591740-41-9Relevant academic research and scientific papers
A novel heterocumulenic Pauson-Khand reaction of alkynylcarbodiimides: A facile and efficient synthesis of heterocyclic ring-fused pyrrolinones
Saito, Takao,Shiotani, Masahiro,Otani, Takashi,Hasaba, Satoshi
, p. 1045 - 1048 (2003)
The first examples of the heterocumulenic Pauson-Khand reaction are described. Alkynylcarbodiimides undergo an intramolecular Pauson-Khand cycloaddition upon heating in the presence of Mo(CO)6 and DMSO to afford 4,5-dihydro-1H-pyrrolo[2,3-b]pyrrolin-2-ones and 1H-pyrrolo[2,3-b]indol-2-ones.
Lewis acid-catalyzed or base-promoted regioselective cycloisomerization of N-imidoyl-o-alkynylanilines for synthesis of N-imidoyl-(1-H)-indoles and 4-alkylidene-3,4-dihydroquinazolines
Otani, Takashi,Jiang, Xue,Cho, Kinryo,Araki, Rino,Kutsumura, Noriki,Saito, Takao
, p. 1483 - 1492 (2015/05/19)
Product selectivity control for the synthesis of imidoylindoles and 4-alkylidenedihydroquinazolines from N-imidoyl-o-alkynylanilines via silver triflate-catalyzed cycloisomerization or tetrabutylammonium fluoride-promoted cyclization is described. The pro
