... with (tert-butyl)dimethylsilyl 4-deoxy-2,3-di-O-(methoxymethyl)-4-methyl-6-O-(tert-butyl) dimethylsilyl)-β-d-glycero-l-gluco-heptodialdo-1,5-pyranoside ((+)-7) and a C-glycosidation of (4R,7R&S,E)-7,8-dichloro-2-methylidene-1-(trimethylsilyl)oct-5-en-4-yl p-methoxybenzoate (16). ...