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Three sulfur atom insertion into the SS bond—pentasulfide preparation

✍ Scribed by Yihua Hou; Imad A Abu-Yousef; David N Harpp

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
68 KB
Volume
41
Category
Article
ISSN
0040-4039

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✦ Synopsis

Chloro(triphenylmethyl)trisulfide (1) reacts under mild conditions with symmetric primary dialkyl disulfides and aromatic disulfides giving pentasulfides as the main products in good yield and selectivity. A mechanism involving a triphenylmethyl alkyl/phenyl tetrasulfide intermediate is discussed.

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Insertion of a two sulfur unit into the
Insertion of a two sulfur unit into the S–S bond—tailor-made polysulfides
✍ Andrzej Z. Rys; David N. Harpp 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 156 KB

Triphenylthiosulfenyl chloride (1) reacts with disul®des RSSR, yielding tetrasul®des as the main products. The results of the insertion for dierent R groups are reported. A two-step mechanism involving the formation of unsymmetrical trisul®de intermediates containing the trityl group is proposed.