[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-[6-(4-chlorophenyl)-3-cyano-2-sulfanylidenepyridin-1-yl]oxan-2-yl]methyl acetate                                                                                                                                                              在
                                                                                                                                                                                 
氨                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以85%的产率得到6-(4-chlorophenyl)-2-sulfanylidene-1-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]pyridine-3-carbonitrile