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Ring-Closing Metathesis of Titanium–Carbene Complexes Prepared from Thioacetals Having a Carbon–Carbon Double Bond

✍ Scribed by Tooru Fujiwara; Yoshiko Kato; Takeshi Takeda


Book ID
104202629
Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
179 KB
Volume
56
Category
Article
ISSN
0040-4020

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✍ Alejandro M. Granados; Jerónimo Kreiker; Rita H. de Rossi 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 154 KB

The reaction of 4-X-5-alkylthio-3H-1,2-dithiole-3-thione (1) with Fischer carbene complexes (2) gives, as a main product, cyclohexa dithiine derivatives due to insertion of the carbene ligand into the C3 C4 bond of the heterocycle. The reaction takes place with 1 where the alkyl substituents in posi