ol060657a_si_001.pdf (1.72 MB)
Macrocycle Ring Expansion by Double Stevens Rearrangement
journal contribution
posted on 2006-06-08, 00:00 authored by Keisha K. Ellis-Holder, Brian P. Peppers, Andrei Yu. Kovalevsky, Steven T. DiverNew benzimidazolidinone cyclophanes were synthesized through a double Stevens rearrangement employed as a ring expansion technique.
Para-substituted heterophanes underwent efficient rearrangement. Meta-substituted heterophanes were also prepared. Structure analyses of
the new cyclophanes are also provided.