由对乙酰氧基苯甲酸、对苯二酚二乙酯、2，6-萘二甲酸及间苯二甲酸四种单体通过熔融缩聚反应，合成了全芳香族四组分共聚酯。
The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.
以2，4-二羟基苯甲酸甲酯为原料，经过氯代反应、水解反应、脱羧反应合成2，4-二氯间苯二酚。
The compound 2,4-dichlororesorcinol was obtained from the starting material 2,4-dihydroxybenzoate via chlorinated reaction, hydrolysis and decarboxylation.
以2，4-二羟基苯甲酸甲酯为原料，经过氯代反应、水解反应、脱羧反应合成2，4-二氯间苯二酚。
The compound 2,4-dichlororesorcinol was obtained from the starting material 2,4-dihydroxybenzoate via chlorinated reaction, hydrolysis and decarboxylation.
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