Methylidynetricobalt nonacarbonyl catalyzed cyclotrimerization of alkynes.
A cobalt carbonyl cluster, methylidynetricobalt nonacarbonyl, catalyzed inter- and intramolecular cyclotrimerization of alkynes producing substituted benzene derivatives in good to excellent yields.
Sugihara
Takumichi
T
Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan.
Wakabayashi
Akihito
A
Nagai
Yasuko
Y
Takao
Hiroko
H
Imagawa
Hiroshi
H
Nishizawa
Mugio
M