Selective cyclotrimerization of acetylenes via tantalum-alkyne complexes

DOI: 10.1246/cl.1995.851

Source and publish data:

Chemistry Letters p. 851 - 852 (1995)

Update date:2022-08-17

Topics:

Authors:

Takai, Kazuhiko

Yamada, Masashi

Utimoto, Kiitiro

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Article abstract of DOI:10.1246/cl.1995.851

Tantalum-alkyne complexes from internal acetylenes and low-valent tantalum (TaCl5 and Zn) in DME and benzene react with terminal diynes in presence of THF and pyridine to give tetrasubstituted benzene derivatives in good to excellent yields.

Full text of DOI:10.1246/cl.1995.851

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