128329-77-1
(1S,2R,6R,4Z)-5-(3'-(benzyloxy)propyl)-1,2,4-trimethyl-3,9-dioxabicyclo[4.2.1]non-4-ene
→
128329-80-6
(1''R,1'R,2R,5S)-5-(1'-(tert-butyldimethylsiloxy)ethyl)-5-methyl-2-(1''-(tert-butyldimethylsiloxy)-1''-methyl-4''-(benzyloxy)butyl)tetrahydrofuran