1: diiodomethane With diethylzinc; trifluoroacetic acid in hexane; dichloromethane T=0°C; 0.666667 h; 2: methyl 3-ethenylbenzoate in hexane; dichloromethane T=0 - 25°C; 3 h; 3: With ammonium chloride in hexane; dichloromethane; water

1: diiodomethane With diethylzinc; trifluoroacetic acid in hexanes; dichloromethane T=0°C; 0.666667 h; 2: methyl 3-ethenylbenzoate in hexanes; dichloromethane T=0 - 20°C; 3 h;

potassium carbonate; palladium diacetate in water T=100°C; Suzuki-Miyaura cross-coupling; 48 h;

1: With CoBr2(1,2-bis(diphenylphosphino)ethane); zinc(II) iodide; zinc in dichloromethane T=20°C; Diels-Alder reaction; Inert atmosphere; 2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone in benzene T=20°C; 1 h; Inert atmosphere;

1: With methanol; lithium hydroxide; water 3 h; 2: With hydrogenchloride in methanol; water pH=~ 3;