(2R,2'R)-2,2'-(1,3,6,8-tetraoxobenzo[lmn][3,8]phenanthroline-2,7-(1H,3H,6H,8H)-diyl)bis(3-mercaptopropanoic acid) 、
(2R)-2-[[2-[6-[2-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-2-oxoethoxy]naphthalen-2-yl]oxyacetyl]amino]-3-sulfanylpropanoic acid 在
sodium hydroxide 作用下,
以
水 为溶剂,
反应 120.0h,
以60%的产率得到(7R,12R,29R,34R)-5,14,27,36,43,44-hexaoxo-16,25-dioxa-9,10,31,32-tetrathia-6,13,28,35-tetrazaheptacyclo[33.7.1.16,40.117,21.120,24.04,41.037,42]hexatetraconta-1(42),2,4(41),17(46),18,20,22,24(45),37,39-decaene-7,12,29,34-tetracarboxylic acid