benzoic acid 2-(2,2-dimethyl-5-prop-1-ynyl-[1,3]dioxolan-4-yl)-1-methyl-ethyl ester

6-O-benzoyl-1,1-dibromo-5,7-dideoxy-3,4-O-isopropyliden-L-arabino-hept-1-ene

benzoic acid 2-[5-(2-iodo-propenyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-1-methyl-ethyl ester

Benzoic acid (S)-2-[(4S,5S)-2,2-dimethyl-5-((E)-2-methyl-4-trimethylsilanyl-but-1-en-3-ynyl)-[1,3]dioxolan-4-yl]-1-methyl-ethyl ester

(5R,6S,8S)-6-((tert-butyldimethylsilyl)oxy)-5-(1,3-dithian-2-yl)-2,2,3,3,8,10,10,11,11-nonamethyl-4,9-dioxa-3,10-disiladodecane