Dehydropolymerization of H3B·NMeH2 Using a [Rh(DPEphos)]+ Catalyst: The Promoting Effect of NMeH2
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DOI: 10.1021/acscatal.9b00081
Abstract: [Rh(κ2-PP-DPEphos){η2η2-H2B(NMe3)(CH2)2tBu}][BArF4] acts as an effective precatalyst for the dehydropolymerization of H3B·NMeH2 to form N-methylpolyaminoborane (H2BNMeH)n. Control of polymer molecular weight is achieved by variation of precatalyst loading (0.1–1 mol %, an inverse relationship) and use… read more here.
Keywords: dehydropolymerization h3b; precatalyst; h3b nmeh2; dpephos ... See more keywords
Heterobimetallic ruthenium-zinc complexes with bulky N-heterocyclic carbenes: syntheses, structures and reactivity.
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DOI: 10.1039/c8dt05023f
Abstract: The ruthenium-zinc heterobimetallic complexes, [Ru(IPr)2(CO)ZnMe][BArF4] (7), [Ru(IBiox6)2(CO)(THF)ZnMe][BArF4] (12) and [Ru(IMes)'(PPh3)(CO)ZnMe] (15), have been prepared by reaction of ZnMe2 with the ruthenium N-heterocyclic carbene complexes [Ru(IPr)2(CO)H][BArF4] (1), [Ru(IBiox6)2(CO)(THF)H][BArF4] (11) and [Ru(IMes)(PPh3)(CO)HCl] respectively. 7 shows clean reactivity… read more here.
Keywords: ruthenium; heterobimetallic ruthenium; imes pph3; ruthenium zinc ... See more keywords
Solvent-free anhydrous Li+, Na+ and K+ salts of [B(3,5-(CF3)2C6H3)4]-, [BArF4]-. Improved synthesis and solid-state structures.
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DOI: 10.1039/c9dt00235a
Abstract: A modified, convenient, preparation of solvent-free, anhydrous, Li+, Na+ and K+ salts of the ubiquitous [BArF4]- anion is reported, that involves a simple additional recrystallisation step. Anhydrous Na[BArF4], K[BArF4], and [Li(H2O)][BArF4], were characterised by single-crystal… read more here.
Keywords: salts cf3; free anhydrous; cf3 2c6h3; anhydrous salts ... See more keywords