Table Of Content

JOURNAL OF ORGANOMETALLIC CHEMISTRY, VOL. 402 (1991) AUTHOR INDEX Akkerman, O.S., (402) 289 Ganter, C., (402) C17 Lim, Y.Y., (402) 209 Altink, R.M., (402) 289 Goh, L.Y., (402) 209 Livantsova, L.I., (402) 313 Aupers, J.H., (402) 319 Gomory, A., (402) 161 Lo, P.Y., (402) 27 Gowik, P., (402) 349 Lorberth, J., (402) 313 Banditelli, G., (402) 413 Gryff-Keller, A., (402) 77 Lotz, S., (402) 393 Beddoes, R.L., (402) 85 Giinther, B., (402) 265 Loubser, C., (402) 393 Bellot, O., (402) 1 Lukevics, E., (402) 43 Besenyei, I., (402) 161 Haines, R.J., (402) 113 Betz, P., (402) 97 Hefmanek, S., (402) 139 Mach, K., (402) 201 Bickelhaupt, F., (402) 289 Herberich, G.E., (402) C17 Machaéek, J., (402) 139 Birgele, I., (402) 43 Hill, A.F., (402) C8 Maksimento, A.A., (402) 331 Bitcon, C., (402) 85 Hinchliffe, J.R., (402) C50 Markies, P.R., (402) 289 Bodwell, G.J., (402) C56 Hitchcock, P.B., (402) C23 Martin, A., (402) 421 Boganov, S.E., (402) 161 Hohenadel, R., (402) 171, 179 Matthews, R., (402) 233 Bogoradovsky, E.T., (402) 43 Horio, T., (402) C20 Mazerolles, P., (402) 35 Bohle, D.S., (402) 375 Huttner, G., (402) 221 Meidine, M.F., (402) C23 Bonardi, A., (402) 281 Melling, R.P., (402) C8 Bonnin, K.R., (402) 233 Imhof, W., (402) 221 Mena, M., (402) 67 Brooker, S., (402) C4 Ishikawa, M., (402) C20 Mignon, L., (402) 1 Brune, H.-A., (402) 171, 179, Minghetti, G., (402) 413 435 Jeannin, Y., (402) 1 Minkin, V.I., (402) 331 Buese, M.A., (402) 145 Johnson, B.F.G., (402) C27 Mul, W.P., (402) 125 Mulla, F., (402) 113 Cantoni, A., (402) 281 Kappler, K., (402) 155 Canty, A.J., (402) C33 Khabashesku, V.N., (402) 161 Nasim, M., (402) 313 Carmona, D., (402) 421 Klapotke, T., (402) 349 Nefedov, O.M., (402) 161 Casensky, B., (402) 139 Kfiz, O., (402) 139 Nicholas, K.M., (402) 105 Cassidy, F., (402) C59 Kompan, O.E., (402) 331 Nixon, J.F., (402) C23 Cerny, Z., (402) 139 Krawczyk, H., (402) 77 Noe, R., (402) 67 Clark, G.R., (402) 375 Kriiger, C., (402) 67, 97 Noltemeyer, M., (402) 55 Crane, R.A., (402) 233 Krut’ko, D.P., (402) 313 Kuhn, A., (402) C41 Oro, L.A., (402) 421 Davies, S.G., (402) C56 Kuhn, N., (402) C41 Debaerdemaeker, T., (402) 435 Kunai, A., (402) C20 Park, K.M., (402) 355 Pearsall, M.-A., (402) C27 Eber, B., (402) 221 Labahn, D., (402) 55 Pelizzi, C., (402) 281 Edwards, K.J., (402) 113 Labroue, D., (402) 363 Pelizzi, G., (402) 281 Eigendorf, U., (402) C17 Lahoz, F.J., (402) 421 Pequerul, A., (402) 421 Elsevier, C.J., (402) 125 Lamprecht, G.J., (402) 259 Perera, S.D., (402) 133 Erker, G., (402) 67 Langenbahn, M., (402) C12 Petrosyan, V.S., (402) 313 Ernst, R.D., (402) 17 Laurent, C., (402) 35 Pham, E.K., (402) 215 Esteban, M., (402) 421 Leipoldt, J.G., (402) 259 Pilo, M.I., (402) 413 Lemos, M.A.N.D.A., (402) C23 Pince, R., (402) 363 Field, J.S., (402) 113 Lewis, J., (402) C27 Pombeiro, A.J.L., (402) C23 Freeman, J.W., (402) 17 Li, Z., (402) 105 Porzel, A., (402) 155 Fusek, J., (402) 139 Liepin’, E., (402) 43 Povey, D.C., (402) 319 C66 Powell, D., (402) 233 Semra, A., (402) i Thomas, R.D., (402) C59 Preston, S.C., (402) C56 Shaw, B.L., (402) 133 Thompsett, A.R., (402) C8 Sheldrick, G.M., (402) 55, C4 Traill, P.R., (402) C33 Quéau, R., (402) 363 Sheldrick, W.S., (402) 265 Treichel, P.M., (402) 233 Shepard, W.B., (402) 375 Troyanov, S.I., (402) 201 Rickard, C.E.F., (402) 375 Sitzmann, H., (402) 249, Cl Uhlig, W., (402) C45 Robert, F., (402) 1 Skelton, B.W., (402) C33 Roesky, H.W., (402) 55, C4 Smeets, W.J.J., (402) 289 Varga, V., (402) 201 Roos, H.M., (402) 393 Smith, P.J., (402) 319 Villena, A., (402) 289 Roper, W.R., (402) 375 Spaans, J., (402) 125 Rose-Munch, F., (402) 1 Spek, A.L., (402) 289 West, R., (402) 215 Roth, H., (402) 435 Stein, D., (402) 249, C1 White, A.H., (402) C33 Riihlmann, K., (402) 155 Stephenson, G.R., (402) C59 Whiteley, M.W., (402) 85, C50 Steynberg, E.C., (402) 259 Whitmire, K.H., (402) 55, C4 Sadekov, I.D., (402) 331 Stoeckli-Evans, H., (402) C12 Wilson, D.R., (402) 17 Samuel-Lewis, A., (402) 319 Struchkov, Yu.T., (402) 331 Scheim, U., (402) 155 Siiss-Fink, G., (402) C12 Yuzuriha, Y., (402) C20 Schiebel, H.-M., (402) 435 Suzuki, T., (402) 27 Schmidt, T., (402) 97 Swepston, P.N., (402) 17 Zaitseva, G.S., (402) 313 Schmidtberg, G., (402) 171, 179 Swint, S.A., (402) 145 Zamponi, S., (402) 413 Schulten, M., (402) C41 Szczecinski, P., (402) 77 Zavgorodny, V.S., (402) 43 Schuster, G.B., (402) 355 Ziegler, U., (402) 171, 179 Scott, L.G., (402) C27 Tamas, J., (402) 161 Zsolnai, L., (402) 221 Seeber, R., (402) 413 Tarasconi, P., (402) 281 Zuev, P.S., (402) 161 JOURNAL OF ORGANOMETALLIC CHEMISTRY, VOL. 402 (1991) SUBJECT INDEX Aluminium Ethylaluminium halides, Al NMR spectroscopy of (Z. Cerny, J. Machaéek, J. Fusek, S. Hefmanek, O. Kfiz, B. Casensky), (402) 139 Arsenic Cationic titanocene bishexafluoroarsenate complexes (P. Gowik, T. Klapétke), (402) 349 Bismuth BiCl,, reaction with sodium 2,4,6-tris(trifluoromethyl)phenoxide; C-—F bond activation in (K.H. Whit- mire, H.W. Roesky, S. Brooker, G.M. Sheldrick), (492) C4 Sterically crowded aryl bismuth compounds; synthesis and characterization of bis{2,4,6-tris(trifluoromethyl)phenyl}bismuth chloride and tris{2,4,6-tris(trifluoromethyl)phenyl}bismuth (K.H. Whitmire, D. Labahn, H.W. Roesky, M. Noltemeyer, G.M. Sheldrick), (402) 55 Boron Borylation of dicarbanions; syntheses of new five- and eight-membered boron—carbon rings (G.E. Herberich, U. Eigendorf, C. Ganter), (402) C17 Chromium Aryllithiumtricarbonylchromium, aromatic nucleophilic substitution of methoxy or chloro groups by (F. Rose-Munch, O. Bellot, L. Mignon, A. Semra, F. Robert, Y. Jeannin), (402) 1 [CpCr(CO),L], complexes [L =C O, P(OMe);], NMR determination of metal-metal bond energies in (L.Y. Goh, Y.Y. Lim), (402) 209 2,4-Di(t-butyl)pentadienyl anion and its Ti(II), Cr(II), and Zn(II) complexes; synthesis of (R.D. Ernst, J.W. Freeman, P.N. Swepston, D.R. Wilson), (402) 17 (n*-Norbornadiene)tetracarbonylchromium and metal VIb hexacarbonyls, chemical shift anisotropy of carbon-13 nuclei in carbonyl groups of (A. Gryff-Keller, H. Krawczyk, P. Szczeciiski), (402) 77 Cobalt n'- And 7°-cobalt(I) allyl complexes, reactions with bis(phosphine) ligands; crystal structure of {(7- C,H, )Co(CO), }2(u-dppe-PP) (C. Loubser, H.M. Roos, S. Lotz), (402) 393 Germanium Dimethylgermathione, Me,Ge=S; study by vacuum pyrolysis-MS and low-temperature matrix IR spectroscopy (V.N. Khabashesku, S.E. Boganov, P.S. Zuev, O.M. Nefedov, J. Tamas, A. Gémiry, I. Besenyei), (402) 161 3-Thia-7,7-dimethyl-7-germabicyclo[3.3.0]oct-1(5)-ene and its selenium analogue, synthesis and reactivity of (P. Mazerolles, C. Laurent), (402) 35 Iridium Heteronuclear and heterovalent diphenylphosphido-bridged complexes of rhodium, iridium and ruthenium; crystal structure of [((C,;Me;)CIRh(u-Cl)(u-PPh,)Rh(COD)] - +Et,0 (COD = 1,5- cyclooctadiene) (M. Esteban, A. Pequerul, D. Carmona, F.J. Lahoz, A. Martin, L.A. Oro), (402) 421 C68 Iron (1°-Allyl)Fe(CO),*, reactions with allyl nucleophiles; approaches to selective isoprenologation (Z. Li, K.M. Nicholas), (402) 105 Carbene-substituted sulphur-bridged carbonyl iron clusters, synthesis of (B. Eber, G. Huttner, L. Zsolnai, W. Imhof), (402) 221 (RR,SS )-{(7°-C,H, )Fe(CO)(PPh ,)COCH,],CH,, self-recognition by the iron chiral auxiliary [(n°- C;H,)Fe(CO)(PPh,)] in the formation of (G.J. Bodwell, S.G. Davies, S.C. Preston), (402) C56 (7-C,H,)Fe(CO),Si(Ph)(SiMe;), bulky iron-substituted trisilane, X-ray structural study of (R. West, E.K. Pham), (402) 215 Cyclopentadienyliron(II) arene cations, photochemistry of; analysis of the reaction with epoxides by means of time-resolved laser spectroscopy (K.M. Park, G.B. Schuster), (402) 355 trans-[FeH()P(dp=peC),B |u[B'F, ] 7'-phosphaalkyne complex, synthesis of; its conversion into a 7)-fluo- rophosphaalkene complex; crystal structure of srans-[FeH(PF=CHBu' )(dppe), |[FeCl,F,] (P.B. Hitchcock, M.A.N.D.A. Lemos, M.F. Meidine, J.F. Nixon, A.J.L. Pombeiro), (402) C23 1,2,3,4,5-Pentaethylcyclopentadiene, synthesis of (D. Stein, H. Sitzmann), (402) 249 Thiolato bridged-iron carbonyl complexes, synthesis of (P.M. Treichel, R.A. Crane, R. Matthews, K.R. Bonnin, D. Powell), (402) 233 Tricarbonyliron complexes as intermediates to isoquinuclidines (G.R. Stephenson, R.D. Thomas, F. Cassidy), (402) C59 Lithium Aryllithiumtricarbonylchromium, aromatic nucleophilic substitution of methoxy or chloro groups by (F. Rose-Munch, O. Bellot, L. Mignon, A. Semra, F. Robert, Y. Jeannin), (402) 1 N, N-Dimethyl-3,5-bis(trifluoromethyl)aniline, regioselective metalation of (N. Kuhn, A. Kuhn, M. Schulten), (402) C41 Lithiation of 3-bromo-3-hexene; synthesis of 1,2,3,4,5-pentaethylcyclopentadiene (D. Stein, H. Sitzmann), (402) Cl Magnesium Arylmagnesium compounds, intramolecularly coordinated; effects on the Schlenk equilibrium (P.R. Markies, R.M. Altink, A. Villena, O.S. Akkerman, F. Bickelhaupt, W.J.J. Smeets, A.L. Spek), (402) 289 Metallocenes Cationic titanocene bishexafluoroarsenate complexes (P. Gowik, T. Klapétke), (402) 349 Dinuclear (?-formaldehyde)zirconocene dimer t-butylisothiocyanate complexes, structure of (G. Erker, M. Mena, C. Kriiger, R. Noe), (402) 67 Molybdenum [Mo(C=CPh)(Ph,PCH,CH,PPh,)(n-C,H;)] and [Mo(C=CPh)(Ph,PCH,CH,PPh,)(-C,H,)][BF,] (C,H, =cycloheptatrienyl), X-ray crystal structures of; an investigation of metal—alkynyl bonding in (R.L. Beddoes, C. Bitcon, M.W. Whiteley), (402) 85 Molybdenum and tungsten cycloheptadienyl complexes, interconversion of 7° and 7° hapticities in (J.R. Hinchliffe, M.W. Whiteley), (402) C50 Molybdenum(0) and tungsten(0) (7*-1-oxa-1,3-diene) complexes; compounds with R-(+ )-pulegone ligands (T. Schmidt, C. Kriiger, P. Betz), (402) 97 (n*-Norbornadiene)tetracarbonylchromium and metal VIb hexacarbonyls, chemical shift anisotropy of carbon-13 nuclei in carbonyl groups of (A. Gryff-Keller, H. Krawczyk, P. Szczecifski), (402) 77 1,2,3,4,5-Pentaethylcyclopentadiene, synthesis of (D. Stein, H. Sitzmann), (402) 249 Osmium Os,(CO),,, reaction with Me,NO; isolation and NMR study of the new hexaosmium cluster anion [HOs,(CO),7]~ (B.F.G. Johnson, J. Lewis, M.-A. Pearsall, L.G. Scott), (402) C27 Osmium clusters with 1,2-dipolar ligands; synthesis and crystal structure of HOs,(CO),(1-n7- PhNCHCPPh,) (M. Langenbahn, H. Stoeckli-Evans, G. Siiss-Fink) (402) C12 C69 Osmium(II) complexes; reactions of coordinated phosphorus trichloride, phenylphosphonous dichloride, 1-phenyl-3,4-dimethylphosphole and mesitylphosphine in (D.S. Bohle, G.R. Clark, C.E.F. Rickard, W.R. Roper, W.B. Shepard), (402) 375 Palladium Organopalladium(IV) complexes, synthesis by halogen exchange; structure of the azidopalladium(II) complex formed on reductive elimination of ethane from Pd(N;)Me,(CH,Ph)(bpy) (A.J. Canty, P.R. Traill, B.W. Skelton, A.H. White), (402) C33 Platinum or palladium 3-diphenylphosphinocamphor complexes including acetylides (S.D. Perera, B.L. Shaw), (402) 133 Phosphorus n'- And 7°-cobalt(I) allyl complexes, reactions with bis(phosphine) ligands; crystal structure of {(n°- C,H, )Co(CO), },(u-dppe-PP) (C. Loubser, H.M. Roos, S. Lotz), (402) 393 Carbene-substituted sulphur-bridged carbonyl iron clusters, synthesis of (B. Eber, G. Huttner, L. Zsolnai, W. Imhof), (402) 221 Dibenzoplatinol system, photochemical and UV-spectroscopic studies of (H.-A. Brune, R. Hohenadel, G. Schmidtberg, U. Ziegler), (402) 179 N, N-Dimethyl-3,5-bis(trifluoromethyl)aniline, regioselective metalation of (N. Kuhn, A. Kuhn, M. Schulten), (402) C41 trans-[FeH(P=CBu' )(dppe),][BF,] 7'-phosphaalkyne complex, synthesis of; its conversion into a 7!-fluo- rophosphaalkene complex; crystal structure of trans-[FeH(PF=CHBu')(dppe), |[FeCl,F,] (P.B. Hitchcock, M.A.N.D.A. Lemos, M.F. Meidine, J.F. Nixon, A.J.L. Pombeiro), (402) C23 Osmium clusters with 1,2-dipolar ligands; synthesis and crystal structure of HOs,(CO),(p3-n7- PhNCHCPPh,) (M. Langenbahn, H. Stoeckli-Evans, G. Siiss-Fink) (402) C12 Osmium(II) complexes; reactions of coordinated phosphorus trichloride, phenylphosphonous dichloride, 1-phenyl-3,4-dimethylphosphole and mesitylphosphine in (D.S. Bohle, G.R. Clark, C.E.F. Rickard, W.R. Roper, W.B. Shepard), (402) 375 Pyrazolate-bridged dirhodium(I) complex Rh,(CO),(PPh;)>(u-3,5-Me,pz),, electrochemistry of (R. Seeber, G. Minghetti, M.I. Pilo, G. Banditelli, S. Zamponi), (402) 413 Platinum Bis[tetra(n-butyl)ammonium)bis{[p-bromo]2,2’-n?-[4,4’-bis(trifluoromethyl)biphenyl]platinate(II)}, synthesis and structure of (H.-A. Brune, H. Roth, T. Debaerdemaeker, H.-M. Schiebel), (402) 435 Dibenzoplatinol system, photochemical and UV-spectroscopic studies of (H.-A. Brune, R. Hohenadel, G. Schmidtberg, U. Ziegler), (402) 179 Platinum-catalysed elimination—addition reactions of trisilylethenes (T. Suzuki, P.Y. Lo), (402) 27 Platinum or palladium 3-diphenylphosphinocamphor complexes including acetylides (S.D. Perera, B.L. Shaw), (402) 133 Potassium 2,4-Di(t-butyl)pentadienyl anion and its Ti(II), Cr(II), and Zn(II) complexes; synthesis of (R.D. Ernst, J.W. Freeman, P.N. Swepston, D.R. Wilson), (402) 17 Rhodium Acetylacetonato-1,5-cyclooctadienerhodium(I), kinetics of the substitution of acetylacetone by derivatives of 1,10-phenanthroline and 2,2’-dipyridyl (J.G. Leipoldt, G.J. Lamprecht, E.C. Steynberg), (402) 259 Diene- and carbonyl-rhodium(I) complexes containing bridging adeninate ligands, synthesis and structural characterisation of (W.S. Sheldrick, B. Giinther), (402) 265 Heteronuclear and heterovalent diphenylphosphido-bridged complexes of rhodium, iridium and ruthenium; crystal structure of [(C;Me,;)CIRh(pu-Cl)(u-PPh,)Rh(COD)] - +Et,0 (COD = 1,5- cyclooctadiene) (M. Esteban, A. Pequerul, D. Carmona, F.J. Lahoz, A. Martin, L.A. Oro), (402) 421 Pyrazolate-bridged dirhodium(I) complex Rh,(CO),(PPh3) (-3,5-Me,pz)>, electrochemistry of (R. Seeber, G. Minghetti, M.I. Pilo, G. Banditelli, S. Zamponi), (402) 413 C70 Ruthenium Heteronuclear and heterovalent diphenylphosphido-bridged complexes of rhodium, iridium and ruthenium; crystal structure of [(C;Me,)CIRh(-Cl)(u-PPh,)Rh(COD)] - +Et 20 (COD = 1,5- cyclooctadiene) (M. Esteban, A. Pequerul, D. Carmona, F.J. Lahoz, A. Martin, L.A. Oro), (402) 421 Mononuclear ruthenium(II) complex containing two 3e-donating o-C, o-N coordinated 1-aza-1,3-dien-4-yl ligands, preparation and spectroscopic characterisation of (W.P. Mul, C.J. Elsevier, J. Spaans), (402) 125 Ru( n*-CgH,>2)(0°-CgHio), thermal decomposition of (D. Labroue, R. Pince, R. Quéau), (402) 363 Ruthenium, penta- and heptanuclear z-toluene derivatives of (K.J. Edwards, J.S. Field, R.J. Haines, F. Mulla), (402) 113 Ruthenium a-phenylethynyl-trans-B-styryl complexes, reactions with isonitriles; hemi-labile alkyne coordination (A.F. Hill, R.P. Melling, A.R. Thompsett), (402) C8 Selenium 3-Thia-7,7-dimethyl-7-germabicyclo[3.3.0Joct-1(5)-ene and its selenium analogue, synthesis and reactivity of (P. Mazerolles, C. Laurent), (402) 35 Silicon (7°-Allyl)Fe(CO),*, reactions with allyl nucleophiles; approaches to selective isoprenologation (Z. Li, K.M. Nicholas), (402) 105 (7°-C,H s)Fe(CO),Si(Ph)(SiMe,), bulky iron-substituted trisilane, X-ray structural study of (R. West, E.K. Pham), (402) 215 1-Mesityl-3-phenyl-1,2-bis(trimethylsilyl)-1-silacyclopropene and 2-mesityl-2-(phenylethynyl)hexamethyl- trisilane, thermal isomerisation of (M. Ishikawa, Y. Yuzuriha, T. Horio, A. Kunai), (402) C20 Organyltrichlorosilanes, acetolysis with acetic anhydride (K. Kappler, A. Porzel, U. Scheim, K. Riihl- mann), (402) 155 Platinum-catalysed elimination—addition reactions of trisilylethenes (T. Suzuki, P.Y. Lo), (402) 27 2-Silatranyl- and 2-(3,7,10-trimethyl)silatranylacetaldehydes, synthesis of (M. Nasim, L.I. Livantsova, D.P. Krut’ko, G.S. Zaitseva, V.S. Petrosyan, J. Lorberth), (402) 313 Substituted polysilanes, synthesis via trifluoromethanesulphonic acid (W. Uhlig), (402) C45 5,5’-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bisbicyclo[2.2.1]heptane-2,3-dicarboxylic anhydride, a disil- oxane equilibration approach to the preparation and characterisation of (S.A. Swint, M.A. Buese), (402) 145 Silver Silver—tin complex salts; a dimeric tin-complex anion with a double hydroxyl bridge; crystal structure of [Ag(AsPh,)4][Sn,Ph,(NO,),(OH),]-2CH,CN (A. Bonardi, A. Cantoni, C. Pelizzi, G. Pelizzi, P. Tarasconi), (402) 281 Sulphur Thiolato bridged-iron carbonyl complexes, synthesis of (P.M. Treichel, R.A. Crane, R. Matthews, K.R. Bonnin, D. Powell), (402) 233 Tellurium ortho-Tellurated azomethines with intramolecular N — Te coordination, molecular and crystal structure of (V.I. Minkin, I.D. Sadekov, A.A. Maksimenko, O.E. Kompan, Yu.T. Struchkov), (402) 331 Tin (7?-Allyl)Fe(CO),*, reactions with allyl nucleophiles; approaches to selective isoprenologation (Z. Li, K.M. Nicholas), (402) 105 Dibenzoplatinol system, photochemical and UV-spectroscopic studies of (H.-A. Brune, R. Hohenadel, G. Schmidtberg, U. Ziegler), (402) 179 Polyfunctional stannylallenes, NMR spectroscopic study of (E. Liepin’, I. Birgele, E. Lukevics, E.T. Bogoradovsky, V.S. Zavgorodny), (402) 43 C71 Silver—tin complex salts; a dimeric tin-complex anion with a double hydroxyl bridge; crystal structure of [Ag(AsPh,),4]>[Sn,Ph,(NO,),(OH).]-2CH,CN (A. Bonardi, A. Cantoni, C. Pelizzi, G. Pelizzi, P. Tarasconi), (402) 281 Substituted 9,9-bis(n-butyl)dibenzostannoles, syntheses of (H.-A. Brune, R. Hohenadel, G. Schmidtberg, U. Ziegler), (402) 171 Triorganostannyl esters of amic acids, synthesis and spectroscopic studies of; crystal structure of the triphenylstannyl ester of citraconic acid monopyrrolidide (A. Samuel-Lewis, P.J. Smith, J.H. Aupers, D.C. Povey), (402) 319 Titanium Cationic titanocene bishexafluoroarsenate complexes (P. Gowik, T. Klapétke), (402) 349 [((C;HMe, )TiBr(-O)}, and [((C;Me,)TiBr(p-O)];, crystal and molecular structure of (S.I. Troyanov, V. Varga, K. Mach), (402) 201 2,4-Di(t-butyl)pentadienyl anion and its Ti(II), Cr(II), and Zn(II) complexes; synthesis of (R.D. Ernst, J.W. Freeman, P.N. Swepston, D.R. Wilson), (402) 17 Tungsten Molybdenum and tungsten cycloheptadienyl complexes, interconversion of 7° and 7° hapticities in (J.R. Hinchliffe, M.W. Whiteley), (402) C50 Molybdenum(0) and tungsten(0) (n*-1-oxa-1,3-diene) complexes; compounds with R-(+)-pulegone ligands (T. Schmidt, C. Kriiger, P. Betz), (402) 97 (n*-Norbornadiene)tetracarbonylchromium and metal VIb hexacarbonyls, chemical shift anisotropy of carbon-13 nuclei in carbonyl groups of (A. Gryff-Keller, H. Krawczyk, P. Szczeciiski), (402) 77 Zinc 2,4-Di(t-butyl)pentadienyl anion and its Ti(II), Cr(If), and Zn(II) complexes; synthesis of (R.D. Ernst, J.W. Freeman, P.N. Swepston, D.R. Wilson), (402) 17 Zirconium Dinuclear (7?-formaldehyde)zirconocene dimer t-butylisothiocyanate complexes, structure of (G. Erker, M. Mena, C. Kriiger, R. Noe), (402) 67 Book reviews A guide for the perplexed organic experimentalist, 2nd edition, by H.J. Loewenthal (C. Eaborn), (402) C63 Dictionary of organometallic compounds. Cumulative structure index to volumes 1-5; edited by J.E Macintyre (C. Eaborn), (402) C38 Gmelin handbook of inorganic chemistry, 8th edition, index. Formula index, 2nd supplement (K.R. Seddon), (402) C37 Tin-based antitumour drugs; edited by M. Gielen (C. Eaborn), (402) C38