1-thio-2,3,6-tri-O-acetyl-4-O-(2,3,6-tri-O-acetyl-4-O-(2,3,6-tri-O-acetyl-4-O-(2,3,6-tri-O-acetyl-4-O-(2,3,6-tri-O-acetyl-4-O-(2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-O-glucopyranosyl)-α-D-glucopyranosyl)-α-D-glucopyranosyl)-α-D-glucopyranosyl)-α-D-glucopyranosyl)-α-D-glucopyranosyl)-α-D-glucopyranose                                                                                                                                                              在
                                                                                                                                                                                 
甲醇   、                                                                                                  
sodium methylate                                                                                                                                  作用下,
                                                                                                                                                                                        反应 2.0h,
                                                                                                                生成                                                 
1-thio-β-D-maltoheptaose