sodium;5-[(4-chlorophenyl)diazenyl]-3-cyano-4,6-dimethylpyridine-2-thiolate   、                                                                                      
2,3,4,6-四乙酰氧基-alpha-D-吡喃葡萄糖溴化物                                                                                                                                                                                              以
                                                                                         
丙酮                                                                                  为溶剂,
                                                                                                                                                                                        以80%的产率得到Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[5-(4-chloro-phenylazo)-3-cyano-4,6-dimethyl-2-thioxo-2H-pyridin-1-yl]-tetrahydro-pyran-3-yl ester