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. 2011 Jul 25;79(3):449–460. doi: 10.3797/scipharm.1104-20

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© Zarghi et al.; licensee Österreichische Apotheker-Verlagsgesellschaft m. b. H., Vienna, Austria.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Sch. 1. — Reagents and conditions: (a) AlCl₃, CH₂Cl₂, 0–25 °C, 2 h (b) SeO₂, dioxane-H₂O, reflux, 1 h (c) urea, 30% aqueous NaOH, EtOH, reflux, 3 h (d) oxone, THF-H₂O, 25 °C, 3 h (e) RI or RBr, K₂CO₃/DMF, 10–30 min.