Abstract
Ultraviolet irradiation [1] of the Schiff’s base N-benzylidene-2-naph-thylamine (1) in ethanol in the presence of air gave as the main product (30–40% yield) a crystalline material of m.p. 188°. This was shown to be 3-phenylbenzo[f]quinoline (2). Analogous irradiation of N-(4-methoxy-benzylidene)-2-naphthylamine (3) gave 3-(4-methoxyphenyl)-benzo[f]-quinoline (4).
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Schönberg, A. (1968). Miscellaneous light-induced reactions of organic nitrogen compounds. In: Preparative Organic Photochemistry. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-87918-0_36
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