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Letters in Organic Chemistry


ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

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

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

Volume 11 , Issue 3 , 2014

Page: [220 - 224] Pages: 5

DOI: 10.2174/1570178610666131120003018

Price: $65


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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