This invention relates to a method of producing a compound represented by the following general formula (3):
[wherein R is a bivalent aliphatic group having a carbon number of 1-16 or a bivalent aromatic group], which comprises a step (i) of reacting a compound represented by the following general formula (1):
with a carboxylic acid halide represented by the following general formula (2):
[wherein R is a bivalent aliphatic group having a carbon number of 1-16 or a bivalent aromatic group and X is a halogen atom] in the presence of a basic compound to form an ester, and a step (ii) of conducting a heat treatment after the step (i) to decompose an oligomer in the ester.
本发明涉及一种生产由以下通式(3)代表的化合物的方法:
[其中 R 为
碳原子数为 1-16 的二价
脂肪族基团或二价芳香族基团],该方法包括步骤(i):使下 列通式(1)所代表的化合物反应:
与以下通式(2)代表的
羧酸卤化物反应:
[其中 R 为
碳原子数为 1-16 的二价
脂肪族基团或二价芳香族基团,X 为卤素原子],在碱性化合物存在下反应生成
酯,以及步骤(ii),在步骤(i)之后进行热处理以分解
酯中的低聚物。