Author(s): Zhen Li, Hao Yu, Lei Zhang, Honglei Liu, Risong Na, Qinghua Bian, Min Wang and Hongchao Guo
Page: [220 - 224] Pages: 5
* (Excluding Mailing and Handling)
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.
Keywords: Cycloaddition, azomethine imine, allenoate, heterocycle, phenanthridine.
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