Ethyl Acetate →

Participants

Reaction Steps

44.0 g of 3-methyl-6,7-dimethoxy-1-(4-nitrophenyl)-2-benzopyrylium-perchlorate (C.A. 105, 1986, 152712h) is added to a solution of 46.3 g of AlCl3 in 170 ml of nitromethane and heated to boiling for 4 hours. The solvent is removed, the residue is treated with 500 ml of cooled 50% HCl solution, and the product that is obtained is washed with cold water. 43.5 g of crude product, which is mixed with 130 ml of acetic acid, heated to boiling and mixed with 13.3 ml of 70% HClO4, is obtained. After cooling, 30.0 g of the title compound (73%) with melting point 253°-255° C. (decomposition ethyl acetate) is obtained.

Provenance & Evidence