4-C 4 H 2 S}) and R 2 PCH 2 CH 2 PR 2 (R = Me, Et) at 50 °C for 12 h to yield the corresponding dinuclear complexes in very good yields. These dinuclear tin-substituted vinylidene complexes were further treated with an excess of MeOH to give the corresponding dinuclear parent vinylidene complexes of the type [Mn(MeC 5 H 4 )(R 2 PCH 2 CH 2 PR 2 )=C=C(H)} 2 X}] (X = μ-1,4-C 6 H 4 }, R = Me, 6a; X =
[Mn(MeC 5 H 4 )(R 2 PCH 2 CH 2 PR 2 )=C=C(SnMe 3 )} 2 X}] ( X = μ-1,4-C 6 H 4 }, R = Me, 2a; X = μ-1,4-C 6 H 4 }, R = Et, 2b; X = μ-1,3 -C 6 H 4 }, R = Me, 3a; X = μ-1,3-C 6 H 4 }, R = Et, 3b; X = μ-4,4-C 6 H 4 -C 6 H 4 }, R = Me, 4a; X = μ-4,4-C 6 H 4 -C 6 H 4 }, R = Et, 4b; X = μ-1,4-C 4 H 2 S }, R = Me, 5a; X = μ-1,4-C 4 H 2 S}, R = Et, 5b) 由[Mn(C 5 H 4 Me) (η 6 -
环庚三烯)] 与 0.5 当量。相应的
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