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Showing papers in "Journal of Organometallic Chemistry in 1973"


Journal ArticleDOI
TL;DR: An improved synthesis for the complexes PtR 2 (COD) is described in this article, where the coupling constant J(Pt-H) to the olefinic carbons varies with the trans influence of the trans-ligand.

489 citations



Journal ArticleDOI
TL;DR: In this article, the carbon-13 NMR spectra of 49 organotin compounds have been recorded and analysed, and large variations are observed for the coupling constant 1 J( 119 Sn-13 C, which, for the compounds investigated, lies between 240 and 1120 Hz.

193 citations


Journal ArticleDOI
TL;DR: In this article, the perturbational molecular orbital treatment of hyperconjugation (σ-π conjugation) is applied to rationalize trends in a number of experimental properties of compounds of C, Si, Ge, and Sn.

183 citations


Journal ArticleDOI
TL;DR: The crystal structure and low temperature PMR spectra of the diironhexacarbonyl adduct of bicyclo[6.2]deca-1,3,5-triene have been determined as mentioned in this paper.

167 citations


Journal ArticleDOI
TL;DR: In this paper, Cupric chloride was found to be an effective coupling agents for lithiopyridine reagents, allowing facile and high yield syntheses of substituted 2,2′-bipyridyls.

161 citations


Journal ArticleDOI
TL;DR: In this article, the steric effects on π-allyl and πindenyl orientation in molybdenum and tungsten complexes have been studied.

152 citations




Journal ArticleDOI
TL;DR: The extent of alkyl group isomerization accompanying the nickel-catalyzed cross-coupling of secondary alkyls Grignard reagents with organic halides depends upon the nature of halides as mentioned in this paper.

133 citations


Journal ArticleDOI
TL;DR: In situ photolysis of tungsten hexacarbonyl and hexaphenyl carbodiphosphorane, however, yields a product (CO)5W−P(C 6 H 5 ) 3 ]P -C6H5)3 as discussed by the authors.

Journal ArticleDOI
TL;DR: Various functionally-substituted methylidynetricobalt nonacarbonyl derivatives, RCCo3(CO)9, have been prepared by reaction of dicobalt octacarbaronyl with the appropriate RCX3 or RCHX2 (XCl or Br) compound as mentioned in this paper.

Journal ArticleDOI
Secondo Martinengo, Paolo Chini, Vincenzo G. Albano, F. Cariati, T. Salvatori1 
TL;DR: The new mixed tetranuclear carbonyls Co 3 Rh(CO) 12, Co 2 Ir 2 (CO) 16, Co 2 Rh 2 CO (CO), Co 2 IR 2 CO 12, Rh 3 Ir(CO), Rh 4 CO, and Co 2 RI 2 CO 16 were synthesized by reacting tetracarbonylmetallate anions with halocarbonyls or with metallic cations in aqueous solution as discussed by the authors.

Journal ArticleDOI
TL;DR: In this paper, Pentachlorophenyllithium and ferrocenylithium have been isolated and characterized as relatively air-stable solids, and several carbene complexes of chromium and tungsten have been prepared.

Journal ArticleDOI
TL;DR: Palladium(O) carbonyl complexes, Pd(CO)(PPh 3 ) 3 Pd 3 (CO) 3 (Pph 3 ) 2 PdCl 2 with carbon monoxide at room temperature in methanol/amine systems involving primary and secondary amines such as diethylamine and cyclohexylamine, are interconvertible under suitable conditions as mentioned in this paper.

Journal ArticleDOI
TL;DR: In this paper, the geometries of binuclear and polynuclear complexes of transition and main group metals having bridging groups X (X = halide), OR, SR, NR2, PR2, H and R (alkyl, aryl) are discussed.



Journal ArticleDOI
TL;DR: In this article, the reduction of RuCl2(PPh3)3 by sodium borohydride produces RuH4(pPh3), which is a dithioformato ligand.

Journal ArticleDOI
TL;DR: In this article, the synthesis and characterization of dicyclopentadienyltitanium(III) fluoride completes the series (Cp 2 Ti III X) 2 [where X = F, Cl, Br or I].



Journal ArticleDOI
TL;DR: A variety of dihalodiphosphinenickel(II) complexes have been found to be effective catalysts for hydrosilylation of olefins and acetylenes.

Journal ArticleDOI
TL;DR: In this paper, the authors made structural proposals for trinuclear compounds based on instrumental analysis and their properties were described and some comments on their reactivity were made, including their properties and properties.

Journal ArticleDOI
TL;DR: In this paper, the 29 Si NMR chemical shifts of some methyl- and methylphenyl-siloxanes were measured and discussed with regard to their structure correlations and the application of these results to the analytical investigations of polysiloxane and several technical products are discussed from a general point of view.

Journal ArticleDOI
TL;DR: An X-ray diffraction study of cyclopentadienylcycloheptatrienyltitanium shows the compound to be a sandwich compound with both rings π-bonded to the metal.

Journal ArticleDOI
TL;DR: In this paper, the preparation and characterisation of the Group IVA neopentyls (Me 3 CCH 2 ) 4 M (M = Ti, Zr, or Hf) is described.

Journal ArticleDOI
TL;DR: In this article, the IR and NMR spectra of the ligand were reported for the formation of Mo(CO) 2 Bq(π-C 5 H 5 ) and Cr(CO)-3 (π-BqH) complexes.

Journal ArticleDOI
TL;DR: In this paper, the action of n-butyllithium in THF at low temperature on diethyl trichloromethylphosphonate and tetraethyl dichloromethemylenediphosphonates gave the reagents LiCCl 2 P (O) (OEt) 2 and [(EtO) 2(O)P] 2 CClLi, respectively.

Journal ArticleDOI
TL;DR: The photoelectron (PE) spectra of the simplest phosphorus ylide (CH 3 ) 3 PCH 2 and several C-silyl-substituted derivatives have been measured, and the influence of this substitution on the frontier orbitals is discussed as mentioned in this paper.