Unsubstituted Diorganotin Carboxylates Derived from Nitrogen Containing Acids

By rxn. of Bu2SnCl2 with aq. p-02NCeH4C02Na in petr. ether at 0 , in 87% yield (1051). 

By rxn. of Bu2SnO with P-O2NC6H4CO2H under reflux in CeHe or MePh (2732), in 83% yield (2595), rxn. in presence of 0-CIC6H4CO2H, in 98% yield (2395). 

Additional diorganotin carboxylates with nitrogen substituted acids are listed in Table 216. Other references to nitrogen substituted diorganotin carboxylates may be found in Subsections. 3-5-2.3 and. 3-5-2.8 and in Tables 211, 212, 217, 219 and 220. 

Bu2Sn(O2CC0H4Cl o)2 2Bu2SnO (Bu2Sn02CC0H4C1 P) 2O Bu2Sn(O2CC0H4Cl p)2 2Bu2SnO 

IB IB IVB IB VA IIIC IIIA IB (c) IIIA IIIA IB IIIA IIIA IIIA IIIA IIIC 

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