Abstract
A series of stannylallene derivatives Me 3SnC(X) C C(Y)Z ( 1) (X = H, SnMe 3, SiMe 3, GeMe 3, SC 2H 5, Br; Y = H, SnMe 3; Z = H, SnMe 3, SiMe 3, GeMe 3, SC 2H 5) were studied by means of 13C, 29Si, 119Sn NMR spectroscopy. It is revealed that in 1 the effects of substituents on chemical shift (CS) values and spin spin coupling constants (SSCC) are additive. The set of linear correlations found between the isotope shifts (IS) and SSCC in the molecules of 1 demonstrates the interrelation of these values.
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