+++ Спасибо J. Chem. Soc. Perkin Trans.

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Ishihara Yuji, Tanaka Toshimasa, Goto Giichi

Regioselective Friedel-Crafts acylation of 1,2,3,4-tetrahydroquinoline and related nitrogen heterocycles: Effects of NH protective groups and ring size

J. Chem. Soc. Perkin Trans. 1 (1992) N 24, S 3401-3406

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http://dx.doi.org/10.1039/p19920003401

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