12 research outputs found
Alkylidyne-alkylidyne coupling induced by carbon monoxide addition to the bis(alkylidyne) cluster Fe3(CO)9(.mu.3-CCH3)(.mu.3-COC2H5): an unexpected reversible reaction. X-ray structure of Fe3(CO)9[P(C6H5)3](.mu.3-.eta.2-CH3C.tplbond.COC2H5)
No full textInternational audienc
Carbon-carbon and carbon-nitrogen bond formation induced by the reaction of diphenyldiazomethane with Fe3(CO)9(.mu.3-COC2H5)
No full textInternational audienc
Alkyne-induced carbyne-carbyne coupling in the trinuclear bis(carbyne) iron cluster Fe3(CO)9(.mu.3-COC2H5)(.mu.3-CCH3). X-ray structures of Fe3(CO)6(.mu.-CO)2.mu.3-.eta.4[C(OC2H5)C(CH3)C(C6H5)C(C6H5)] and Fe3(CO)6(.mu.-CO)2.mu.3-.eta.4[C(CH3)C(OC2H5)C(Si(CH3)3)C(Si(CH3)3)]
No full textInternational audienc
Two-electron reduction of Fe3(CO)9(.mu.3-CCH2R)(.mu.3-COC2H5) complexes: induction of an alkylidyne-alkylidyne coupling reaction and of a subsequent rearrangement to acetylide or allenyl ligands. X-ray structure of [PPh4][Fe3(CO)9(.mu.3-.eta.3-C(OC2H5):C:CHC(O)CH3)] at 100 K
No full textIntermolecular versus intramolecular exchange interactions. Magnetic properties of (tetraacetylethanato(2-))bis((N,N,N',N'-tetramethylethylenediamine)copper(II)) diperchlorate hydrate (I) and of (tetraacetylethanato(2-))bis((N,N,N',N'-tetramethylethylenediamine)copper(II)) bis(tetraphenylborate) hydrate (II). Crystal and molecular structure of (I)
No full textSynthesis and characterization of new rhodium and iridium complexes containing the heterodifunctional ligand (diphenylphosphino)cyclopentadienyl
No full textAssembling Processes in a System Comprising Four Constituents: Two Metal Ions (Na, Ni) and Two Anionic Ligands (Perchlorate and 3-(2-Methoxyethoxy)salicylaldiminato(1-))
No full textGuanidinium Alkynesulfonates with Single-Layer Stacking Motif: Interlayer Hydrogen Bonding Between Sulfonate Anions Changes the Orientation of the Organosulfonate R Group from “Alternate Side” to “Same Side”
No full textInternational audienceHydrolyses of HCCSO3SiMe3 (1) and CH3CCSO3SiMe3 (2) lead to the formation of acetylenic sulfonic acids HCCSO3H·2.33H2O (3) and CH3CCSO3H·1.88H2O (4). These acids were reacted with guanidinium carbonate to yield [+C(NH2)3][HCCSO3] (5) and [+C(NH2)3][CH3CCSO3] (6). Compounds 1–6 were characterized by spectroscopic methods, and the X-ray crystal structures of the guanidinium salts were determined. The X-ray results of 5 show that the guanidinium cations and organosulfonate anions associate into 1D ribbons through R22(8) dimer interactions, whereas association of these ions in 6 is achieved through R22(8) and R12(6) interactions. The ribbons in 5 associate into 2D sheets through R22(8) dimer interactions and R36(12) rings, whereas those in 6 are connected through R12(6) and R22(8) dimer interactions and R46(14) rings. Compound 6 exhibits a single-layer stacking motif similar to that found in guanidinium alkane- and arenesulfonates, that is, the alkynyl groups alternate orientation from one ribbon to the next. The stacking motif in 5 is also single-layer, but due to interlayer hydrogen bonding between sulfonate anions, the alkynyl groups of each sheet all point to the same side of the sheet
Unprecedented rearrangement of a diphosphene .eta.1.eta.2-bonded to iron. Synthesis and x-ray structure of Fe4 complexes containing either a .mu.4 spiro phosphorus atom or a 1, 1, 2 trimetalla diphosphorus ligand .scharw.P:P-
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