Thiocarbonyl induced heterocumulenic Pauson-Khand type reaction: expedient synthetic method for thieno[2,3-b]indol-2-ones.
The first examples of C[double bond, length as m-dash]S induced Pauson-Khand type reactions are described; 2-alkynylphenyl isothiocyanates were converted to 3-substituted-2H-thieno[2,3-b]indol-2-ones in the presence of a stoichiometric amount of Mo(CO)(6) or Co(2)(CO)(8), or a catalytic amount of Rh catalyst under an atmospheric pressure of carbon monoxide.
Saito
Takao
T
Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan. tsaito@rs.kagu.tus.ac.jp
Nihei
Hiroshi
H
Otani
Takashi
T
Suyama
Toshiyuki
T
Furukawa
Naoki
N
Saito
Masatoshi
M