of OoBurAna l Chemistry Volume 554, Number 2, March (1998) 219—220 Volume Contents Regular Papers Photochemical features of intermolecular C—H bond activation a ie a. i i oe a i ae i on on oe in ee oe oe a ee ee ok ee ie on ee ie i le et i ie ee i oe i re oe ke a a a eh a a a i i ee i, a a Le, a A ee ir a er jl ely Formation of «,w-dienes upon photooxidation of alkenyl carbyne complexes Fe Se ee ee Photochemically reactive polymers; the synthesis and photochemistry of amide polymers and model compounds containing metal—metal bonds and internal radical traps ra ee sh en ey hag ce ee ow ee Ie Ob a Rk oe Ree e-w e ele. eee eae ere oe Using spectroelectrochemistry to probe the light absorbing properties of polymetallic complexes containing the tridentate bridging ligand 2,3,5,6-tetrakis(2-pyridyl)pyrazine ee a, ee i we Se. iw ba 08 ae 8.e: © eee Ee be. Oe ke © We Aes * Oe ey Kinetics of photochemical alkane dehydrogenation catalyzed by Rh(PMe,).(CO)CI: implications concerning the C—H bond activation step G.P. Rosini, S. Soubra, M. Vixamar, S. Wang and A.S. Goldman. .... 0... 2... ee eee eee te te tee ees Time resolved infrared spectroscopy as a technique to study reactive organometallic intermediates i ro. ia, i, Cn I OE ot eee eee bee ee eb eda ee w hee Oe Oe be ale Photochemistry of thin amorphous films of Fe(CO),PPh, on Si(III) surfaces I a, Oe en Re ka le eg yd a cat pe Me Wk ee oe ipO L wi. BLS aces Oe OR ie a ee Photochemistry of bis-{chloro(dicarbonyl)rhodium} in low temperature frozen gas matrices at 12 K and in Nujol mulls at 77 K: infrared and electronic evidence for retention of the bis-{(chloro)rhodium} bridging unit but photoejection of terminal carbonyl ligands J.T. Bays, T.E. Bitterwolf, K.A. Lott, M.A. Ollino, A.J. Rest and L.M. Smith... .. 0... 2... 2.2.2... 2 ee eee eee ee eee 75 Excited states and emission spectroscopy of organometallic compounds interpreted by time-dependent theory op go ES” SS Gone a ar Sree area ee ee ae ee ee ee ee ee ae ee ee ae 87 Regular Papers Synthesis and structure of Pd'' and Pt'' complexes containing chiral diphosphazane ligands rr a rr ee, es 6 6s a wield 6 5 0-08 8 4 bee 06 Sw OTe ewe OR Oe ee ee 105 Two-dimensional silicon-29 inadequate as a structural tool for branched and dendritic polysilanes eS eeee ee 113 Protonation of triruthenium carbonyl cluster complexes containing a bridging 1-azavinylidene ligand. Experimental results and EHMO calculations rh: 2, re a, i Oh Cee oo ke me oe eB eAG e ade een. ® 0.8! 6 eck a Ree Re} ew ee eee ed 117 High temperature microcalorimetric studies of the thermal decomposition and halogenation of nonacarbonylcobaltmanganese, nonacar- bonylcobaltrhenium and decacarbonylmanganeserhenium ne ee od 6 oe 6 8 Oa ee eb eee eR ee Oe eee eee ER 123 Trinuclear carbonyl clusters with capping sulphur ligands. crystal structures of Ru,(CO),(u3-S)('-yL ) and RuCo,(CO).(u3-S)'(-7L ) pe eR Pree eS Se eee eT CEE TE CE SEOULLe e 129 The versatile behavior of the PdCl,/Et,SiH system. Conversion of alcohols to the corresponding halides and alkanes C. Ferreri, C. Costantino, C. Chatgilialoglu, R. Boukherroub and G. Manuel ..... 2... 2.2... 00. eee ee ee ee es 135 1,2-N,N-dimethylaminomethylferrocenyl as a ligand towards silicon W. Palitzsch, C. Pietzsch, K. Jacob, F.T. Edelmann, T. Gelbrich, V. Lorenz, M. Puttnat and G. Roewer............... 220 Volume Contents Elucidating the mechanism of the photochemical Pauson—Khand reaction: matrix photochemistry of phenylacetylenehexacarbonyldicobalt C.M. Gordon, M. Kiszka, I.R. Dunkin, W.J. Kerr, J.S. Scott and J. Gebicki Isolation and characterization of [(RhCp*),{9':74:n?-~-CHC(Ph)CHC(Ph)CHCH,}]* (Cp* = 7°-C;Me.,). Reinvestigation of the car- bon—carbon bond formation between «-CH, group and alkynes in [((RhCp*),(u-CH,),.(CH,CN),} * Y. Kaneko, T. Suzuki, K. Isobe and P.M. Maitlis Novel decomplexation method for alkyne-Co,(CO), complexes T. Sugihara, H. Ban and M. Yamaguchi Synthesis of planar chiral 7 *-allyldicarbonylnitrosyliron complexes and stereochemistry of the complex forming reaction H. Yamaguchi, S. Nakanishi and T. Takata Highly soluble complexes of [FeH,]* and ion pairing interactions D.E. Linn Jr and S.G. Gibbins A route to new methylpalladium(II]) carbene complexes M.J. Green, K.J. Cavell, B.W. Skelton and A.H. White Convenient synthetic routes to bidentate and monodentate 2-, 3- and 4-pyridyl phosphines: potentially useful ligands for water-soluble complex catalysts R.J. Bowen, A.C. Garner, S.J. Berners-Price, I.D. Jenkins and R.E. Sue Alkyl chloro, dialkyl and mixed alkyl derivatives of imido(pentamethylcyclopentadienyl) tantalum(V). X-ray crystal structure of [TaCp*Cp’Cl{ N(2,6-Me,C,H,)}], (Cp’ = 7°-C;H,SiMe,] A. Castro, M.V. Galakhov, M. Gomez, P. Gomez-Sal, A. Martin and P. Royo Preparation and crystal structures of the mononuclear vanadium phenoxide complexes [VCl(OC,H,Pr}-2,6)(C,H,O),] and [VO(OC,H,Pr}-2,6),]: procatalysts for ethylene polymerisation R.A. Henderson, D.L. Hughes, Z. Janas, R.L. Richards, P. Sobota and S. Szafert Synthesis of 7'-butadienyl iron complex upon coupling of two organometallic 4'-vinyl units and selective decomplexation at one end V. Guillaume, V. Mahias and C. Lapinte Selective C—Cl versus P—Cl—activation syntheses of complexes with P—Cl functional phosphinomethyl bridges 7?,u,-{P(R)CI—CH,} P. Machnitzki, O. Stelzer, W.S. Sheldrick and C. Landgrafe Book Review EG FR Peerage: Py!G o es RR ta ea me SN, | ee Ne) SE neh ee eS, er Se Ne ae ee eee See ea ered eg, pe alee ae Se is aa oe! als Lora ale, 6 eg Str eo i oe ee Volume contents