1: 1-methoxy-3-tetrahydropyran-2-yloxybenzene With n-butyllithium in diethyl ether; hexane T=0 - 20°C; 2: carbon dioxide in diethyl ether; hexane Further stages.;
参考文献
Kuehnert, Sven M; Maier, Martin E
Organic letters, 2002 , vol. 4, # 4 p. 643 - 646