Methyl 2-methyl-3-pyridin-3-yl-indolizine-1-carboxylate 、
甲烷磺酸 在
solid 作用下,
以
乙醇 为溶剂,
反应 3.0h,
以0.0395 g of methyl 2-methyl-3-pyridin-3-ylindolizine-1-carboxylate methane sulphonate salt is thus obtained in the form of a yellow solid melting at 111° C.的产率得到Methyl 2-methyl-3-pyridin-3-ylindolizine-1-carboxylate methane sulphonate salt