143958-03-6

Basic information

• Product Name: RuCl₂(P(OCH₂)3CC₂H₅)(P(C₆H₅)(CH₂CH₂P(C₆H₅)2)2)
• CAS NO: 143958-03-6
• Molecular Weight: 868.659
• Mol File: 143958-03-6.mol

Chemical Properties

• CAS DataBase Reference: RuCl₂(P(OCH₂)3CC₂H₅)(P(C₆H₅)(CH₂CH₂P(C₆H₅)2)2)(CAS DataBase Reference)
• NIST Chemistry Reference: RuCl₂(P(OCH₂)3CC₂H₅)(P(C₆H₅)(CH₂CH₂P(C₆H₅)2)2)(143958-03-6)
• EPA Substance Registry System: RuCl₂(P(OCH₂)3CC₂H₅)(P(C₆H₅)(CH₂CH₂P(C₆H₅)2)2)(143958-03-6)

Safety Data

• Hazardous Substances Data: 143958-03-6(Hazardous Substances Data)

Upstream product

• 62629-64-5 RuCl₂(P(C₆H₅)(CH₂CH₂P(C₆H₅)2)2) 
• 824-11-3 ethriol phosphite 

Downstream Products

• 143958-06-9 RuH₂(P(OCH₂)3CC₂H₅)(P(C₆H₅)(CH₂CH₂P(C₆H₅)2)2) 

Relevant articles and documents

Synthesis and spectroscopic characterization of ruthenium(II) η2-dihydrogen complexes of the type [RuH(η2-H2)(L)(triphos)]+ (L = CO, P(OCH2)3CEt, PMe2Ph; triphos = PPh(CH2CH2PPh2)2)

The dihydride complexes RuH2(L)(triphos) (L = CO (4), P(OCH2)3CEt (5), PMe2Ph (6); triphos = PPh(CH2-CH2PPh2)2) are prepared by reaction of RuCl2(L)(triphos) with NaBH4 in refluxing ethanol. Protonation of 4-6 in CD2Cl2 at 193 K with HBF4·OEt2 affords the η2-dihydrogen complexes [RuH(η2-H2)(L)(triphos)]+ (L = CO (7), P(OCH2)3CEt (8), PMe2Ph (9)). Deprotonation of 7-9 with NEt3 regenerates 4-6. The monohydride complexes [RuH(CH3CN)(L)(triphos)]BF4 (L = P(OCH2)3CEt (10), PMe2Ph (11)) are prepared from 8 and 9, respectively, by substitution of the η2-dihydrogen ligand with CH3CN. The η2-dihydrogen coordination in 7-9 is established by variable-temperature 1H NMR T1 measurements and 1JHD coupling constants. Complex 7 is fluxional and gives a broad resonance in the hydride region of the 1H NMR spectrum at all accessible temperatures, but the low T1(min) value of 8 ms suggests the presence of one η2-dihydrogen ligand. The hydride region of the 1H NMR spectrum of each of complexes 8 and 9 consists of a broad resonance for the η2-hydrogen ligand and a binomial pseudoquintet for the terminal hydride ligand. The T1(min) values of the η2-dihydrogen resonance are 13 and 9 ms for 8 and 9, respectively. The chemical shifts of the η2-HD resonances for the isotopomers [RuH(η2-HD)(L)(triphos)]+ and [RuD(η2-HD)(L)(triphos)]+ are different by 0.080 ppm for L = P(OCH2)3CEt and 0.067 ppm for L = PMe2Ph due to the higher trans influence of deuteride compared to that of hydride. These two isotopomers show a 1JHD coupling constant of 32.8 Hz for L = P(OCH2)3CEt and 32.2 Hz for L = PMe2Ph.