Beilstein J. Org. Chem.2008,4, No. 31, doi:10.3762/bjoc.4.31
reaction with lithium cyclohexyl(isopropyl)amide (LCIA) in 49% overall yield for the 4-step sequence. The elaboration of intermediate 27 entailed a protection-deprotection maneuver that prepared the molecule for an ultimate Appelreaction [28] as a way to install the iodo substituent. The second key