Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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$New η^3-Allyl-Alkenyl- and η^3-Allyl-Alkynyl-Ir-Cp^* Compounds from Reactions of [Cp^*Ir(η^3-CH_2CHCHPh)(NCMe)]^+ with Alkynes$

  • Published : 20010700
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Abstract

Reactions of [Cp*Ir(η3-CH2CHCHPh)(NCMe)]OTf (1) with HC≡CR (R = H, CH2OH) in the presence of bases, B (B=NEt3, PPh3, AsPh3) produce stable Cp*Ir-η3-allyl-alkenyl compounds [Cp*Ir(η3-CH2CHCHPh)(-CH=CH-+B)]OTf (2) and [Cp*Ir(η3-CH2CHCHPh)(-C(CH2OH)=CH- +PPh3)]OTf (3), respectively in high yields. Cp*Ir-η3-allyl-alkynyl compounds Cp*Ir(η3-CH2CHCHPh(-C≡C-R') (4) and Cp*(η3-CH2CHCHPh)Ir-C≡C-p-C6H4-C≡C-Ir(η3-CH2CHCHPh)Cp* (5) have been prepared from reactions of 1 with HC≡CR'(R' = C6H5, p-C6H4CH3, C3H5, C6H9) and HC≡C-p-C6H4-C≡CH in the presence of NEt3.

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References

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