Methyl 4-decoxy-6-[[6-[[4-decoxy-6-[[6-[[4-decoxy-6-[[6-[[4-decoxy-6-[[6-(phenylmethoxycarbonylamino)pyridin-2-yl]carbamoyl]pyridine-2-carbonyl]amino]pyridin-2-yl]carbamoyl]pyridine-2-carbonyl]amino]pyridin-2-yl]carbamoyl]pyridine-2-carbonyl]amino]pyridin-2-yl]carbamoyl]pyridine-2-carboxylate 在
氢氧化钾 作用下,
以
1,4-二氧六环 、
水 为溶剂,
以98%的产率得到4-Decoxy-6-[[6-[[4-decoxy-6-[[6-[[4-decoxy-6-[[6-[[4-decoxy-6-[[6-(phenylmethoxycarbonylamino)pyridin-2-yl]carbamoyl]pyridine-2-carbonyl]amino]pyridin-2-yl]carbamoyl]pyridine-2-carbonyl]amino]pyridin-2-yl]carbamoyl]pyridine-2-carbonyl]amino]pyridin-2-yl]carbamoyl]pyridine-2-carboxylic acid