Thermal [3+2] Cycloaddition Reaction of N-Acyliminophenanthridinium Betaine with Allenoates: Facile Access to Phenanthridine-fused Tetracyclic Heterocycles

Title:Thermal [3+2] Cycloaddition Reaction of N-Acyliminophenanthridinium Betaine with Allenoates: Facile Access to Phenanthridine-fused Tetracyclic Heterocycles

Volume: 11 Issue: 3

Author(s): Zhen Li, Hao Yu, Lei Zhang, Honglei Liu, Risong Na, Qinghua Bian, Min Wang and Hongchao Guo

Affiliation:

Keywords: Cycloaddition, azomethine imine, allenoate, heterocycle, phenanthridine.

Abstract: The thermal [3+2] cycloaddition reaction of N-acyliminophenanthridinium betaines with various allenoates has been investigated. The reaction was operationally simple and proceeded smoothly under mild reaction conditions, providing a variety of aromatic tetracyclic heterocycles in moderate to excellent yields.

Cite this article as:

Li Zhen, Yu Hao, Zhang Lei, Liu Honglei, Na Risong, Bian Qinghua, Wang Min and Guo Hongchao, Thermal [3+2] Cycloaddition Reaction of N-Acyliminophenanthridinium Betaine with Allenoates: Facile Access to Phenanthridine-fused Tetracyclic Heterocycles, Letters in Organic Chemistry 2014; 11 (3) . https://dx.doi.org/10.2174/1570178610666131120003018