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- Title
Electrochemical Synthesis of Organic Polysulfides from Disulfides by Sulfur Insertion from S<sub>8</sub> and an Unexpected Solvent Effect on the Product Distribution.
- Authors
Fährmann, Jan; Hilt, Gerhard
- Abstract
An electrochemical synthesis of organic polysulfides through sulfur insertion from elemental sulfur to disulfides or thiols is introduced. The highly economic, low‐sensitive and low‐priced reaction gives a mixture of polysulfides, whose distribution can be influenced by the addition of different amounts of carbon disulfide as co‐solvent. To describe the variable distribution function of the polysulfides, a novel parameter, the "absorbance average sulfur amount in polysulfides" (SAP) was introduced and defined on the basis of the "number average molar mass" used in polymer chemistry. Various organic polysulfides were synthesized with variable volume fractions of carbon disulfide, and the yield of each polysulfide was determined by quantitative 13C NMR. Moreover, by using two symmetrical disulfides or a disulfide and a thiol as starting materials, a mixture of symmetrical and asymmetrical polysulfides could be obtained.
- Subjects
POLYSULFIDES; DISULFIDES; ORGANIC synthesis; CARBON disulfide; SULFUR; MOLAR mass
- Publication
Chemistry - A European Journal, 2021, Vol 27, Issue 43, p11141
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202101023