(2S,3R,4E)-3-O-benzoyl-2-N-tetracosanoylsphingenine   、                                                                                      
O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1-4)-O-<(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1-3)>-O-(2-acetamido-6-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1-3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1-4)-2,3,6-tri-O-acetyl-α-D-glucopyra...                                                                                                                                                              在
                                                                                                                                                                                 
三氟化硼乙醚                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以7.3%的产率得到O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1-4)-O-<(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1-3)>-O-(2-acetamido-6-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1-3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1-4)-O-(2,3,6-tri-O-acetyl-β-D-glucop...