CN104324739B - 一种二氟乙酰乙酸乙酯合成用催化剂及其制备方法 - Google Patents
一种二氟乙酰乙酸乙酯合成用催化剂及其制备方法 Download PDFInfo
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- CN104324739B CN104324739B CN201410481619.9A CN201410481619A CN104324739B CN 104324739 B CN104324739 B CN 104324739B CN 201410481619 A CN201410481619 A CN 201410481619A CN 104324739 B CN104324739 B CN 104324739B
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Abstract
Description
项目 | 对比例1 | 对比例2 |
反应时间/min | 142 | 185 |
产品收率/% | 72.6 | 77.8 |
产品醇化处理 | 过滤后将溶液蒸馏的产品 | 过滤后将溶液蒸馏的产品 |
产品纯度/% | 97.5 | 98.8 |
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CN201410481619.9A CN104324739B (zh) | 2014-09-19 | 2014-09-19 | 一种二氟乙酰乙酸乙酯合成用催化剂及其制备方法 |
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CN104324739A CN104324739A (zh) | 2015-02-04 |
CN104324739B true CN104324739B (zh) | 2016-05-04 |
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CN114315577A (zh) * | 2021-12-16 | 2022-04-12 | 湖南海利化工股份有限公司 | 一种2-乙氧基亚甲基-4,4-二氟乙酰乙酸乙酯的合成方法 |
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JP2012025697A (ja) * | 2010-07-23 | 2012-02-09 | Daikin Industries Ltd | ジフルオロ酢酸エステルの製造方法 |
CN102206155A (zh) * | 2011-04-19 | 2011-10-05 | 巨化集团公司 | 一种4,4-二氟乙酰乙酸乙酯的合成方法 |
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Effective date of registration: 20190719 Address after: No. 31 Guangxing Road, Guangrao Economic Development Zone, Guangrao County, Dongying City, Shandong Province Patentee after: GREEN CHEMICAL (DONGYING) CO., LTD. Address before: 257 300 West of Yuehe Road and North of Guangxing Road, Guangrao County Economic Development Zone, Dongying City, Shandong Province Patentee before: DONGYING HAINA NEW MATERIAL CO., LTD. |
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Denomination of invention: Catalyst for synthesizing ethyl difluoroacetate and preparation method thereof Effective date of registration: 20211223 Granted publication date: 20160504 Pledgee: Guangrao sub branch of Dongying Bank Co., Ltd Pledgor: GREEN CHEMICAL (DONGYING) Co.,Ltd. Registration number: Y2021980015782 |
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