Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26999
Title: Synthesis and protonation of [RuH(NBD)(2,6-(Ph2PCH2)(2)C6H3)]
Authors: Liu, SH
Ng, SM
Wen, TB
Zhou, ZY
Lin, ZY
Lau, CP
Jia, GC
Issue Date: 2002
Publisher: Amer Chemical Soc
Source: Organometallics, 2002, v. 21, no. 20, p. 4281-4292 How to cite?
Journal: Organometallics 
Abstract: Treatment of [RuCl(PPh3)(PCP)] (PCP = 2,6-(Ph2PCH2)(2)C6H3) With norbornadiene (NBD,) in the presence of CuCl produces [RuCl(NBD)(PCP)]. Reaction of [RuCl(NBD)(PCP)1 with TlOTf gives [Ru(OTf)(NBD)(PCP)], which reacts with NaBH4 to produce [RuH(NBD)(PCP)]. Protonation of [RuH(NBD)(PCP)l with acetic acid in the presence of PPh3 gives norbornene and [Ru(OAc)(PPh3)(PCP)]. Protonation of [RuH(NBD)(PCP)] with HOTf gives norbornene and [Ru(OTf)(NBD)(PCP)]. Protonation of [RuH(NBD)(PCP)l with HOTf in the presence of MeCN gives norbornene, [Ru(MeCN)(NBD)(PCP)]OTf, and [Ru(MeCN)3(PCP)]OTf. In the protonation reactions, the NBD is likely hydrogenated through the dihydrogen intermediate [Ru(H-2)(NBD)(PCP)](+). A computational study shows that hydrogen transfer from the dihydrogen to the NBD ligand of [Ru(H-2)(NBD)(PCP)](+) proceeds through a stepwise mechanism.
URI: http://hdl.handle.net/10397/26999
ISSN: 0276-7333
DOI: 10.1021/om020521q
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