Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[5-acetyl-3-cyano-4-(4-methoxy-phenyl)-6-methyl-pyridin-2-ylsulfanyl]-tetrahydro-pyran-3-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
氨                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以81%的产率得到5-acetyl-4-(4-methoxyphenyl)-6-methyl-2-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]sulfanylpyridine-3-carbonitrile