(1S,3R,5S,6R,7R)-6-[(tert-butyldimethylsilyl)oxy]-8-[(1R)-1-(4-methoxyphenyl)ethyl]-4-oxa-8-azatricyclo[5.1.0.03,5]octan-2-one

(4S,5R)-4,5-O-isopropylidenedioxycyclohex-2-en-1-one

4-(tert-Butyl-dimethyl-silanyloxy)-2-iodo-cyclohex-2-enone

(1S,4R,4aS,8R,8aR)-8-hydroxy-4,4a,8,8a-tetrahydro-1,4-methanonaphthalen-5(1H)-one