2402-00-8Relevant articles and documents
Selectfluor-initiated cyanation of disulfides to thiocyanates
Zhou, Pengpeng,Chen, Chuan,Li, Shubai
, p. 376 - 380 (2020/02/13)
A Selectfluor-initiated cyanation of disulfides to thiocyanates has been developed. In this process, Selectfluor was employed as the oxidant and trimethylsilyl cyanide was used as the cyanation reagent. It provides an eco-friendly and simple way to synthesize the thiocyanates.
Preparation method for thiocyanide compound
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Paragraph 0138; 0139; 0144; 0145, (2018/06/16)
The invention discloses a preparation method for a thiocyanide compound. The preparation method comprises the following steps: taking a sulfhydryl compound, thiocyanate as raw materials, taking rose-bengal, eosine Y or eosin B as a catalyst, performing illumination, generating a thiocyanide compound after the illumination reaction. According to the preparation method provided by the invention, thiocyanide is decomposed into thiocyanate ions; the sulfhydryl compound generates sulfhydryl radical under the action of light and the catalyst, and the sulfhydryl radical is used for attacking carbon atoms in thiocyanate ions to obtain a intermediate; sulfide is removed from the intermediate to obtain the thiocyanide compound. The rose-bengal, the eosine Y or the eosin B used by the method containno heavy metal ion, and the adverse effect on the performance of the thiocyanide compound by the heavy metal ion residue is avoided; in addition, the catalyst is easily removed, so that a favorable condition is provided for the preparation of the thiocyanide compound with higher purity.
The first observation of the E,Z configuration of Ar-X-N=S=N-X-Ar (X = S, Se) chains in the crystalline state
Makarov, Arkady G.,Bagryanskaya, Irina Yu.,Gatilov, Yuri V.,Kuratieva, Natalia V.,Makarov, Alexander Yu.,Shakirov, Makhmut M.,Alexeyev, Alexey V.,Tersago, Karla,Van Alsenoy, Christian,Blockhuys, Frank,Zibarev, Andrey V.
scheme or table, p. 4801 - 4810 (2011/03/01)
New oligomeric analogues of poly(sulfur nitride), i.e. 3-ClC 6R4-X-N=S=N-X-C6R4Cl-3 (5-8; R = H, F and X = S, Se), were synthesized and structurally characterized in the solid state by single-crystal XRD, in solution by variable-temperature NMR spectroscopy and in the gas phase with DFT/B3LYP calculations. In the crystal, compounds 5-7 display the well-known Z,Z configuration, whereas 8 (R = F, X = Se) is the first compound to display the E,Z configuration amongst twelve structurally defined Ar-X-N=S=N-X-Ar (X = S, Se) derivatives in the hydrocarbon and fluorocarbon series. Through a careful analysis of the packing schemes and the intermolecular interactions of the various compounds, an explanation of the abnormal behaviour of 8 is put forward. The unique E,Z configuration of the title compounds in the crystal is observed for Ar = 3-ClC6F 4 and X = Se - in the presence of eleven Z,Z configurations found by XRD for various Ar and X groups in the hydrocarbon and fluorocarbon series - and explained by specific intermolecular Se???Cl and F???Cl interactions. (Colour code: grey - C, green - Cl, light green - F, blue- N, orange - S, magenta - Se.)
