Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[3-cyano-5-(4-methoxy-phenylazo)-4,6-diphenyl-pyridin-2-ylsulfanyl]-tetrahydro-pyran-3-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
氨                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以84%的产率得到5-(4-Methoxy-phenylazo)-4,6-diphenyl-2-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-ylsulfanyl)-nicotinonitrile