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硫醇盐

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硫醇盐硫醇失去巯基的氢后和金属离子、金属簇或非金属离子形成的盐。

合成及反应

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碱金属的硫醇盐通常可由相应的硫醇和更强的碱(如醇盐、有机金属等)反应得到,例如:[1][2]

iPrSH + KOtBu → iPrSK + tBuOH
nBuSH + nBuLi → nBuSLi + C4H10

和硫亲和力较高的金属离子(如Cu+、Ag+等)则可直接由硫醇和相应的金属盐反应得到。[3]

硫醇盐可以和卤代烃反应,得到硫醚

MSR + R'X → RSR' + MX(M为金属,X为卤素)

例如,乙硫醇钠和2-碘萘在钯配合物催化下反应,可以得到2-乙硫基萘。[4]

硫醇盐列表

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已被报道的硫醇盐参见下表:

化合物 化学式 外观 空间群 注释 参考文献
1,3-二甲基咪唑鎓叔丁硫醇盐 [C5H9N2][StC4H9] 浅黄色 P21/n(100 K) m.p. 110.9 °C [5]
甲硫醇锌 Zn(SCH3)2 白色 [6]
乙硫醇锌 Zn(SC2H5)2 白色 [6]
甲硫醇镉 Cd(SCH3)2 [6]
丁硫醇汞 Hg(SC4H9)2 透明四方双锥 I41/a(207 K) [7]
环五(乙二硫醇镍) (NiSC2H4S)5 黑色针状 C2/c [8]
环六(二异戊硫醇镍) Ni6S12C60H130 黑色块状 P1 [8]
环[四(乙二硫基)四(叔丁硫基)六镍] Ni6S12C24H52 黑色棱柱 [8]
环[四(丙二硫基)四(叔丁硫基)六镍] Ni6S12C28H60 黑色针状 C2221 [8]
四[乙氧基(N-甲基亚氨基)甲硫醇铜(I)] [Cu2(C4H8NOS)2]2 黄色片状 C2/c [9]

参考文献

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  1. ^ Chi Zhang; et al. Nickel(II) Thiolate Complexes with a Flexible cyclo-{Ni10S20} Framework. Angew Chem Int Ed, 2006. 45 (23): 3768-3772. doi:10.1002/anie.200600319.
  2. ^ E. C. Ashby; et al. Single electron transfer in reactions of alkyl halides with lithium thiolates. J. Org. Chem. 1985, 50, 25, 5184–5193. doi:10.1021/jo00225a041.
  3. ^ Bowmaker, GA; Tan, L (1979). The Preparation and Low-Frequency Vibrational Spectra of Some Copper(I) and Silver(I) Alkane- and Arene-monothiolate Complexes. Australian Journal of Chemistry, 32(7), 1443–1452. doi:10.1071/CH9791443.
  4. ^ Thomas Scattolin; et al. Site-Selective C−S Bond Formation at C−Br over C−OTf and C−Cl Enabled by an Air-Stable, Easily Recoverable, and Recyclable Palladium(I) Catalyst. Angew Chem Int Ed. 2018. 57 (38). 12425-12429. doi:10.1002/anie.201806036.
  5. ^ Jannick Guschlbauer; et al. Systematic study on anion–cation interactions via doubly ionic H-bonds in 1,3-dimethylimidazolium salts comprising chalcogenolate anions MMIm [ER] (E = S, Se; R = H, tBu, SiMe3). Dalton Trans., 2019,48, 10971-10978. doi:10.1039/C9DT01586H.
  6. ^ 6.0 6.1 6.2 Kohtaro Osakada; Takakazu Yamamoto. Preparation of zinc sulfide and cadmium sulfide by thermal degradation of (methanethiolato)zinc and cadmium complexes, [M(SMe)2]n (M = Zn, Cd). Inorg. Chem. 1991, 30, 10, 2328–2332. doi:10.1021/ic00010a020
  7. ^ C. Stålhandske and F. Zintl (1987). Structure of bis(1-butanethiolato)mercury(II). Acta Cryst, C43 (5), 863–865. doi:10.1107/s0108270187093788.
  8. ^ 8.0 8.1 8.2 8.3 Chunhong Tan; et al. Penta and hexanuclear nickel tiara-like clusters with two different thiolate bridges. CrystEngComm, 2015,17, 5110-5115. doi:10.1039/C5CE00863H.
  9. ^ T. Kuroda-Sowa; et al. Tetrakis[{μ3-ethoxy(N-methylimino)methanethiolato}copper(I)]. Acta Cryst. (1994). C50, 1026-1028. doi:10.1107/S0108270193013083.