Process for preparing organotin compounds

Details Process for preparing organotin compounds Process for preparing organotin compounds

1976-01-14

1978-05-30

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 722

Patent

active

040923401

ABSTRACT:
Tetraalkyltin compounds substantially free from tin, tin alkyl and di alkyl contaminants are prepared by reacting an alkyl halide of 1 - 4 carbon atoms with tin in the presence of an 'onium salt e.g. a quaternary ammonium halide and at least 0.5 g atom of zinc per g atom of tin, and collecting a vapor phase effluent comprising the tetraalkyltin. The tetraalkyltin can be disproportionated with stannic chloride to give alkyltin chlorides, intermediates for making stabilizers for polymers and biocides.

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