5-[N-methyl-2-(7-diphenylamino-9,9-diethyl-9H-fluoren-2-yl)pyrrol-5-yl]thiophene-2-carbaldehyde 、
氰乙酸 在
乙酸铵 作用下,
以
溶剂黄146 为溶剂,
以(E)-2-cyano-3-[5-(N-methyl-2-(7-diphenylamino-9,9-diethyl-9H-fluoren-2-yl)pyrrol-5-yl)thiophen-2-yl]acrylic acid (26a) is obtained的产率得到(E)-2-cyano-3-[5-(N-methyl-2-(7-diphenylamino-9,9-diethyl-9H-fluoren-2-yl)pyrrol-5-yl)thiophen-2-yl]acrylic acid