Synthesis of Tetracyclic Molecules Containing Medium-Sized Heterocycles: Scope Expansion of Cascade Nicholas and Pauson-Khand Methodology.

Autor: Nozomi Akimura, Ayaka Fujii, Fuma Kamada, Ryoki Nogiwa, Syota Yamamoto, Teppei Sato, Syuji Ishikawa, Tatsuya Okazaki, Kyosuke Kaneda
Předmět:
Zdroj: Synthesis; 2016, Vol. 48 Issue 22, p3931-3940, 10p
Abstrakt: Unique tetracyclic molecules containing heteroatom-embedded, medium-sized rings were synthesized by employing cascade Nicholas and Pauson-Khand cyclization reactions. We successfully established a divergent synthetic route for quick access to unprecedented multi-ring systems via an alkyne cobalt complex, and an expanded substrate scope for this methodology was realized. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index