sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether; water Suzuki Coupling; 2.16667 h; Heating / reflux;

1: thiophene With potassium permanganate; acetic acid Microwave irradiation; 2: (3-formyl-4-methoxyphenyl)boronic acid 0.5 h; Microwave irradiation;