3-二甲基氨基苯甲醚 、
(+)-(9R)-3H-9-methoxycarbonylindolizino<8,7-b>indole 在
甲醇 、
1-氯乙基氯甲酸酯 作用下,
生成 (R)-11-(4-Dimethylamino-2-methoxy-phenyl)-5,6,7,8,9,10,11,12-octahydro-7,12-diaza-cyclonona[a]indene-11-carboxylic acid methyl ester 、 (S)-11-(4-Dimethylamino-2-methoxy-phenyl)-5,6,7,8,9,10,11,12-octahydro-7,12-diaza-cyclonona[a]indene-11-carboxylic acid methyl ester