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Eight-Membered Ring Formation via Olefin Insertion into a Carbon—Carbon Single Bond.

✍ Scribed by Takanori Matsuda; Atsushi Fujimoto; Mitsuru Ishibashi; Masahiro Murakami

Book ID
101965948
Publisher
John Wiley and Sons
Year
2004
Weight
16 KB
Volume
35
Category
Article
ISSN
0931-7597

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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