1: 1(4-methoxyphenyl)-1-oxopropane With lithium diisopropyl amide in tetrahydrofuran T=-78°C; 1 h; 2: diethyl chlorophosphate in tetrahydrofuran T=-78 - 20°C;

1: 1(4-methoxyphenyl)-1-oxopropane With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=-78°C; 0.666667 h; Inert atmosphere; 2: diethyl chlorophosphate in tetrahydrofuran; hexane T=-78 - 20°C; 1 h; optical yield given as percent de;