cerium(III) chloride; zinc in tetrahydrofuran; benzene T=43°C; Alkylation; destannylation; 2 h; ultrasound;

1: methylmalonic acid dimethyl ester With sodium hydride in tetrahydrofuran deprotonation; 0.25 h; 2: (E)-3-bromo-1-tributylstannylpropene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=20°C; Alkylation; 3: iodobenzene With lithium chloride in tetrahydrofuran Condensation; Heating; Further stages.;

cerium(III) chloride; zinc in tetrahydrofuran; benzene T=43°C; Alkylation; destannylation; 2 h; ultrasound;

cerium(III) chloride; zinc in tetrahydrofuran; benzene T=43°C; Alkylation; destannylation; 2 h; ultrasound;

cerium(III) chloride; zinc in tetrahydrofuran; benzene T=43°C; Alkylation; destannylation; 2 h; ultrasound;