-
公开(公告)号:US4239913A
公开(公告)日:1980-12-16
申请号:US933902
申请日:1978-08-15
IPC分类号: C07C51/15
CPC分类号: C07C51/15
摘要: A process for preparing 2-hydroxynaphthalenecarboxylic acids which comprises reacting a liquid mixture of 1 mole of an alkali .beta.-naphtholate, 0.05 to 3 moles of .beta.-naphthol, and 0.1 to 5 times the weight of the alkali .beta.-naphtholate of light oil or kerosene with carbon dioxide under a carbon dioxide pressure of not more than 15 kg/cm.sup.2.G at a temperature of at least 180.degree. C.
摘要翻译: 一种制备2-羟基萘甲酸的方法,其包括使1摩尔碱式β-萘酚的0.05摩尔β-萘酚的液体混合物与轻油碱性β-萘磺酸盐的重量的0.1至5倍反应,或 在二氧化碳压力为不超过15kg / cm 2·G的二氧化碳的煤油中,在至少180℃的温度下