Thiiran als Schwefelquelle für das 3z4e‐Bindungssystem im Komplex {(η5‐C5H5)(CO)2Mn}2S

Wiley - Tập 125 Số 11 - Trang 2363-2366 - 1992
Georg Beuter1, S. Drobnik1, Ingo‐Peter Lorenz1, Alfred Lubik1
1Institut für Anorganische Chemie der Universität Tübingen, Auf der Morgenstelle 18, W–7400 Tübingen

Tóm tắt

AbstractThiirane as Sulfur Source for the 3c4e Bonding System in the Complex {(η5‐C5H5)(CO)2Mn}2SThiirane (2) is used as source for the directed formation of the symmetrically bridged complex { (3) by its reaction with (η5‐C5H5)(CO)2MnTHF (1). Compound 3 can be oxidized, protonated, or methylated to give the {(η5‐C5H5)(CO)2Mn}2SSO complex {SO (4) or the SR+ cations [{(η5‐C5H5)(CO)2Mn}2SR]+ (R = H, CH3) (5, 6). Compounds 5 and 6 show an equilibrium between the open and closed form in solution at room temperature. According to an X‐ray structural analysis 3 crystallizes in the triclinic space group Pη1 and shows the open form IIa with a 3c4e bonding system which is isolobal to SO2, whereas the analogous rhenium complex has the isomeric closed form IIb with a metal – metal bond which is isolobal to thiirane.

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Wiley

Tập 125 Số 11

2363-2366

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