2,3,4,5-四氢-2,8-二甲基-5-[2-(6-甲基吡啶-3-基)乙基]-1H-吡啶并[4,3-b]吲哚 、
四氢噻喃-4-酮 在
4-methyl-N-[2-(6-methylpyridin-3-yl)ethyl]-N-nitrosoaniline 、 SiO2 作用下,
以The desired product was isolated as a glassy yellow oil (13.1 mg, 8.7% over three steps based on 2-methyl-5-(N-nitroso-2-p-tolylaminoethyl)pyridine starting material) by column chromatography on SiO2的产率得到8-methyl-5-[2-(6-methyl-pyridin-3-yl)-ethyl]-1,3,4,5-tetrahydro-thiopyrano[4,3-b]indole