硫代异氰酸苯酯   、                                                                                      (1-Ethyl-propylamino)-acetic acid (2R,3R,4R,5R,6S)-3-acetoxy-5-azido-6-(tert-butyl-dimethyl-silanyloxy)-2-{2-[(1-ethyl-propyl)-(2-{(1-ethyl-propyl)-[2-(1-ethyl-propylamino)-acetyl]-amino}-acetyl)-amino]-acetoxymethyl}-tetrahydro-pyran-4-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
N-甲基吗啉                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                生成                                                 
[(2R,3R,4R,5R,6S)-3-acetyloxy-5-azido-6-[tert-butyl(dimethyl)silyl]oxy-4-[2-[pentan-3-yl(phenylcarbamothioyl)amino]acetyl]oxyoxan-2-yl]methyl 2-[pentan-3-yl-[2-[pentan-3-yl-[2-[pentan-3-yl(phenylcarbamothioyl)amino]acetyl]amino]acetyl]amino]acetate