- Chiral organotin hydrides containing intramolecular coordinating substituents
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A series of chiral non-racemic triorganotin halides and triorganotin hydrides containing one or two (1R,2S,5R)-menthyl (Men) substituents as well as the 8-dimethylaminonaphthyl (L) or 2-[(1S)-1-dimethylaminoethyl]phenyl (L*) substituents has been synthesised and characterised. Each of the compounds MenPhLSnBr (1) and MenPhLSnH (2) has a stereogenic tin centre and the compounds were isolated in diastereomeric ratios of 60:40 and 66:33, respectively. Compounds MenPhL*SnCl (3) and MenPhL*SnH (4) were synthesised with diastereomeric ratios of 73:27 and 64:36, respectively. Single crystal X-ray analysis of MenPhL*SnCl (3), Men2L*SnCl (8), and MenPh2LSn (10) reveals that each structure has a tendency towards penta-coordination at the tin centre as a result of intramolecular N→Sn interactions. AM1 calculations successfully predict the molecular geometries observed in the solid state as well as the diastereomeric ratios observed in solution.
- Dakternieks, Dainis,Dunn, Kerri,Schiesser, Carl H.,Tiekink, Edward R.T.
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- Organotin compounds X. Organotin hydride addition to methyl cyclohexene-1-carboxylate and methyl indene-3-carboxylate
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Free radical hydrostannation of methyl cyclohexene-1-carboxylate (I) and methyl indene-3-carboxylate (III) with trialkyltin hydrides, R3SnH (R=Me, n-Bu, Ph) gives the energetically unfavourable cis products, 2-trialkylstannyl cyclohexanecarboxylate (II) 2-trialkylstannyl indene-1-carboxylate (IV) in high yields, via a trans addition of the thin hydrides.The hydride abstractions by the intermediate trialkylstannylcyclohexanyl (VIII) and trialkylstannylindanyl (IX) intermediate radicals take place stereospecifically, and exclusively from the less hindered ring side.The structures of the isomers II and IV were established by (a) their transformation into the corresponding chlorodialkylstannylderivatives V and VI, which were shown spectroscopically to have cis stereochemistries by intramolecular complexation of the ester group, and (b) their NMR data.Full 1H, 13C, and 119Sn NMR data are given.
- Ayala, A. D.,Giagante, N.,Podesta, J. C.,Neumann, W. P.
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- Phenylmercury chloride: Its single-crystal X-ray structure and some aspects of its biological chemistry
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A single crystal of phenylmercury chloride (PhHgCl) was obtained by serendipity from a solution of diphenylmercury (HgPh2) and dihydrolipoic acid in tetrahydrofuran / carbon tetrachloride. The crystal structure of PhHgCl is pseudotetragonal. It is best described in the orthorhombic space group Cmma with a = 6.856(1), b = 6.882(1), c = 14.309(2) A (at 193 K), and Z = 4. The Cl-Hg-C moiety of the PhHgCl molecule is exactly linear. The bond lengths at the Hg atom are Hg-Cl 2.345(2) and Hg-C 2.044(9) A. In the crystal, the molecules are arranged in double layers parallel to the a,b plane. In a model medium for the gastric juice (0.1 M DCl in D2O / [D8]dioxan, 37 °C), HgPh2 reacts to form PhHgCl. HgCl2, which would result from complete dearylation, cannot be isolated from the reaction mixture. However, it appears that a small equilibrium concentration of HgCl2 may be present, because on addition of 1,4,7-trithiacyclononane (ttcn) and diethyl ether, the dichloride can be trapped as solid [Hg(ttcn)2][HgCl4]. We estimate that after oral uptake of HgPh2 20 - 90% are transformed into PhHgCl in the stomach after 30 min.
- Wilhelm, Michaela,Saak, Wolfgang,Strasdeit, Henry
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- DIRECT TRANSFER OF ALIPHATIC AND AROMATIC SUBSTITUENTS FROM ORGANOSILATRANES TO MERCURY(II) SPECIES
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The relative reaction rates of several silatranes (derivatives of 2,8,9-trioxa-5-aza-1-silatricyclo1,5>undecane) and HgCl2 in acetone-d6 to yield the corresponding organomercury compound are of the order of e.g., 5 * 10-1 1 mol-1 sec-1 or slightly less, a rate that is unexpectedly high compared to the essentially inert parent organotrialkoxysilanes.Thus, the apical Si-C bond of the silatrane is extraordinarily susceptible to direct electrophilic attack by mercury(II).The rates decrease in the order CH2=CH, C6H5, p-ClC6H4 > CH3 > CH3CH2, CH3CH2CH2 > C6H11, ClCH2, Cl2CH, CH3CH2O.The effects of varying the solvent and the counterions are noted, and the probable mechanism is discussed.
- Nies, J. Dirk,Bellama, Jon M.,Ben-Zvi, Nava
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- Metal Carbonyl Chemistry. Part 27. Formation of by Reaction of the Carbene Precursor Hg(CCl3)Ph with Octacarbonyldicobalt
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Octacarbonyldicobalt reacts with the dichlorocarbene precursor Hg(CCl3)Ph at 60 deg C in hexane to afford in 49percent yield.A similar complex is also obtained at 30 deg C, i.e. under conditions where appreciable thermal decomposition of Hg(CCl3)Ph to HgPhCl and CCl2 does not occur.Trapping expriments using cyclohexane have demonstrated that under both sets of conditions dichlorocarbene is formed.Possible mechanisms to explain the formation of the carbene and are discussed.
- Booth, Brian L.,Casey, Geoffrey C.,Haszeldine, Robert N.
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- Synthesis of [2-[(dimethylamino)methyl] phenyl-C1N]-(phenyl) gold(III) complexes. Crystal structure of two modifications of chloro[2-[(dimethylamino)methyl]-phenyl-C1N](phenyl)gold(III)
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The reaction ( 1 1) between [Au(2-C6H4CH2NMe2)Cl2] and [HgPh2] gives [Au(2-C6H4CH2NMe2)(Ph)Cl]. From this complex, the neutral [Au(2-C6H4CH2NMe2)(Ph)X] (X : Br, I, CN, MeCO2) complexes are obtained by reaction with X- salts. Cationic complexes [Au(2-C6H4CH2NMe2)(Ph)L]ClO4 (L : pyridine, tetrahydrothiophene) are obtained by treatment of [Au(2-C6H4CH2-NMe2)(Ph)Cl] with ClO4- and the relevant ligand L. The complex [Au(2-C6H4-CH2NMe2)(Ph)Cl] crystallizes in two modifications, both with three independent molecules in the asymmetric unit. The AuN and AuCl bonds are long, consistent with the appreciable trans influence of the C-donor ligands. The molecules differ somewhat in the orientation of the rings.
- Vicente, Jose,Chicote, M.Teresa,Bermudez, M.Dolores,Sanchez-Santano, Maria J.,Jones, Peter G.
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- THE REACTIONS OF PHENYL(B-CARBORANYL)IODONIUM SALTS WITH NUCLEOPHILES
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The reactions of phenyl(9-o-carboranyl)-, phenyl(9-m-carboranyl)- and phenyl(2-p-carboranyl)-iodonium salts with the nucleophiles F-, Cl-, Br-, OH-, C5H5N, Hg and CN- were studied.Depending on the nature of the nucleophile and the carborane ligand in each iodonium compound, these reactions either proceed as nucleophilic substitution or via a radical mechanism.Nucleophilic substitution, which takes place at the boron atom, of the carborane nucleus only, gives carboranylation products of nucleophiles.Free-radical processes are characterized by braking of the C-I+ bonds with the formation of phenyl radicals and their transformation products.The reasons for such an unusual behaviour of phenyl(B-carboranyl)iodonium salts in reactions with nucleophilic agents are discussed in the light of the results obtained and previous results.
- Grushin, V. V.,Shcherbina, T. M.,Tolstaya, T. P.
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- Organostannanes Derived from (-)-Menthol: Controlling Stereochemistry during the Preparation of (1R,2S,5R)-Menthyldiphenyltin Hydride and Bis((1R,2S,5R)-menthyl)phenyltin Hydride
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Reaction of (1R,2S,5R)-menthylmagnesium chloride (MenMgCl) with triphenyltin chloride in THF proceeds with epimerization of the C-1 carbon of the menthyl group and results in a mixture of (1R,2S,5R)-menthyltriphenyltin (1) and (1S,2S,5R)-menthyltriphenyltin (2). Addition of Lewis bases such as triphenylphosphine to the THF solution of triphenyltin chloride prior to addition of the Grignard reagent suppresses epimerization and enables isolation of pure 1. An epimerization mechanism involving one-electron-transfer reactions is postulated. Compound 1 is the precursor for reactions that lead to the formation of a series of compounds, namely, (1S,2S,5R)-menthyldiphenyltin iodide (4), (1S,2S,5R)-menthyldiphenyltin fluoride (5), (1S,2S,5R)-menthyldiphenyltin hydride (6), (1S,2S,5R)-menthylphenyltin dibromide (7), and (1S,2S,5R)-menthylphenyltin dichloride (8). The synthesis of the dimenthyl derivatives bis((1S,2S,5R)-menthyl)diphenyltin (9), bis((1S,2S,5R)-menthyl)-phenyltin iodide (10), bis((1S,2S,5R)-menthyl)phenyltin hydride (11), and bis((1S,2S,5R)-menthyl)tin di(chloroacetate) (12) is described. Crystal structure determinations of 7,8, and 12 confirm the absolute configuration of the menthyl groups.
- Dakternieks, Dainis,Dunn, Kerri,Henry, David J.,Schiesser, Carl H.,Tiekink, Edward R. T.
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- Organotin compounds. XI. Organotin hydride additions to various methyl dihydronaphthalenecarboxylates
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Free rdical hydrostannation of methyl 3,4-dihydronaphthalene-1-carboxylate (I), methyl 3,4-dihydronaphthalene-2-carboxylate (III), and methyl 1,4-dihydronaphthalene-2-carboxylate (V) with triorganotin hydrides, R3SnH (R = Me, n-Bu, Ph) gives the energetically unfavourable cis products, 2-triorganostannyl-1,2,3,4-tetrahydronaphthalene-1-carboxylate (II), 1-triorganostannyl-1,2,3,4-tetrahydronaphthalene-2-carboxylate (IV), and 3-triorganostannyl-1,2,3,4-tetrahydronaphthalene-2-carboxylate (VI) in high yields, via a trans addition of the tin hydrides.The hydride abstractions by the intermediate 2-, 1- and 3-triorganostannyl-1,2,3,4-tetrahydronaphthyl radicals (XI, XII and XIII respectively) take place stereospecifically and exclusively from the less-hindered ring side.The structures of the isomers II, IV, and VI, were established by (a) their transformation into the corresponding chlorodiorganostannyl derivatives VIII, IX, and X, which were shown spectroscopically to have cis stereochemistries by intramolecular complexation of the ester group, and (b) their NMR data.Full 1H, 13C, and 119Sn NMR data are given.
- Podesta, Julio C.,Ayala, Alicia D.,Chopa, Alicia B.,Giagante, Nelda N.
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- AROMATIC SUBSTITUTION. THE EFFECT OF ALCOHOLIC SOLVENTS ON THE REACTION OF PHENYLTRIETHYLTIN WITH MERCURY(II) SALTS
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Second-order rate constants are reported for the cleavage of the phenyl-tin bond of phenyltriethyltin by mercury(II) salts in ethanol, propan-1-ol, propan-2-ol and butan-1-ol.It is shown that the reactivity order for the mercury(II) salts is HgI3-/s
- Sedaghat-Herati, Mohammad Reza,Nahid, Parvin
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- Synthesis, characterization and applications of organomecury(II) pyrrolidine-N-thiohydrazide complexes
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The complexes of organomercury(II) with pyrrolidine-N-thiohydrazide of the type RHg(L)Cl where[R=C6H5(phenyl), p-ClC6H4(p-chlorophenyl), p-BrC6H4(p-bromophenyl), o-, p-HOC6H4, (o-,p-hydroxyphenyl), L = pyrrolidine-N-thiohydrazide, have been synthesized and characterized by elemental analysis, IR,1H-NMR and electronic spectral analysis. Thermogravimetric and differential thermal analytical curves are used to calculate thermodynamic parameters and variations in these parameters have been correlated with complex structural parameters. All complexes were tested in vitro for their antibacterial activity against Gram-negative bacteria, namely, Escherichia coli, Zymomonas mobilis and against two pathogenic fungal strains, namely, Aspergillus niger and Cerveleria.
- Kaushik, N. K.,Sharma, Rama
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p. 1778 - 1784
(2021/06/06)
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- Transmetalation of Pentafluorophenylmercury Derivatives with Organylmagnesium Bromides
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The reactions of pentafluorophenylmercury derivatives with organomagnesium compounds have been studied. The interaction of pentafluorophenylmercury chloride with RMgBr (R = Et, Ph) has afforded diphenyl- and diethylmercury or phenylmercury chloride, besides the expected product (C6F5HgR). The results have been explained by the transmetalation of C6F5HgR with the Grignard reagent, followed by the reaction of the resulting C6F5MgX (X = Br, C6F5) with pentafluorophenylmercury chloride. Transmetalation of (C6F5)2Hg with organylmagnesium bromides has led to the formation of C6F5MgX and R2Hg.
- Bardin
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p. 1406 - 1408
(2019/08/21)
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- Novel 10- and 20-membered tin- and silicon-containing rings: Synthesis, complexation behavior, and conversion into a lewis acidic polymer
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Reaction of the dimethylsilylmethyl-substituted tetraorganotin derivative CH2[CH2Sn(Ph2)CH2Si(H)Me2 ]2 (1) and CH2[CH2Sn(Ph2)CH2Si(i-PrO)Me2 ]2 (3), respectively, with mercuric chloride afforded the novel silicon- and tin-containing 10- and 20-membered rings cyclo-CH2[CH2Sn(Cl2)CH2Si(Me2 )]2O (4) and cyclo-CH2[CH2Sn(Cl2)CH2Si(Me2 )OSi(Me2)CH2Sn(Cl2)CH2]2 CH2 (5). Both compounds 4 and 5 can be converted into the soluble Lewis acidic polymer poly-[Si(Me2)CH2Sn(Cl2)(CH2)3 Sn(Cl2)CH2Si(Me2)O] (8). 119Sn NMR studies indicate that 4 acts as a bidentate Lewis acid toward chloride ions, exclusively forming the 1:1 complex [cyclo-CH2[CH2Sn(Cl2)CH2Si(Me2 )]2O·Cl]-[(Ph3P)2N]+ (7). The molecular structures as determined by single-crystal X-ray diffraction analysis of 4 and 7 are reported.
- Schulte, Marcus,Gabriele, Giuseppina,Schuermann, Markus,Jurkschat, Klaus,Duthie, Andrew,Dakternieks, Dainis
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p. 328 - 336
(2008/10/08)
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- Microwave induced novel synthetic route to organomercurials
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Organomercurials of 2-mercapto-5-methyl-1,3,4-thiadiazole and 2-mercapto-5-[4′-methyl quinolinyl-2-oxy methyl]-1,3,4-oxadiazole with aryl mercuric chloride have been synthesized under microwave irradiation in open vessels in a domestic microwave oven within a few minutes. This reaction rate was ca 100 times faster than the reaction rate in the conventional way. These Organomercurials have a 1:1 stoichiometric ratio of aryl mercury and thiadiazole or oxadiazole moiety. Copyright
- Kidwai, Mazaahir,Goel, Yogesh
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p. 2819 - 2824
(2008/10/09)
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- Addition of mercury(II) electrophiles to [Ru2(C10H8N2)(CO)4(P iPr3)2] and selective insertion versus addition in the reactions of mercury (II) electrophiles with trinuclear Ru2Hg clusters. X-ray structures of [Ru2Hg(O2CCF3)2(C10H ...
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Full title: Addition of mercury(II) electrophiles to [Ru2(C10H8N2)(CO)4(P iPr3)2] and selective insertion versus addition in the reactions of mercury (II) electrophiles with trinuclear Ru2Hg clusters. X-ray structures of [Ru2Hg(O2CCF3)2(C10H 8N2)(CO)4(PiPr3) 2] and [Ru2Hg2Cl4(C10H8N 2)(CO)4(PiPr3) 2]·CH2Cl2 (C10H10N2 = 1,8-diaminonaphthalene). The ruthenium(I) complex [Ru2(C10H8N2)(CO)4(P iPr3)2] (1) (C10H10N2 = 1,8-diaminonaphthalene) reacts with 1 equiv of HgX2 (X = Cl, Br, I, O2CCH3, O2CPh, O2CCH2Cl, O2CCF3, SCN, ONC) to give the adducts [(1)HgX2], in which the Hg atoms are bonded to both Ru atoms of complex 1. Correlations between the 2J(31P-199Hg) coupling constants of their 31P NMR spectra and the corresponding halogen electronegativities or acid pKas have been observed. With the exception of [(1)Hg(O2CCF3)2], which does not react with any other mercury(II) salt, the compounds [(1)HgX2] react with HgX′2 (X′ = Cl, Br, I, O2CCH3, O2CPh, O2CCH2Cl) to give the insertion products [(1)Hg(μ-X′)2HgX2] only when X′ is more electron-withdrawing than X; otherwise, the addition products [(1)Hg(μ-X)2HgX′2] are formed. All reactions of [(1)HgX2] with Hg(O2CCF3)2 give the same substitution product [(1)Hg(O2CCF3)2]. The molecular structures of [(1)Hg(O2CCF3)2] and [(1)Hg(μ-Cl)2HgCl2] have been confirmed by X-ray crystallography. [(1)Hg(O2CCF3)2]: monoclinic, space group C2/c, a = 23.730 (9) A?, b = 12.578 (4) A?, c = 14.511 (7) A?, β = 94.76 (5)°, Z = 4. [(1)Hg(μ-Cl)2HgCl2]·CH2Cl 2: monoclinic, space group P21/n, a = 15.840 (7) A?, b = 12.694 (4) A?, c = 23.366 (2) A?, β = 105.74 (2)°, Z = 4.
- Cabeza, Javier A.,Fernández-Colinas, José M.,García-Granda, Santiago,Riera, Víctor,Van Der Maelen, Juan F.
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p. 1233 - 1238
(2008/10/08)
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- New Metal-Sulphur-Nitrogen Compounds from Reactions in Liquid Ammonia. The X-Ray Structures of trans-Bis(acetophenone dimethylhydrazone-Nα)-dichloropalladium(II) and 1N4>palladium(II)
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Reaction of Cl or Cl in liquid ammonia with or (L-L' = C-N ligand) gives and respectively; in some cases complexes containing S3N(1-) ligands were also obtained.An alternative route to complexes using is also reported.Reaction of S8-NH3(I) solutions with gives .The new complexes were characterised by microanalyses, i.r., n.m.r., and mass spectroscopy, and X-ray crystallography.
- O'Mahoney, Caroline A.,Parkin, Ivan P.,Williams, David J.,Woollins, J. Derek
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p. 1179 - 1186
(2007/10/02)
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- Substituent effects in aromatic substitution of aryltriethyltin compounds by mercuric halides
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Second-order rate constants are reported for the reaction of some YC6H4SnEt3 compounds with mercuric halides in tetrahydrofuran, and show that the reaction is one of low selectivity.The substituent effects can be correlated only in terms of Hammett ?-constants, and the data for the meta-methoxy group are anomalous.The results indicate that the rate determining step involves reaction of a ?-complex.Activation parameters are reported, and are in accordance with the suggested mechanism.
- Sedaghat-Herati, M. Reza,Sharifi, Taghi
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- Nucleophilic cleavage of the Si-C bond in organotrifluorosilanes and diorganodifluorosilanes
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The Si-C bond in aryltrifluorosilanes, 4-XC6H4SiF3 (X = H, CH3, Cl, Br or NO2), is readily cleaved by mercury(II) salts HgY2 (Y = Cl, Br, I, CN or OCOCH3) or HgO to form organomercurials of the type 4-XC6H4HgY or (4-XC6H4)2Hg, respectively.Electron-donating substituent X facilitate the reaction, whereas electron-withdrawing substituents make it more difficult.Mercury(II) salts and mercury(II) oxide also cleave the Si-C bond in chloromethyltrifluorosilanes, F3Si(CH3-nCln) (n = 1-3) to produce the corresponding organic mercurials containing an Hg(CH3-nCln) group.The substitution of the fluorine atom in organotrifluorosilanes by an alkyl group hinders the bond cleavage between the silicon atom and the electronegative organic substituent.The reactions studied are believed to follow a nucleophilic mechanism involving asynchronous formation of a four-centered transition state with a pentacoordinate silicon atom.
- Voronkov, M. G.,Chermov, N. F.,Perlova, E. M.
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p. 225 - 230
(2007/10/02)
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- PREPARATION, STRUCTURE AND REACTIVITY OF (η6-1-TRIPHENYLATANNYLBENZENE)(η5-CYCLOPENTADIENYL)IRON(II) HEXAFLUOROPHOSPHATE
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A novel organotin compound containing a C5H5Fe+C6H5 ligand has been synthesised. (η6-Triphenylstannylbenzene)(η5-cyclopentadienyl)iron(II) hexafluorophosphate was prepared by treating Ph3SnLi with (η6-chlorobenz
- Frampton, C. S.,Ofori-Okai, K. G.,Roberts, R. M. G.,Silver, J.
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p. 231 - 236
(2007/10/02)
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- Bimetallic Complexes involving Schiff Base
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Phenylmercury derivative (phHgSA) of Schiff base SAH derived from salicylaldehyde and aniline have been prepared.Reaction of this derivative with M(NCS)2, where M=CoII, NiII, CuII and ZnII, gave complexes of general formula (phHgSA)2M(NCS)2.These complexes on further reaction pyridine or bipyridine (L) furnished adducts of general formula (phHgSA)2M(NCS)2Lx, where x=1 or 2.All the complexes have been characterised by elemental analysis, molecular weight, molar conductance, infrared and electronic spectral data.On the basis of these studies, probable structure of the complexes and quantitative softness parameters have been evaluated.
- Singh, P. P.,Srivastava, Beena
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p. 797 - 800
(2007/10/02)
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- Preparation of chloride-bridged organopalladium(II) dimers and their role in the carbonylation of trans-[PdClR1(PR3)2]
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Complexes of the type [Pd2(μ-Cl)2R2L2] (R = Ph, C6H4Me-p, or CH2Ph; L = PPh3, PMePh2, or PBu3) are prepared by the reaction of R2Hg with [Pd2(μ-Cl)2Cl2L2] in benzene and have been characterized by elemental analysis and NMR spectroscopy. Reaction with L gives the corresponding bis(phosphine)palladium complex, while treatment with CO yields [Pd2(μ-Cl)2(COR)2L2]. Carbonylation of trans- [PdClRL2] or bridge cleavage of [Pd2(μ-Cl)2(COR)2L2] with L produces trans-[PdCl(COR)L2]. The rates of these processes are considered, and the intermediacy of the dimeric complexes in the carbonylation of trans-[PdClRL2] is discussed.
- Anderson, Gordon K.
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p. 665 - 668
(2008/10/08)
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- Cation Radicals. 48. Evidence for Electron Transfer in the Alkylation of Thianthrene Cation Radical with Diethylmercury
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Evidence is presented that reaction of thianthrene cation radical (Th(1+)) with Et2Hg in acetonitrile occurs by way of initial electron transfer.Products of reaction are thianthrene (Th), 5-ethylthianthrenium perchlorate (ThEt(1+)*ClO4(1-)), and EtHg(1+).When reaction is carried out under 18O2, not only the same products are formed but also thianthrene oxide (ThO), thianthrene dioxide (ThO2), acetaldehyde, and ethanol, all of which are enriched with 18O.Reaction therefore appears to lead initially to Et2Hg(1+) from which ethyl radicals are formed and are trapped with Th(1+) and O2.Reactions of EtO2 are believed to lead to the products containing 18O.Reaction of Ph2Hg with Th(1+) does not appear to follow this pathway.
- Sugiyama, Kazuo,Shine, Henry J.
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p. 143 - 146
(2007/10/02)
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- SULPHUR SUBSTITUTED ORGANOTIN COMPOUNDS. IX. FORMATION OF TRIPHENYLTIN, Ph3SnCH2CH2CHClCH2SC6H4NO2-o, FROM REACTION OF 4-BUTENYLTRIPHENYLTIN AND o-NITROBEZENESULPHENYL CHLORIDE
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Reaction of the sulphenyl chloride, o-NO2C6H4SCl, with Ph3SnCH2CH=CH2 occurs to give the adduct, Ph3SnCH2CH2CHClCH2SC6H4NO2-o.In contrast, no adduct is formed with the more reactive, p-MeC6H4SCl.Instead, and as reported previously with Bu3SnCH2CH2CH=CH2, the cyclopropylmethyl aryl sulphide is obtained.The adduct is thermally stable, and reacts with I2 and HgCl2 to give phenyl-tin cleaved products, Ph2SnXCH2CH2CHClCH2SC6H4NO2-o (X=I or Cl).
- Wigzell, J. McM.,Wardell, J. L.
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- Sulphur-substituted Organotin Compounds. Part 8. Preparation and Reactions of 3-(p-Tolylthio)propyl- and 4-(p-Tolylthio)butyl-triphenyltin. Interactions with Tetracyanoethylene
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The reactions of SnPh3 (n= 3 or 4) with mercury(II) chloride, bromine and iodine lead to phenyl-tin bond cleavage.In contrast, reactions with methyl iodide provide SnPh3 and MeSC6H4Me-p.Charge-transfer adducts are formed between SnPh3 (n= 1-4) and tetracyanoethylene or p-bromoanil.The values of λmax. of the complexes indicate similar donor character for SnPh3 (n= 2,3, or 4); however, the compound SnPh3(CH2SC6H4Me-p) is a stronger donor.
- Wardell, James L.,Wigzell, John McM.
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p. 2321 - 2326
(2007/10/02)
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