Schering Aktiengesellschaft

Ulrich Schroeer

Hans Plum

Rolf Schrader

Alkali metal dialkylaluminum dihydrides of the formula

Alkali metal dialkylaluminum dihydrides and solutions thereof in

What are disclosed are monoalkylfluorotin compounds of the formula ##STR1## wherein R is alkyl having 1 to 12 carbon atoms, X taken alone is fluorine or carboxylate, Y taken alone is chlorine, carboxylate, or ##STR2## or wherein X and Y, taken together, are oxygen, and methods for making said compounds from alkanestannonic acids.

Monoalkylfluorotin compounds

Tri-isobutyl-tin azide, (i-Bu).sub.3 SnN.sub.3 is disclosed, as are certain bis-(azido-di-alkyl-tin)-oxides of the formula ##STR1## and a method for making them, as well as bactericidal and fungicidal agents comprising these biocidal tin compounds.

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Kamen-Methler, Germany

Ulrich Schroeer