Cyclometallation reactions inortho-methyl substituted iridium arylsviaCO insertion and oxidative C-H addition. Characterization of the reported IrH[C6H2Me2-(4,6)-CH2-(2)][P(OMe)3]3as the internally metallated benzoyl complexfac-IrH[C(O)C6H2Me2-(4,6)-H2(2)]-[P(OMe)3]3by X-Ray diffraction(1)
✍ Scribed by Klaus von Deuten; Lutz Dahlenburg
- Publisher
- Springer
- Year
- 1980
- Tongue
- English
- Weight
- 345 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0340-4285
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The nickel complex 2 Ni shows reactivity about 10 3 times greater than that of the cobalt analogue 2 Co . The oxidation ability of the M III (m-O) 2 M III core should be affected by the hindered Tp R ligand system, which can stabilize the 2 oxidation state of the metal centers.
X-ray crystallographic analyses are reported for the two title compounds (8 and 9), of which the former crystallized in two modifications (8n and 8b). In all three structures, the pyranose rings have the %, (D) conformation and the substituents at C-l are axial and those at C-24-4 are equatorial. Th