、
disodium 2-formylbenzene-1,5-disulfonate 在
三氟乙酸 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以92%的产率得到5-Sulfo-2-(15,16,24,25-tetramethyl-15,25-diphenyl-20-oxa-7,33-dithia-24-aza-16-azonianonacyclo[19.15.0.03,19.05,17.06,14.08,13.023,35.026,34.027,32]hexatriaconta-1(21),2,4,6(14),8,10,12,16,18,22,26(34),27,29,31,35-pentadecaen-2-yl)benzenesulfonate