Journal of Organometallic Chemistry p. C1 - C6 (1990)
Update date:2022-08-11
Topics:
Kolesnikov, S. P.
Egorov, M. P.
Galminas, A. M.
Ezhova, M. B.
Nefedov, O. M.
et al.
The photochemical decomposition of 7-sila- and 7-germa-norbornadienes (1a,b) was studied by the CIDNP 1H technique.The reactions proceeds by a two-step mechanism via the reversible formation of singlet biradicals, II.The triplet biradical (II), formed as a result of S-T conversion of (II)(S), irreversibly decomposes giving Me2E (E = Si, Ge).The insertion of Me2E into the C-Br bond of PhCH2Br and the Sn-Cl bond of Me3SnCl occurs via a radical mechanism, as deduced from the CIDNP effects observed in these reactions.
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