Novel heteroleptic stannylenes with intramolecular O,C,O-donor stabilization
(2000) Organometallics — Vol. 19, n° 22, p. 4613-4623 (2000)
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- The heteroleptic organotin(II) halides {2,6-[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}SnX (1, X = Cl; 2, X = Br) have been prepared starting from {2,6-[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}Li and SnX2 and have been used as precursors for the preparation of the heteroleptic stannylenes {2,6[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}SnX (4, X = SPh; 5, X = CH(SiMe3)(2); 6, X = SiPh3; 7, X = SnPh3; 7a, X = SnMe3), the tetravalent monorganotin derivatives {{2,6-[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}SnCl(mu -S)}(2) (8) and {2,6-[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}SnBr3 (9), the diorganotin cation {2,6-[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}(Ph3C)(Cl)Sn+PF6- (10), and the metal-stannylene complexes {2,6-[P(O)(OEt)(2)](2)-4-tert-Bu-C6H2}(Cl)Sn[M(CO)(n)] (11, M = W, n = 5; 12, M = Cr, n = 5; 13, M = Fe, n = 4). Multinuclear (H-1, C-13, P-31, Sn-119) NMR of all compounds, Sn-119 Mossbauer spectra of 1 and 10, and single-crystal X-ray structure analyses of 6, 8, and 12 are reported. The derivatives 6, 7, and 7a are rare examples of compounds containing Sn(II)-Si(IV) and Sn(II)-Sn(IV) bonds, respectively.
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Mehring, M., Low, C., Schurmann, M., Uhlig, F., Jurkschat, K., & Mahieu, B. (2000). Novel heteroleptic stannylenes with intramolecular O,C,O-donor stabilization. Organometallics, 19(22), 4613-4623. https://doi.org/10.1021/om000452k (Original work published 2000)