ethyl 9-cyclopropyl-2-methyl-4-(((trifluoromethyl)sulfonyl)oxy)-6,7,8,9-tetrahydro-5H-pyrido[2,3-b]indole-3-carboxylate 、
2-(8-chloro-5-methyl-3,4-dihydro-2H-1-benzopyran-6-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 、
disodium;carbonate 在
四(三苯基膦)钯 氮气 、
水 、
2,9-dimethyl-4-(5-methylchroman-6-yl)-9H-pyrido[2,3-b]indole-3-carbaldehyde 、 Brine 、
Sodium sulfate-III 、
ethyl acetate n-hexane 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 2.17h,
以gave ethyl 4-(8-chloro-5-methylchroman-6-yl)-9-cyclopropyl-2-methyl-6,7,8,9-tetrahydro-5H-pyrido[2,3-b]indole-3-carboxylate (510.8 mg, 1.066 mmol, 95% yield) as white solid的产率得到ethyl 4-(8-chloro-5-methylchroman-6-yl)-9-cyclopropyl-2-methyl-6,7,8,9-tetrahydro-5H-pyrido[2,3-b]indole-3-carboxylate