iodobenzene in further solvent(s) Sonication; (N2); solvent = 1,1,3,3-tetramethylurea; 2 equivs. of Zn powder used; 50 °C; ultrasound applied for 20 h; 82percent conversion; not isolated; conversion detd. by quenching with I2;
1: sodium salt of trans-cinnamic acid With chloroformic acid ethyl ester in tetrahydrofuran T=20°C; 0.25 h; 2: Ph–ZnI With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=70°C; Negishi-type cross-coupling; 14 h;
