On the Existence of Metal Carbonyl Carbene Complexes
β Scribed by O. S. Mills; Dr. A. D. Redhouse
- Publisher
- John Wiley and Sons
- Year
- 1965
- Tongue
- English
- Weight
- 115 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0044-8249
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π SIMILAR VOLUMES
The constitution of 6 was established by elemental analysis, the mass spectrum," O1 the relatively high-field position of the 31P NMR signal (6 = -87.6), and the appearance of two sets of pseudoquintets for the trimethylsilyl groups in the 'H and I3C NMR spectra.["lThe expected steric crowding of th
10 ml, and chromatographed on a silica gel column (Merck 0.05 to 0.2 mm; column dimensions 40 x 2 cm) at 0Β°C with hexane/benzene (4 : 1). The yellow zone is collected, the solvent removed in a high vacuum, and the residue recrystallized twice from n-pentane : pale yellow needles, m. p. 45 "C ; yield
The five-coordinate compound [RuHCl(CO)(PiPr 2 Ph) 2 ] (1), [RuHCl 2 (CO)(PiPr 2 Ph) 2 ] -contains the chloro ligands in cis and the phosphanes in trans disposition. The Ru=CH 2 bond which was prepared from RuCl 3 β’ 3 H 2 O and PiPr 2 Ph in methanol in the presence of NEt 3 , reacts with CO and wit