使用Tetraethyl 1,1,2,2-ethanetetracarboxylate was used in the synthesis of double-ring molecules. It was also used in the preparation of tapt and tapt·4HCl·EtOH·0.5H2O.
調製方法
純化方法Recrystallise the ester twice from EtOH by cooling to 0o. [Mochizuki et al. Bull Chem Soc Jpn 64 1750 1991, Weinges et al. Angew Chem 93 1008 1981, Beilstein 2 IV 2415.]