CN110343053B - 一种紫外线吸收剂的制备方法 - Google Patents
一种紫外线吸收剂的制备方法 Download PDFInfo
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- CN110343053B CN110343053B CN201910669426.9A CN201910669426A CN110343053B CN 110343053 B CN110343053 B CN 110343053B CN 201910669426 A CN201910669426 A CN 201910669426A CN 110343053 B CN110343053 B CN 110343053B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/14—Preparation of carboxylic acid esters from carboxylic acid halides
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CN201910669426.9A CN110343053B (zh) | 2019-07-24 | 2019-07-24 | 一种紫外线吸收剂的制备方法 |
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CN201910669426.9A CN110343053B (zh) | 2019-07-24 | 2019-07-24 | 一种紫外线吸收剂的制备方法 |
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CN110343053A CN110343053A (zh) | 2019-10-18 |
CN110343053B true CN110343053B (zh) | 2022-04-22 |
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CN115572238B (zh) * | 2022-09-27 | 2023-10-17 | 常州永和精细化学有限公司 | N-(2-乙氧基苯基)-n'-(2-乙基苯基)-草酰胺的制备方法 |
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CA2099154A1 (en) * | 1992-09-24 | 1994-03-25 | Ronald E. Mac Leay | N-[2-hydroxy-3-(2h-benzotriazol-2-yl)benzyl]oxamides |
CN103261173B (zh) * | 2010-12-10 | 2015-09-23 | 帝斯曼知识产权资产管理有限公司 | 2-甲基-4-氨基-5-氰基嘧啶(ⅰ)的制备方法 |
CN102702012A (zh) * | 2012-06-19 | 2012-10-03 | 南通惠康国际企业有限公司 | 光稳定剂n-(2-乙基苯基)-n’-(2-乙氧基-5-叔丁基苯基)-草酸二胺的制备方法 |
CN105418396B (zh) * | 2015-12-28 | 2016-08-17 | 湖北师范学院 | 一种紫外线吸收剂bp-2的合成方法 |
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Address after: 234000 yongbi town Light Chemical Industrial Park, Xiao County, Suzhou City, Anhui Province Patentee after: Anhui Xinxiu Chemical Co.,Ltd. Address before: 234000 yongbi town Light Chemical Industrial Park, Xiao County, Suzhou City, Anhui Province Patentee before: XIAOXIAN XINXIU NEW MATERIAL CO.,LTD. |
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Denomination of invention: A Preparation Method for Ultraviolet Absorber Effective date of registration: 20230511 Granted publication date: 20220422 Pledgee: Suzhou Financing Guarantee Group Co.,Ltd. Pledgor: Anhui Xinxiu Chemical Co.,Ltd. Registration number: Y2023980040322 |
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