Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33306
Title: Protonation reactions of [MH(Cl)(PPh3)2(norbornadiene)] (M = Ru, Os)
Authors: Liu, SH
Yang, SY
Lo, ST
Xu, Z
Ng, WS
Wen, TB
Zhou, ZY
Lin, Z
Lau, CP
Jia, G
Issue Date: 2001
Publisher: American Chemical Society
Source: Organometallics, 2001, v. 20, no. 20, p. 4161-4169 How to cite?
Journal: Organometallics 
Abstract: Protonation of [RuH(Cl)(PPh3)2(NBD)] (NBD = norbornadiene) in benzene with a limiting amount of HOTf gives [RuH(OTf)(PPh3)2(NBD)], norbornene, and [RuCl2(PPh3)2]2. In dichloromethane, [RuH(Cl)(PPh3)2(NBD)] reacts with a limiting amount of HOTf to give [RuH(OTf)(PPh3)2(NBD)], norbornene, and the trimetallic complex [Ru3Cl5(PPh3)6]OTf. In contrast, protonation of [OsH(Cl)(PPh3)2(NBD)] in benzene or dichloromethane with limiting HOTf only gives [OsH(OTf)(PPh3)2(NBD)]. In the protonation of [RuH(Cl)(PPh3)2(NBD)], the norbornene is likely produced through the intermediate [RuH(HCl)(PPh3)2(NBD)]OTf. The involvement of [RuH(HCl)(PPh3)2(NBD)]+ in the formation of norbornene is supported by theoretical calculations based on the B3LYP density functional theory. The fact that norbornene is not produced in the protonation of [OsH(Cl)(PPh3)2(NBD)] can be attributed to the stronger osmium-olefin interaction.
URI: http://hdl.handle.net/10397/33306
ISSN: 0276-7333
EISSN: 1520-6041
DOI: 10.1021/om010029r
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