7-二乙基氨基-3-(4-异硫氰酸基苯基)-4-甲基苯并吡喃-2-酮 、
4-[5-[(2R,3R,4S,5R,6S)-6-[(2R,3S,4R,5R,6S)-5-acetamido-6-[(2R,3S,4R,5R,6S)-5-acetamido-6-[(2R,3R,4R,5S,6S)-6-carbamoyl-4-carbamoyloxy-2-[[(2R)-2-carboxy-2-[(2Z,6E,13E)-3,8,8,14,18-pentamethyl-11-methylidenenonadeca-2,6,13,17-tetraenoxy]ethoxy]-hydroxy-oxidophosphaniumyl]oxy-5-hydroxy-5-methyloxan-3-yl]oxy-4-hydroxy-2-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-3-yl]oxy-4-hydroxy-2-methyloxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]-1-[3-(2-aminoethylcarbamoyl)-4-nitrophenyl]-1,2,4-triazol-3-yl]-4-oxobutanoic acid 在
phenazopyridine hydrochloride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 24.0h,
以51%的产率得到N'-[2-[[5-[5-[(2R,3R,4S,5R,6S)-6-[(2R,3S,4R,5R,6S)-5-acetamido-6-[(2R,3S,4R,5R,6S)-5-acetamido-6-[(2R,3R,4R,5S,6S)-6-azaniumylcarbonyl-4-carbamoyloxy-2-[[(2R)-2-carboxy-2-[(2Z,6E,13E)-3,8,8,14,18-pentamethyl-11-methylidenenonadeca-2,6,13,17-tetraenoxy]ethoxy]-hydroxy-oxidophosphaniumyl]oxy-5-hydroxy-5-methyloxan-3-yl]oxy-4-hydroxy-2-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-3-yl]oxy-4-hydroxy-2-methyloxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]-3-(3-carboxypropanoyl)-1,2,4-triazol-1-yl]-2-nitrobenzoyl]amino]ethyl]-N-[4-[7-(diethylamino)-4-methyl-2-oxochromen-3-yl]phenyl]carbamimidothioate