N-(9-fluorenylmethoxycarbonyl)-O-[(α,α-dimethyl-4-succin-monoamidobenzyl)dimethylsilyl]-L-serine allyl ester 、 (S)-3-[(2R,4aR,6S,7R,8R,8aR)-7-Acetylamino-2-phenyl-8-((2R,3R,4S,5S,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-amino-propionic acid allyl ester 生成