Chemistry Letters p. 851 - 852 (1995)
Update date:2022-08-17
Topics:
Takai, Kazuhiko
Yamada, Masashi
Utimoto, Kiitiro
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.
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