Bis-trialkylstannyl derivatives of chlorinated polycyclic dicarb

Details Bis-trialkylstannyl derivatives of chlorinated polycyclic dicarb Bis-trialkylstannyl derivatives of chlorinated polycyclic dicarb

1979-02-09

1981-04-14

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 1826, 260 27R, 260 318E, 260 318R, 260 336R, 525 4, C07F 722

Patent

active

042619149

ABSTRACT:
Proposed herein are bis-trialkylstannyl derivatives of chlorinated polycyclic dicarboxylic acids, of the general formula ##STR1## wherein R is a lower alkyl, R'=H,CH.sub.3, n=0,1, which are obtained by a condensation reaction of anhydrides of the respective dicarboxylic acids with hexaalkyldistannoxanes R.sub.3 SnOSnR.sub.3, wherein R is a lower alkyl, in the medium of an organic solvent.
The resulting compounds exhibit antifouling activity and represent active components of coatings intended to protect ships' bottoms and the submerged parts of various hydraulic structures against fouling. Antifouling polymer coatings containing said compounds are more effective and durable, and over five and more years prevent biomasses of marine organisms of vegetal and animal origin from accumulating on the surface.

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