formic acid ortho-esters, in the presence of at least one base.
Dependencies are inferred from the claim text.