Unexpected Synthesis of Tetrahedral Fe/S Clusters via Highly Reactive Butterfly Intermediates (μ-HS)2Fe2(CO)5[RP(CH2OH)2]
Organometallics2010Vol. 29(22), pp. 5751–5753
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Abstract
Reactions of butterfly complex (μ-HS)2Fe2(CO)6 (1) with RP(CH2OH)2 under N2 followed by TLC separation in air gave the unexpected tetrahedral complexes (μ-S2)Fe2(CO)5[RP(CH2OH)2] (4a, R = Ph; 4b, η5-C5H4CH2FeCp). While the suggested pathway for production of 4a,b was proved by isolation and characterization of the very air-sensitive intermediate (μ-HS)2Fe2(CO)5[PhP(CH2OH)2] (M1), the in situ reaction of M1 with I(CH2)3I and Et3N allowed us to obtain model complex (μ-PDT)Fe2(CO)5[PhP(CH2OH)2] (5).
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