(4R,6R,7R)-6-tert-butyldiphenylsilyloxy-7,8-cyclohexylidenedioxyoctan-4-ol

Toluene-4-sulfonic acid (2S,4R)-4-(tert-butyl-diphenyl-silanyloxy)-4-(R)-1,4-dioxa-spiro[4.5]dec-2-yl-2-hydroxy-butyl ester