Topic
Tetrahydrofuran
About: Tetrahydrofuran is a research topic. Over the lifetime, 11778 publications have been published within this topic receiving 158241 citations. The topic is also known as: diethylene oxide & 1,4-epoxybutane.
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TL;DR: In this article, photolysis of the manganese half-sandwich complex (η5-C5Me5)Mn(CO)3 (1) in tetrahydrofuran (THF) yields cleanly the solvent complex (∆-5c5me5)2mn2(μ-CO)2THF (2), which undergoes spontaneous elimination of carbon monoxide to give at ambient temperature in approx. 20 h, or upon removal of solvent in vacuo, the novel dinuclear derivative ( ∆
57 citations
TL;DR: A series of monoalkylchromium complexes, RCrCl 2 (THF) 3 where R = methyl, ethyl, n-propyl and isobutyl and THF = tetrahydrofuran, have been prepared by reactions of chromium trichloride with organoaluminum compounds as mentioned in this paper.
57 citations
TL;DR: In this paper, a feed-forward artificial neural network algorithm was developed for estimating dissociation pressures of the binary clathrate hydrates of tetrahydrofuran+methane, carbon dioxide or nitrogen.
57 citations
TL;DR: In this article, the photoelectron spectra of several Ti(η-C7H7) compounds are discussed in terms of the nature of the Ti(−−−3) bonding and the crystal structure of the latter has been determined.
Abstract: Bis(η-toluene)titanium reacts with cycloheptatriene in the presence of (AlEtCl2)2, at > 60 °C to form [Ti(η-C7H7)(η-C7H9)] and at room temperature [{Ti(η-C7H7)(thf)(µ-Cl)}2](thf = tetrahydrofuran) is also formed. The crystal structure of the latter has been determined. The dimer reacts with the ligands L2= R2PCH2CH2PR2(R = Me or Ph), trans-1,2-bis(dimethylphosphino)cyclopentane, MeOCH2CH2OMe, 2PMe3 or Me2NCH2CH2NMe2, forming the compounds [Ti(η-C7H7)L2Cl]. Reaction of alkyl Grignard reagents with the appropriate chloroderivatives gives the titanium–alkyls [Ti(η-C7H7)L2R][L2= Me2PCH2CH2PMe2, R = Me or Et; L2=trans-1,2-C5H8(PMe2)2, R = Me]. The crystal structure of [Ti(η-C7H7)(Me2PCH2CH2PMe2)Et] has been determined: there is no evidence for Ti–H–C interactions between the Ti and the hydrogens of the ethyl group. The photoelectron spectra of several Ti(η-C7H7) compounds are discussed in terms of the nature of the Ti(η-C7H7) bonding. It is proposed that the chemistry of the Ti(η-C7H7) system corresponds most closely to a formal description of the η-C7H7 group as having a –3 charge rather than the more conventional description as +1. Homogeneous mixtures of [{Ti(η-C7H7)(thf)(µ-Cl)}2] and aluminium alkyls are shown to catalyse ethylene polymerisation.
57 citations
TL;DR: In this paper, a 14-membered ring dienolate was formed for cyclotetradeca-3,5,7-trien-1-one using 1,2-(E,E )-di(1-buta-1,3-dienyl)cyclohexanol with potassium hydride in tetrahydrofuran at room temperature.
57 citations