(E)-6-acetyl-2-(1-(2-(diethylamino)ethylamino)ethylidene)-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione 、
碘甲烷 以
二氯甲烷 为溶剂,
反应 72.0h,
以64%的产率得到(E)-2-(1-(6-acetyl-7,9-dihydroxy-8,9b-dimethyl-1,3-dioxo-1,9b-dihydrodibenzo[b,d]furan-2(3H)-ylidene)ethylamino)-N,N-diethyl-N-methylethaneammonium iodide