Figure 3. Scope of tandem ODRE reaction.
a Reagents and conditions: PhI(TFA)2 (1.0—1.5 equiv), M eNO2 , 0 °C to 24 °C, 0.5 −2 h. bRemainder indene byproducts resulting from dehydration of 10a -d and unidentified side products, based on 1H-NMR analysis of crude product. cIsolated as a mixture of amide rotamers (3:2 E/Z). dIsolated as a mixture of amide rotamers (2:1 E/Z). eReaction performed in MeOH at 0 °C.
