Organotin Derivatives of Keteneimine

N-organotln ketenelmldes are only reported in the literature very recently. All derivatives known decompose on heating above 50°. In common with most organotin amides, hydrolysis with moist air is facile. The compounds summarized in Table 239 prepared by the following methods. 

RCHaBr - EtgSnBr + 2-(C4BbO)CHsC(CN)aCH2R R - Ph, p-OaNCeH (2789), CHa CH 

By rxn. of BU3S11H with PhCH C(CH)a 1-BuCN in Ar atm. (I62I), relative rxn. rates (2615). 

IR spectrum, Yellow oil. Yellow oil. Yellow oil. Yellow oil. Yellow oil. Yellow oil. Yellow oil, IR spectrum. Yellow oil. Yellow oil. 

IR spectrum, mol. wt. Crude, IR spectrum, mol. wt. Crude, IR spectrum (1, n) Crude, IR spectrum (1) 

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