Substitution, nukleophile und oxidative Addition an Arsinidenkomplexe. Zur Reaktion von [Cp′(CO)2 Mn]2AsCl mit PhSeH und verwandten Chalkogenverbindungen
作者:Ch. Emmerich、G. Huttner
DOI:10.1016/0022-328x(93)80276-h
日期:1993.3
species [Cp′(CO)2MnSePh]2 (5b). The arsinidene complex [Cp′(CO)2Mn]2AsSePh (2b), which is an intermediate in this reaction, can be isolated. The reaction of 1 with PhSe− leads to the adduct-complex [Cp′(CO)2Mn]2As(SePh)− (3b), which does not undergo an oxidative addition of PhSeH. The sulphur-containing analogues of 2b and 3b are the compounds [Cp′(CO)2Mn]2AsSPh (2a) and [Cp′(CO)2 Mn]2 As(SPh)− (3a); they
Reactivity of the pentelidene complexes [Cp*E{W(CO)<sub>5</sub>}<sub>2</sub>] (E = P, As) towards dichalcogenides and chalcogenols – synthesis of novel chalcogenopentelidene complexes
作者:Lena Rummel、Giuliano Lassandro、Michael Seidl、Alexey Y. Timoshkin、Manfred Scheer
DOI:10.1039/d1dt01866c
日期:——
chalcogenols PhChH (Ch = S, Se). It has been shown that the formation of new E–Ch bonds proceeds under elimination of the Cp* substituent. The resulting chalcogenopentelidene complexes, which have been isolated and fully characterised, represent a novel class of phosphinidene complexes which can be synthesised through this general synthetic route.
Preparation of 2-Picolylarsonic Acid and its Reductive Cleavage by Ascorbic Acid/Iodine and by Thiophenol
作者:Panayiotis V. Ioannou、Pantelis A. Afroudakis、Michael G. Siskos
DOI:10.1080/10426500214875
日期:2002.12.1
nearly quantitative yields 2-picolylarsonic acid. This acid is decomposed by ascorbic acid in the presence of catalytic amounts of iodine to 2-picoline and arsenious acid, most likely by hydride transfer from the ascorbic acid. Thiophenol decomposes this arsonicacid very quickly to 2-picoline, diphenyl disulfide and triphenyl trithioarsenite. In this case a proton from the thiophenol is transferred to the
The Reaction of Bunsen's Cacodyl Disulfide, Me<sub>2</sub>As(S)-S-AsMe<sub>2</sub>, with Iodine: Preparation and Properties of Dimethylarsinosulfenyl Iodide, Me<sub>2</sub>As-S-I
作者:Panayiotis V. Ioannou、Dimitris G. Vachliotis、Athanassios Chrissanthopoulos
DOI:10.1002/zaac.201500096
日期:2015.6
Bunsen's cacodyl disulfide, Me2As(S)-S-AsMe2 (1), reacted with iodine giving the novel dimethylarsinosulfenyl iodide, Me2As-S-I (3) although theoretical calculations indicated that the AsV compound Me2As(S)-I (4) was more stable in the gas phase. The oily product was stable neat and as a solution in CDCl3 at +4 °C and –20 °C for at least 15 d. Light, H2O, H2O2, and Zn dust, but not NaI or Ag, decomposed
本生的二硫化物 Me2As(S)-S-AsMe2 (1) 与碘反应得到新型二甲基胂亚硫基碘化物 Me2As-SI (3) 尽管理论计算表明 AsV 化合物 Me2As(S)-I (4) 更多在气相中稳定。油状产品在 +4 °C 和 –20 °C 下作为 CDCl3 溶液在纯品和溶液中稳定至少 15 天。光、H2O、H2O2 和 Zn 粉尘(但不是 NaI 或 Ag)分解了它。化合物 3 不与 Ph3N 相互作用,它与 Ph2NH 和 PhNH2 相互作用但不反应。3被哌啶分解,与吡啶和4-二甲氨基吡啶相互作用生成Me2As-SS-AsMe2(2)和I2,形成电荷转移络合物Base·I2,而Et3N分解3,分离出3Et3N·2I2。3被Ph3P和(Me2N)3P完全脱硫,部分被(PhO)3P和(PhS)3P脱硫。3与(Me2N)3P的反应,(PhS)3P 和 (EtO)3P 很复杂。从 AsIII
Arsenault, J. J. Ivan; Dean, Philip A. W., Canadian Journal of Chemistry, 1983, vol. 61, p. 1516 - 1523