Výsledky vyhledávání - "C. S. McQueen"

Synthesis, X-ray structures and infrared spectroelectrochemistry of orthometallated derivatives of pyrrolyl complexes of iron and manganese formed by reaction with [Os3(CO)10(MeCN)2]

Autor: Ysaura De Sanctis, Robin J. H. Clark, Nicholas I. Powell, Stephen P. Best, Roderick C. S. McQueen, Alejandro J. Arce, Antony J. Deeming, Carola Acuña

Publikováno v: J. Chem. Soc., Dalton Trans.. :1111-1115

The compound [Fe(C4H4N)(C5H5)] reacts with [Os3(CO)10(MeCN)2] to give the air-stable orthometallated compound [Os3H{(C4H3N)Fe(C5H5)}(CO)10]1, the crystal structure of which has been determined. The Os3 cluster is linked to the Fe atom by the eight-el

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b77806a966c40d353167c9dacba0bd0a
https://doi.org/10.1039/dt9910001111

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Infrared spectroelectrochemical studies of bis(1,2-dithiolene) complexes of transition metals

Autor: Stephen P. Best, Slava A. Ciniawsky, Robin J. H. Clark, Roderick C. S. McQueen

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :2267

Infrared spectroelectrochemical studies have been conducted on the series of complexes [M(mnt)2]n–(mnt =cis-1,2-dicyanoethylene-1,2-dithiolate; M = Fe or Au, n= 1; M = Co, Ni, Cu, Pd or Pt, n= 2). The v(CN) values for related mono-, di-, and (for M

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a1aebc4a5ee64ca834c8eba97680902
https://doi.org/10.1039/dt9930002267

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The electrochemical reduction of an unsaturated mixed-metal cluster anion: Synthesis and x-ray crystal structure of [(Ph3P)2N][{Os3H(CO)10}2Ag]

Autor: Paul R. Raithby, Roderick C. S. McQueen, Mariano Fajardo, H. Diane Holden, Jack Lewis, M. Pilar Gómez-Sal, Brian F. G. Johnson

Publikováno v: Journal of Organometallic Chemistry. 267:c25-c28

The unsaturated mixed-metal cluster anion [{Os 3 H(CO) 10 } 2 Ag] − has been prepared by the reaction of [(Ph 3 P) 2 N][Os 3 H(CO) 11 ] with Ag[PF 6 ], and the anion has been shown by an X-ray analysis to consist of an Ag I atom linking together tw

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2b81382f1054305c36f3c2622fcb01a
https://doi.org/10.1016/0022-328x(84)80205-3

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Osmium cluster radical anions

Autor: Roderick C. S. McQueen, Simon R. Drake, Brian F. G. Johnson, Jack Lewis

Publikováno v: Journal of Organometallic Chemistry. 325:C31-C34

Several radical anions of decaosmium carbonyl clusters have been generated both electrochemically and chemically and their ESR spectra investigated.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1040272654f20dba357591eac287c823
https://doi.org/10.1016/0022-328x(87)80418-7

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METABOLIC CHANGES ASSOCIATED WITH THE ‘DOWNER’ CONDITION IN DAIRY COWS AT ABATTOIRS

Autor: C. G. Halpin, I. W. Caple, C. S. McQueen, J. P. Warnock

Publikováno v: Australian Veterinary Journal. 54:566-569

SUMMARY Culled dairy cows were studied during starvation prior to slaughter to determine the metabolic changes related to the development of the ‘downer’ condition. Of 200 apparently normal cows, 23% had hypocalcaemia, 33.5% had hypomagnesemia an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9322052b5a55620cb27dd5bf0e54d29b
https://doi.org/10.1111/j.1751-0813.1978.tb02414.x

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The preparation and co-ordination chemistry of 2,2′ : 6′,2″-terpyridine macrocycles. Part 5. Unsubstituted fifteen-membered-ring macrocycles containing 2,2′: 6′,2″-terpyridine

Autor: Roderick C. S. McQueen, Edwin C. Constable, Jeremy M. Holmes

Publikováno v: J. Chem. Soc., Dalton Trans.. :5-8

The preparation of a simple unsubstituted quinquedentate macrocycle incorporating a 2,2′: 6′,2″-terpyridine moiety by a transient template reaction is described. The cobalt(II), nickel(II), copper (II), and zinc(II) complexes of the ligand are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25aa68082755c521e6d3a58aba0cb580
https://doi.org/10.1039/dt9870000005

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Chemical and electrochemical reactivity of some unsaturated hexanuclear osmium-gold clusters

Autor: Caroline M. Hay, Robert M. Sorrell, Michael J. Taylor, Jack Lewis, Brian F. G. Johnson, Paul R. Raithby, Roderick C. S. McQueen

Publikováno v: Organometallics. 4:202-205

Preparation des agregats Os 4 (CO) 12 (AuPR 3 ) 2 qui reagissent rapidement avec les nucleophiles. Ils subissent des reductions electrochimiques en [Os 4 (CO) 12 (AuPR 3 ) 4 ] − et [Os 4 (CO) 12 (AuPR 3 ) 2 ] 2− . Structure moleculaire

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::baf33cc647a6a63c2d54bd3d3e51f331
https://doi.org/10.1021/om00120a037

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Molecular helicity in inorganic complexes: double helical binuclear complexes of 2,2′ : 6′,2″ : 6″,2‴ : 6‴,2â�—-quinquepyridine (L): crystal structures of [Cu2L2(O2CMe)][PF6]3·H2O and [Cu2L2][PF6]3·2MeCN

Autor: Stuart Corr, Michael D. Ward, Mark Barley, Michael G. B. Drew, Jennifer C. Nutkins, Edwin C. Constable, Roderick C. S. McQueen

Publikováno v: J. Chem. Soc., Dalton Trans.. :2655-2662

The potentially pentadentate ligand 2,2′ : 6′,2″ : 6″,2‴,2â�—-quinquepyridine (L, quinquepy) forms complexes with first row transition-metal cations of 2 : 2 stoicheiometry. Crystallographic studies of the complexes [Cu2L2(O2CMe)][PF6]

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bde710c408500ef2b31968a5165506f
https://doi.org/10.1039/dt9880002655

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