5-aminofluorescein 、
17-(cyclopropylmethyl)-6,7-didehydro-4,5α-epoxy-3,14-dihydroxy-1'-(p-isothiocyanatobenzyl)indolo<6,7:2',3'>morphinan 在
三乙胺 作用下,
以
四氢呋喃 、
乙醇 为溶剂,
反应 4.0h,
以85.7%的产率得到5-[[4-[[(1S,2S,13R,21R)-22-(cyclopropylmethyl)-2,16-dihydroxy-14-oxa-11,22-diazaheptacyclo[13.9.1.01,13.02,21.04,12.05,10.019,25]pentacosa-4(12),5,7,9,15,17,19(25)-heptaen-11-yl]methyl]phenyl]carbamothioylamino]-2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid