REACTIVITY OF THE DIPHOSPHINE Ph2PCH2PPh2WITH [(η6-p-CH3C6H4Pri)RuCl2]2. CRYSTAL STRUCTURES OF RUTHENIUM COMPLEXES CONTAINING MONODENTATE AND SINGLY-BRIDGING DIPHOSPHINE LIGANDS
- 1 July 1987
- journal article
- research article
- Published by Taylor & Francis in Journal of Coordination Chemistry
- Vol. 16 (1) , 9-17
- https://doi.org/10.1080/00958978708079801
Abstract
The reaction of [(p-CH3C6H4Pr i )RuCl2]2 with dpm in refluxing benzene or heptane (molar ratio, 1:2) leads to the formation of two products, the major one of which is the monodentate dpm complex [(p-CH3C6H4Pr i ) RuCl2 · dpm]. 1. A small amount (5–15%) of trans-RuCl2dpm2 is also formed. Complex 1 will react further with the starting dimer under the same conditions to yield the singly dpm bridged complex [(p-CH3C6H4Pr i ) RuCl2dpmCl2Ru(p-CH3C6H4Pr i )]. 2. 1 as the CH2Cl2 adduct crystallizes in the monoclinic space group P21/n with a = 15.981(6), b = 19.603(5), c = 11.525(5) Å, β = 96.08(5)°, and Z = 4 for Dc = 1.43 g cm−3. 2 as the CH2Cl2 adduct crystallizes in the othorhombic space group Pcca with a = 38.633(8), b = 12.062(4), c = 21.196(6) Å, and Z = 8 for Dc = 1.45 g cm−3. 1 was refined to R = 0.028 based on 3398 obserbed reflections, and 2, 0.077 based on 1900 observeds.Keywords
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