teicoplanin A2-2 在
N-溴酞亚胺 、 C
20H
36N
4O
7 作用下,
以
甲醇 、
水 为溶剂,
反应 0.5h,
以17%的产率得到(1S,2R,19R,22R,34S,37R,40R,52S)-2-[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-22-amino-30,32,48-tribromo-5,15-dichloro-64-[(2S,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-(8-methylnonanoylamino)oxan-2-yl]oxy-26,31,44,49-tetrahydroxy-21,35,38,54,56,59-hexaoxo-47-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-7,13,28-trioxa-20,36,39,53,55,58-hexazaundecacyclo[38.14.2.23,6.214,17.219,34.18,12.123,27.129,33.141,45.010,37.046,51]hexahexaconta-3,5,8,10,12(64),14,16,23(61),24,26,29,31,33(60),41(57),42,44,46,48,50,62,65-henicosaene-52-carboxylic acid