Complex RuH

Scheme 3.12 Enantioselective hydrogenation of a ketone by transfer from iso-propanol catalyzed by the hydride complex RuH( 6-arene)(NH2CHPhCHPhNTs) and the amido complex Ru(r 6-arene)(NHCHPhCHPhNTs) [94].

Recendy, we found that A -allyl-o-vii rlaniline 44 gave 1,2-dihydroquinoline 45 by normal RCM and developed silyl enol ether-ene metathesis for the novel synthesis of 4-siloxy-1,2-dihydroquinoline and demonstrated a convenient entry to quinolines and 1,2,3,4-tetrahydroquinoline [13], We also have found a novel selective isomerization of terminal olefin to give the corresponding enamide 46 using rathenium carbene catalyst [Ru] and silyl enol ether [14], which represented a new synthetic route to a series of substituted indoles 47 [12], We also succeeded an unambiguous characterization of mthenium hydride complex [RuH] with ACheterocyclic carbene... 

Wilkinson and his co-workers introduced another class of highly active hydrogenation catalysts in the form of the hydridocarboxylate complexes [RuH(02CR)(PPh3)3] (R=Me, Et,... 

Treatment of [RuH(PMe2Ph)5]PF6 with C02 in MeOH or EtOH gives the bidentate monoalkyl-carbonate esters (253). Recrystallization of [Ru(ff2-OCOH)(PMe2Ph)4]PF6 from ROH/acetone also gives (253). The hydrido complex [RuH(02C0R)(PI)h3)3] is obtained from [RuH2(PPh3)4], C02 and... 

RuH(HNC5H4N)(PPh3)3], With pyrocatechol and resorcinol, the yellow crystalline complexes [RuH(OC6H4OH)(PPh3)2]-n[(OH)2C6H4] (n = 2 and 0 respectively) are isolated and H NMR studies indicate that the phenolic rings are rr-bonded.1706... 

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