Skip to main content
. Author manuscript; available in PMC: 2012 Jun 15.
Published in final edited form as: Bioorg Med Chem. 2011 May 3;19(12):3845–3854. doi: 10.1016/j.bmc.2011.04.041

Scheme 1.

Scheme 1

a

aReagents and conditions: (a) ethanol, heat to reflux, 12–24 h, 49–92% (b) NBS, UV irradiation, heat to reflux for 24 h, CCl4, 27–93%.