反应详情

Following the general procedure III as described above, the alkylation of 1′-[(6-chloro-1H-indol-3-yl)carbonyl]-3H-spiro[2-benzofuran-1,4′-piperidine] (prepared according to example 69 above) with methanesulfonic acid pyrazin-2-ylmethyl ester (preparation described in WO 2002064574) gave the title compound. ES-MS m/e (%): 459.3 (M+H+).