(1R,2R,4R)-2-exo-Cyano-7-oxabicyclo[2.2.1]hept-5-en-2-yl (1S')-camphanate [(+)-1, Diels-Alder adduct of furan to 1-cyanovinyl (1S)-camphanate] was transformed with high stereoselectivity into (1R,2R,6R,7R)-4-phenyl-3,10-dioxa-5-azatricyclo[5.2.1.0(2,6)]dec ...
1994