Combinatorial Chemistry Review

Synthesis of quinoline derivatives by [4+2] cycloaddition reaction

Tetsuji Kametani, Hajime Takeda, Yukio Suzuki, Toshio Honda, Synthetic communications, 15(6), 499-505 (1985)

Recently, we have reported the synthesis of quinoline ring system by an intermolecular [4+2] cycloaddition of the Schiff base as a diene with the styrene derivative as a dienophile. It is thus of interest to examine the further application of the above cycloaddition employing cyclic enol ether as a dienophile to construct a fused quinoline ring system, not only for investigation of its extension, but also because of the occurrence of a number of physiologically interesting quinoline alkaloids as natural products.

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Further Reading: quinolines synthesis and properties at Chemsynthesis.