Abstract
A magnetic isotope effect on 117Sn and 119Sn nuclei was observed for the first time in the photolysis of (1-naphthylmethyl)-trimethyltin 1. The isotope effect is accompanied by the fractionation of magnetic and non-magnetic tin isotopes: the magnetic isotopes are accumulated in starting compound 1, whereas the non-magnetic isotopes predominate in the photolysis product, hexamethyldistannane 2.
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