Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 22, Pages 6622-6626Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201502156
Keywords
metallostannylenes; ruthenium; stanna-imines; stannenes; stannylenes
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Funding
- National Science Foundation [CHE-1265674, CHE-0840505]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1265674] Funding Source: National Science Foundation
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Reactivity studies of the thermally stable ruthenostannylene complex [Cp*(IXy)(H)(2)RuSnTrip] (1; IXy=1,3-bis(2,6-dimethylphenyl)imidazol-2-ylidene; Cp*=(5)-C5Me5; Trip=2,4,6-iPr(3)C(6)H(2)) with a variety of organic substrates are described. Complex 1 reacts with benzoin and an ,-unsaturated ketone to undergo [1+4] cycloaddition reactions and afford [Cp*(IXy)(H)(2)RuSn((2)-O,O-OCPhCPhO)Trip] (2) and [Cp*(IXy)(H)(2)RuSn((2)-O,C-OCPhCHCHPh)Trip] (3), respectively. The reaction of 1 with ethyl diazoacetate resulted in a tin-substituted ketene complex [Cp*(IXy)(H)(2)RuSn(OC2H5)(CHCO)Trip] (4), which is most likely a decomposition product from the putative ruthenium-substituted stannene complex. The isolation of a ruthenium-substituted stannene [Cp*(IXy)(H)(2)RuSn(Flu)Trip] (5) and stanna-imine [Cp*(IXy)(H)(2)RuSn((2)-N,O-NSO2C6H4Me)Trip] (6) complexes was achieved by treatment of 1 with 9-diazofluorene and tosyl azide, respectively.
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