Intramolecularly Coordinated Group 14 and 15 Chalcogenites

The synthesis of N→M intramolecularly coordinated group 14 and 15 chalcogenites is reported. The N→Sn intramolecularly coordinated organotin(IV) carbonate L(Ph)SnCO 3 ( 1 ), where L is the N,C,N-chelating ligand 2,6-(Me 2 NCH 2 ) 2 C 6 H 3 –, reacts with SO 2 and SeO 2 to provide the organotin(IV) sulfite L(Ph)SnSO 3 ( 4 ) and selenite [L(Ph)SnSeO 3 ] 2 ( 5 ), respectively. Treatment of [LSbO] 2 ( 2 ) and [LBiO] 2 ( 3 ) with SeO 2 provided the organoantimony and bismuth selenites LSbSeO 3 ( 6 ) and [LBiSeO 3 ] 3 ( 7 ), respectively. Compounds 5 – 7 are rare examples of mixed element oxides with well-defined stoichiometry MSeO 3 (M = Sn, Sb, Bi). Compounds 4 – 7 were characterized by means of elemental analyses, 1 H, 13 C, 77 Se, and 119 Sn NMR spectroscopies, IR spectroscopy, and single-crystal X-ray diffraction analysis.