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. 2020 Nov 17;25(22):5373. doi: 10.3390/molecules25225373

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Scheme 45 — Cycloaddition of benzyne to the bay region of diaryl(or dimethoxy)benzoperylenes [152,197,198,199,200]. Reagents and conditions: (a) CsF + 1,2-dicyanoethene + 1,2-dimethoxyethane (1v/1v), 80 °C, 24 h, Y = up to 78%, R—see Figure 5.