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