Abstract
The synthesis of benzoxepine and benzo-2H -pyran
derivatives by the implementation of an inxepensive and easy to
handle molecular iodine-mediated intramolecular electrophilic cyclization
strategy is described. Simple substitution at the terminus of the
propargyl group alters the course of the iodocyclization.
Key words
iodine - intramolecular cyclization - benzoxepine - benzo-2H -pyrans
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