Oliveira, Ana M. A. G.; Raposo, M. Manuela M.; Oliveira-Campos, Ana M. F.; Griffiths, John; Machado, Antonio E. H.
Helvetica Chimica Acta, 2003 , vol. 86, # 8 p. 2900 - 2907
1: 1-methoxy-3-phenoxybenzene With n-butyllithium in tetrahydrofuran
T=-78 - 20°C; 2 h;
2: 1-methoxy-9H-xanthen-9-one in tetrahydrofuran
T=-78°C; Further stages.;