Organometallic compounds of tin

Catalysts based on organometallic compounds of tin (dibutyltin dilau-rate), lead, bismuth, mercury, and cobalt are also frequently employed. As a general rule they are not selective they catalyze the reaction of isocyanates with both hydroxyl groups and water. 

Wasik, A., Namiesnik, J. Speciation of organometallic compounds of tin, lead, and mercury. Polish J. Environ. Studies 10, 405 13 (2001)... 

All these have been collated by Herbert and Ingeborg Schumann. The Gmelin handbooks cover comprehensively the organometallic compounds of tin. They are available in rather few libraries, but the database can be accessed and searched by computer. 

Organometallic compounds of tin and silver are also used in most cases to reduce odours and to retard surface growth, staining and embrittlement. 

This definition is both too narrow and too wide, since 25egler-Natta polymerizations are not only started with compounds of metals from the I to III main periodic table groups but also by organometallic compounds of tin and lead, that is, from metals of the IV main group. On the other hand, not all combinations made in the sense of the classic definition are effective. In addition, Ziegler-Natta catalysts do not necessarily induce polyinsertion polymerizations. 

Bodiot, D., "Infrared absorption spectra of organometallic compounds of tin and lead," Rev. Chim. Miner. 957-75 (I967) CA 3I567. 

TABLE 4. Structural determination of organometallic compounds containing tin atoms attached to aromatic rings by NMR and Mossbauer spectroscopic methods... 

P. G. Harrison, Organometallic Compounds of Germanium. Tin and Lead, Chapman Hall, London, 1985, p. 192. 

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