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. Author manuscript; available in PMC: 2014 Mar 14.
Published in final edited form as: J Med Chem. 2013 Feb 27;56(5):2139–2149. doi: 10.1021/jm400050y

Scheme 2. Preparation of Compounds 9a–da.

Scheme 2

aReagents and conditions: (a) benzene or naphthalene, P2O5, Al2O3, reflux; (b) 2-naphthalenyl boronic acid, PdCl2, K2CO3, acetone, H2O, 110°C, microwave irradiation; (c) 1-indanone, KOH, MeOH; (d) 10% Pd/C, H2, HCl, MeOH.