25,26-dimethoxy-4,9,23-trimethyl-13,16,19-trioxa-27-oxoniatetracyclo<19.3.1.1.1>heptacosa-1(25),2,4,6(27),7,9,11(26),21,23-nonane tetrafluoroborate 在
乙酸铵 作用下,
以
溶剂黄146 为溶剂,
反应 3.0h,
以10%的产率得到25,26-dimethoxy-4,9,23-trimethyl-13,16,19-trioxa-azatetracyclo<19.3.1.1.1>heptacosa-1(25),2,4,6(27),7,9,11(26),21,23-nonaene