Issue 0, 1968

Organometallic reactions. Part XIV. The decarboxylation of trialkyltin carbamates by isocyanates and isothiocyanates: a new route to carbodi-imides

Abstract

Two aspects of organometallic addition reactions are discussed. In the first, one acceptor, A2[double bond, length half m-dash]B2, displaces another, A1[double bond, length half m-dash]B1, from the adduct MABX. M–A1–B1–X + A2[double bond, length half m-dash]B2 M–A2–B2–X + A1[double bond, length as m-dash]B1

In the second, exchange of the groups X and A between the addendum MXM and the acceptor A[double bond, length half m-dash]B, is brought about by an addition–elimination sequence. M–X–M + A[double bond, length half m-dash]B M–A–B–X–M M–A–M + X[double bond, length half m-dash]B

Tributyltin carbamates have been shown to react by the first process with isocyanates to give tributyltin derivatives of ureas. The same carbamates react with isothiocyanates by a combination of the two processes and the reaction provides a new route to carbodi-imides.

Article information

Article type
Paper

J. Chem. Soc. C, 1968, 2640-2646

Organometallic reactions. Part XIV. The decarboxylation of trialkyltin carbamates by isocyanates and isothiocyanates: a new route to carbodi-imides

A. J. Bloodworth, A. G. Davies and S. C. Vasishtha, J. Chem. Soc. C, 1968, 2640 DOI: 10.1039/J39680002640

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