Reaction of electron-deficient 6-methoxyquinolinate-substituted cluster [Os3(CO)9{μ3-η1,κ1-C9H5N(6-OMe)}(μ-H)] with PPh3: Thermally induced ligand isomerization, decarbonylation and orthometallation

Autor: Shariff E. Kabir, Edward Rosenberg, Shishir Ghosh, Shahin A. Begum, Kenneth I. Hardcastle, Arshad H. Chowdhury, Derek A. Tocher

Publikováno v: Inorganica Chimica Acta. 478:25-31

The reaction of the electron-deficient 6-methoxyquinolinate-substituted triosmium cluster [Os3(CO)9{μ3-η1,κ1-C9H5N(6-OMe)}(μ-H)] (1) with PPh3 proceeds readily at room temperature to afford the electron-precise adduct [Os3(CO)9(PPh3){μ-η1,κ1-C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51452b807a6505874c1ed37c602c68a6
https://doi.org/10.1016/j.ica.2018.03.045

Reversible C-H bond activation at a triosmium centre: A comparative study of the reactivity of unsaturated triosmium clusters Os 3 (CO) 8 (μ-dppm)(μ-H) 2 and Os 3 (CO) 8 (μ-dppf)(μ-H) 2 with activated alkynes

Autor: Shaikh M. Mobin, Graeme Hogarth, Md. Arshad H. Chowdhury, Herbert W. Roesky, Michael G. Richmond, Shishir Ghosh, Shariff E. Kabir, Mohd. Rezaul Haque, Derek A. Tocher

Publikováno v: Chowdhury, M A H, Haque, M R, Ghosh, S, Mobin, S M, Tocher, D A, Hogarth, G, Richmond, M G, Kabir, S E & Roesky, H W 2017, ' Reversible C-H bond activation at a triosmium centre: A comparative study of the reactivity of unsaturated triosmium clusters Os3(CO)8(μ-dppm)(μ-H)2 and Os3(CO)8(μ-dppf)(μ-H)2 with activated alkynes ', JOURNAL OF ORGANOMETALLIC CHEMISTRY . https://doi.org/10.1016/j.jorganchem.2017.02.041

Heating a benzene solution of the unsaturated cluster Os3(CO)8(μ-dppm)(μ-H)2 (1) [dppm = bis(diphenylphosphino)methane] with MeO2CC CCO2Me (DMAD) or EtO2CC CCO2Et (DEAD) at 80 °C furnished the dinuclear compounds Os2(CO)4(μ-dppm)(μ-η2;η1;к1-R

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6802d7f2b005ca0784affae3c11a32ef
https://doi.org/10.1016/j.jorganchem.2017.02.041

Reactivity of [CpMo(CO)2]2 towards heterocyclic thiols: Synthesis, structure, and bonding in the sulfido-ligated cluster Cp3Mo3(μ-CO)2(μ-κ2-C7H4NS)(μ-S)(μ3-S)

Autor: Tasneem A. Siddiquee, Manzurul Karim, Michael G. Richmond, Vladimir N. Nesterov, Shishir Ghosh, Shariff E. Kabir, Subas Rajbangshi, Md. Arshad H. Chowdhury

Publikováno v: Inorganica Chimica Acta. 434:97-103

The electronically unsaturated dimolybdenum complex [CpMo(CO)2]2 (1) reacts with the π-excessive heterocycle 2-mercapto-1-methylimidazole at 110 °C to afford the mononuclear molybdenum complex CpMo(CO)2(κ2-C4H5N2S) (2) and the trimolybdenum cluste

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cfcc21ef277c1648b34c103b8720576f
https://doi.org/10.1016/j.ica.2015.05.001

Alkyne activation and polyhedral reorganization in benzothiazolate-capped osmium clusters on reaction with diethyl acetylenedicarboxylate (DEAD) and ethyl propiolate

Autor: Derek A. Tocher, Michael G. Richmond, Kh. Mahid Uddin, Md. Arshad H. Chowdhury, Shishir Ghosh, Shariff E. Kabir, Md. Kamal Hossain

Publikováno v: Dalton transactions (Cambridge, England : 2003). 46(39)

The reactivity of the face-capped benzothiazolate clusters HOs3(CO)9[μ3-C7H3(R)NS] (1a, R = H; 1b, R = 2-CH3) with alkynes has been investigated. 1a reacts with DEAD at 67 °C to furnish the isomeric alkenyl clusters Os3(CO)9(μ-C7H4NS)(μ3-EtO2CCCH

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd5786846a74f9146bdcedc9110955ad
https://pubmed.ncbi.nlm.nih.gov/28952645