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Article: Synthesis and characterization of iron(2+) and ruthenium(2+) diimino-, diamino- and diamido-diphosphine complexes. X-ray crystal structure of trans-RuCl2(P2N2C2H4) · CHCl3

TitleSynthesis and characterization of iron(2+) and ruthenium(2+) diimino-, diamino- and diamido-diphosphine complexes. X-ray crystal structure of trans-RuCl2(P2N2C2H4) · CHCl3
Authors
Issue Date1996
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/poly
Citation
Polyhedron, 1996, v. 15 n. 8, p. 1241-1251 How to Cite?
AbstractThe interaction of Ru(OAc)2(Ph3P)2 with one equivalent of N,N′-bis[o-(diphenylphosphino)benzylidene]ethylenediamine (P2N2C2) in refluxing dichloromethane gave trans-Ru(OAc)2(P2N2C2) · 2H2O (I) in moderate yield (63%) ; in refluxing-toluene, it gave a red solid which upon recrystallization in CHCl3 gave trans-RuCl2(P2N2C2) · 2H2O (II) in good yield (92%). Compound II could also be prepared in good yield (85%) via the interaction of RuCl2(DMSO)4 with one equivalent of P2N2C2 in refluxing toluene. The interaction of RuCl2(DMSO)4 with one equivalent of N,N′-bis[o-(diphenylphosphino) benzylidene]-1,3-diaminopropane (P2N2C3), N,N′-bis[o-(diphenylphosphino)benzyl] ethylenediamine (P2N2C2H4) and N,N′-bis[o-(diphenylphosphino)benzamido]ethane (P2N2C2-amide) in refluxing toluene gave trans-RuCl2(P2N2C3) (III), trans-RuCl2(P2N2C2H4) (IV) and trans-RuCl2(P2N2C2-amide) (V) in good yield, respectively. The interaction of Fe(ClO4)2 · 6H2O with one equivalent of P2N2C2 and P2N2C2H4 in refluxing acetonitrile gave trans-[Fe(P2N2C2)(CH3CN) 2](ClO4)2 (VI) and trans-[Fe(P2N2C2H4) (CH3CN)2](ClO4)2 (VII), respectively. Interaction of FeCl2 · 4H2O with one equivalent of N,N′-bis[o-(diphenylphosphino)benzylidene]-1,6-diaminohexane (P2N2C6) in refluxing gave trans-FeCl2(P2N2C6) (VIII). Complexes I-VIII have been fully characterized by analytical and spectroscopic methods. The structure of IV has been established by an X-ray diffraction study. Compound II could be reduced to compound IV with NaBH4 in ethanol and oxidized to V with aqueous H2O2 acetonitrile. Catalytic studies showed that both II and IV were effected catalysts for the hydrogenation of acrylic acid to propionic acid.
Persistent Identifierhttp://hdl.handle.net/10722/70263
ISSN
2015 Impact Factor: 2.108
2015 SCImago Journal Rankings: 0.592
References

 

DC FieldValueLanguage
dc.contributor.authorGao, JXen_HK
dc.contributor.authorWan, HLen_HK
dc.contributor.authorWong, WKen_HK
dc.contributor.authorTse, MCen_HK
dc.contributor.authorWong, WTen_HK
dc.date.accessioned2010-09-06T06:21:14Z-
dc.date.available2010-09-06T06:21:14Z-
dc.date.issued1996en_HK
dc.identifier.citationPolyhedron, 1996, v. 15 n. 8, p. 1241-1251en_HK
dc.identifier.issn0277-5387en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70263-
dc.description.abstractThe interaction of Ru(OAc)2(Ph3P)2 with one equivalent of N,N′-bis[o-(diphenylphosphino)benzylidene]ethylenediamine (P2N2C2) in refluxing dichloromethane gave trans-Ru(OAc)2(P2N2C2) · 2H2O (I) in moderate yield (63%) ; in refluxing-toluene, it gave a red solid which upon recrystallization in CHCl3 gave trans-RuCl2(P2N2C2) · 2H2O (II) in good yield (92%). Compound II could also be prepared in good yield (85%) via the interaction of RuCl2(DMSO)4 with one equivalent of P2N2C2 in refluxing toluene. The interaction of RuCl2(DMSO)4 with one equivalent of N,N′-bis[o-(diphenylphosphino) benzylidene]-1,3-diaminopropane (P2N2C3), N,N′-bis[o-(diphenylphosphino)benzyl] ethylenediamine (P2N2C2H4) and N,N′-bis[o-(diphenylphosphino)benzamido]ethane (P2N2C2-amide) in refluxing toluene gave trans-RuCl2(P2N2C3) (III), trans-RuCl2(P2N2C2H4) (IV) and trans-RuCl2(P2N2C2-amide) (V) in good yield, respectively. The interaction of Fe(ClO4)2 · 6H2O with one equivalent of P2N2C2 and P2N2C2H4 in refluxing acetonitrile gave trans-[Fe(P2N2C2)(CH3CN) 2](ClO4)2 (VI) and trans-[Fe(P2N2C2H4) (CH3CN)2](ClO4)2 (VII), respectively. Interaction of FeCl2 · 4H2O with one equivalent of N,N′-bis[o-(diphenylphosphino)benzylidene]-1,6-diaminohexane (P2N2C6) in refluxing gave trans-FeCl2(P2N2C6) (VIII). Complexes I-VIII have been fully characterized by analytical and spectroscopic methods. The structure of IV has been established by an X-ray diffraction study. Compound II could be reduced to compound IV with NaBH4 in ethanol and oxidized to V with aqueous H2O2 acetonitrile. Catalytic studies showed that both II and IV were effected catalysts for the hydrogenation of acrylic acid to propionic acid.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/polyen_HK
dc.relation.ispartofPolyhedronen_HK
dc.rightsPolyhedron. Copyright © Elsevier BV.en_HK
dc.titleSynthesis and characterization of iron(2+) and ruthenium(2+) diimino-, diamino- and diamido-diphosphine complexes. X-ray crystal structure of trans-RuCl2(P2N2C2H4) · CHCl3en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0277-5387&volume=15&issue=8&spage=1241&epage=1251&date=1996&atitle=Synthesis+and+characterization+of+iron(2+)+and+ruthenium(2+)+diimino-,+diamino-+and+diamido-diphosphine+complexes.++X-ray+crystal+structure+of+Trans-RuCl2(P2N2C2H4).CHCl3en_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/0277-5387(95)00385-1en_HK
dc.identifier.scopuseid_2-s2.0-0000834116en_HK
dc.identifier.hkuros21857en_HK
dc.identifier.hkuros14612-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0000834116&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1241en_HK
dc.identifier.epage1251en_HK
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridGao, JX=7404474856en_HK
dc.identifier.scopusauthoridWan, HL=7201662605en_HK
dc.identifier.scopusauthoridWong, WK=7403972869en_HK
dc.identifier.scopusauthoridTse, MC=7103352654en_HK
dc.identifier.scopusauthoridWong, WT=7403973084en_HK

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