Carbyne-fluoro complexes of rhenium. Single-pot synthesis of trans-[ReF(CCH2R)-(Ph2PCH2CH2PPh2)2][BF4] |
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| Authors: | Sílvia S P R Almeida Joo J R Fraústo Da Silva Armando J L Pombeiro |
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| Institution: | Sílvia S. P. R. Almeida, João J. R. Fraústo Da Silva,Armando J. L. Pombeiro |
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| Abstract: | Treatment of a THF solution of trans-ReCl(N2)(dppe)2] (dppe = Ph2PCH2CH2PPh2) with a 1-alkyne HCCR (R =tBu, CO2Me, CO2Et, or C6H4Me-4), in the presence of TlBF4]/NH4]BF4], under sunlight, affords the corresponding carbyne-fluoro complexes trans-ReF(CCH2R)(dppe)2]BF4] in an unprecedented single-pot synthesis. Further reaction with BU4N]OH leads to the vinylidenefluoro compounds trans-ReF(=C=CHR)(dppe)2] (R = CO2Me, CO2Et, or C6H4Me-4). |
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