氨基亚氨基甲烷磺酸 、
lithium 5-acetamido-2,6-anhydro-4-azido-8-ethyl-3,4,5,7,8,9,10-heptadeoxy-D-altro-D-talo-deca-2-enoic acid 在
potassium carbonate 作用下,
以
水 为溶剂,
以68%的产率得到lithium 5-acetamido-2,6-anhydro-4-guanidino-8-ethyl-3,4,5,7,8,9,10-heptadeoxy-D-altro-D-talo-deca-2-enoic acid