83126-27-6

Upstream product

• 22337-78-6 carbonyldihydridotris(triphenylphosphine)ruthenium(II) 
• 25360-32-1 carbonyl bis(hydrido)tris(triphenylphosphine)ruthenium(II) 

Downstream Products

• 1147856-81-2 RuH(CO)(1-(2-amino-5-methylphenyl)-2,2-dimethyl-1-propanone(-1H))(PPh₃)₂ 
• 1147856-76-5 Ru(CO)(1-(2-aminophenyl)-2,2-dimethyl-1-propanone(-1H))(PPh₃)(t-BuC(O)C₆H₄) 
• 1147856-77-6 Ru(CO)(1-(2-amino-5-methylphenyl)-2,2-dimethyl-1-propanone(-1H))(PPh₃)(t-BuC(O)C₆H₄) 
• 1417711-24-0 Ru(CO)(1-(6-amino-3-methoxyphenyl)-2,2-dimethyl-1-propanone(-1H))(PPh₃)(t-BuC(O)C₆H₄) 
• 1417711-26-2 Ru(CO)(1-(6-amino-3-fluorophenyl)-2,2-dimethyl-1-propanone(-1H))(PPh₃)(t-BuC(O)C₆H₄) 
• 1417711-25-1 Ru(CO)(1-{2-amino-5-(trifluoromethyl)phenyl}-2,2-dimethyl-1-propanone(-1H))(PPh₃)(t-BuC(O)C₆H₄) 
• 1147856-75-4 RuH(CO)(1-(2-aminophenyl)-2,2-dimethyl-1-propanone(-1H))(PPh₃)₂ 
• 22337-78-6 carbonyldihydridotris(triphenylphosphine)ruthenium(II) 

Relevant academic research and scientific papers

Photochemical pump and NMR probe: Chemically created NMR coherence on a microsecond time scale

We report pump-probe experiments employing laser-synchronized reactions of para-hydrogen (para-H2) with transition metal dihydride complexes in conjunction with nuclear magnetic resonance (NMR) detection. The pump-probe experiment consists of a single nanosecond laser pump pulse followed, after a precisely defined delay, by a single radio frequency (rf) probe pulse. Laser irradiation eliminates H2 from either Ru(PPh3) 3(CO)(H)2 1 or cis-Ru(dppe)2(H)2 2 in C6D6 solution. Reaction with para-H2 then regenerates 1 and 2 in a well-defined nuclear spin state. The rf probe pulse produces a high-resolution, single-scan 1H NMR spectrum that can be recorded after a pump-probe delay of just 10 μs. The evolution of the spectra can be followed as the pump-probe delay is increased by micro- or millisecond increments. Due to the sensitivity of this para-H2 experiment, the resulting NMR spectra can have hydride signal-to-noise ratios exceeding 750:1. The spectra of 1 oscillate in amplitude with frequency 1101 ± 3 Hz, the chemical shift difference between the chemically inequivalent hydrides. The corresponding hydride signals of 2 oscillate with frequency 83 ± 5 Hz, which matches the difference between couplings of the hydrides to the equatorial 31P nuclei. We use the product operator formalism to show that this oscillatory behavior arises from a magnetic coherence in the plane orthogonal to the magnetic field that is generated by use of the laser pulse without rf initialization. In addition, we demonstrate how chemical shift imaging can differentiate the region of laser irradiation thereby distinguishing between thermal and photochemical reactivity within the NMR tube.

Substituent effects on stoichiometric and catalytic cleavage of carbon-nitrogen bonds in aniline derivatives by ruthenium-phosphine complexes

The reactivity of various o-acylaniline derivatives with ruthenium complexes was examined. The reaction of o-acylanilines with RuH 2(CO)(PPh3)3 (1) or an activated ruthenium species formulated as "Ru(CO)(PPh3)s

Ultrafast reductive elimination of hydrogen from a metal carbonyl dihydride complex; a study by time-resolved IR and visible spectroscopy

Laser flash photolysis of [Ru(PPh3)3(CO)(H)2] 1 in benzene solution yielded transient [Ru(PPh3)3(CO)] which was observed by both microsecond UV/VIS and IR spectroscopy [λmax = 380 nm, v(CO) = 1845 cm-1] and reacted with H2 to reform 1 [k2 = (8.4 ± 0.4) × 107 dm3 mol-1 s-1]; photolysis of 1 with an ultrafast laser equipped with IR detection demonstrates that reductive elimination of H2 and formation of [Ru(PPh3)3(CO)] is complete within 6 ps.