Copper(i) and silver(i) chemistry of vinyltrifluoroborate supported by a bis(pyrazolyl)methane ligand

Abstract

Although unsaturated organotrifluoroborates are common synthons in metal-organic chemistry, their transition metal complexes have received scant attention. The [CH2(3,5-(CH3)2Pz)2]Cu(CH2=CHBF3), (SIPr)Cu(MeCN)(CH2=CHBF3) and [CH2(3,5-(CH3)2Pz)2]Ag(CH2=CHBF3) represent rare, isolable molecules featuring a vinyltrifluoroborate ligand...

π-Bonding of Group 11 Metals to a Tantalum Alkylidyne Alkyl Complex Promotes Unusual Tautomerism to Bis-alkylidene and CO2 to Ketenyl Transformation

“…The π-activation of unsaturated hydrocarbons, such as alkenes, dienes, alkynes, or allenes, via coinage metals is well-established − and led to numerous methodologies and applications, especially in organic chemistry and catalysis. − Coinage metals are also known to efficiently coordinate to a number of heteroelement-based π-systems, − yet practical applications of the latter still remain limited. Despite the interest of metal–carbon triple bonds in organometallic chemistry, − the activation of MC motifs via external d-block metal centers is still in its infancy.…”