CN1281318C - 用于制备3,4,5-三羟基苯甲酸甲酯的混合催化剂 - Google Patents
用于制备3,4,5-三羟基苯甲酸甲酯的混合催化剂 Download PDFInfo
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- CN1281318C CN1281318C CN 02139738 CN02139738A CN1281318C CN 1281318 C CN1281318 C CN 1281318C CN 02139738 CN02139738 CN 02139738 CN 02139738 A CN02139738 A CN 02139738A CN 1281318 C CN1281318 C CN 1281318C
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- acid
- mixed catalyst
- methyl ester
- phosphoric acid
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- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
实施例 | 原料 | 操作条件 | 成品g | ||||
没食子酸g | 甲醇ml | 混合催化剂g | 反应时间h | 酯化温度℃ | 填料塔顶温度℃ | ||
2 | 100 | 350 | 10.5 | 12 | 72 | 65 | 93 |
3 | 100 | 400 | 15 | 10 | 76 | 66.5 | 93 |
实施例 | 原料 | 操作条件 | 成品g | |||||
没食子酸g | 甲醇ml | 混合催化剂g | 回收催化剂g | 反应时间h | 酯化温度℃ | 填料塔顶温度℃ | ||
4 | 200 | 800 | 30 | - | 8 | 72-78 | 64.5-66 | 176 |
5 | 200 | 800 | 22 | - | 12 | 72-76 | 64.5-66 | 179 |
6 | 200 | 700 | 18 | - | 14 | 72-76 | 65.5-66 | 177.4 |
7 | 300 | 1250 | 12 | 14.5 | 12 | 72-76 | 64.5-66 | 270 |
实施例 | 原料 | 操作条件 | 成品g | ||||
没食子酸g | 甲醇ml | 混合催化剂g | 反应时间h | 酯化温度℃ | 填料塔顶温度℃ | ||
8 | 100 | 300 | 6 | 8 | 72-78 | 64.5-66 | 82 |
9 | 100 | 200 | 10 | 12 | 72-76 | 64.5-66 | 85 |
10 | 100 | 400 | 15 | 14 | 72-76 | 65.5-66 | 87 |
11 | 100 | 350 | 12 | 14 | 72-78 | 65-66 | 87 |
12 | 100 | 350 | 12 | 10 | 72-76 | 64.5-66 | 85 |
实施例 | 原料 | 操作条件 | 回收 | ||||||
没食子酸g | 甲醇ml | 混合催化剂g | 回收催化剂g | 反应时间h | 酯化温度℃ | 填料塔顶温度℃ | 甲醇ml | 成品g | |
13 | 250 | 750 | 26.5 | - | 12 | 72-76 | 64.5-66 | 680 | 232 |
14 | 300 | 1050 | 8.5 | 20 | 12 | 72-76 | 64.5-66 | 970 | 281.5 |
15 | 300 | 1250 | 12 | 14.5 | 12 | 72-76 | 64.5-66 | 1170 | 277 |
16 | 300 | 1200 | - | 27 | 12 | 72-76 | 64.5-66 | 1100 | 283 |
17 | 400 | 1200 | 10 | 17 | 12 | 72-76 | 64.5-66 | 1050 | 376 |
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02139738 CN1281318C (zh) | 2002-11-05 | 2002-11-05 | 用于制备3,4,5-三羟基苯甲酸甲酯的混合催化剂 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02139738 CN1281318C (zh) | 2002-11-05 | 2002-11-05 | 用于制备3,4,5-三羟基苯甲酸甲酯的混合催化剂 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1498683A CN1498683A (zh) | 2004-05-26 |
CN1281318C true CN1281318C (zh) | 2006-10-25 |
Family
ID=34231867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 02139738 Expired - Lifetime CN1281318C (zh) | 2002-11-05 | 2002-11-05 | 用于制备3,4,5-三羟基苯甲酸甲酯的混合催化剂 |
Country Status (1)
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CN (1) | CN1281318C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102229533A (zh) * | 2011-04-28 | 2011-11-02 | 贵阳单宁科技有限公司 | 电子级没食子酸甲酯的合成方法 |
CN102964252A (zh) * | 2012-11-27 | 2013-03-13 | 湖南先伟实业有限公司 | 利用混合催化剂制备没食子酸丙酯的工艺 |
CN107497474B (zh) * | 2017-08-31 | 2021-03-09 | 扬州工业职业技术学院 | 一种用于合成没食子酸丙酯的沸石催化剂 |
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2002
- 2002-11-05 CN CN 02139738 patent/CN1281318C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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CN1498683A (zh) | 2004-05-26 |
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Effective date of registration: 20170601 Address after: 410000, No. 118, intersection of Huanghua Industrial Park, Changsha, Hunan, Changsha County Patentee after: HUNAN SHINEWAY ENTERPRISE Co.,Ltd. Address before: 410001, Hunan, Changsha agricultural road, No. 378, South Bank branch, four floor office Patentee before: Luo Wei |
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Effective date of registration: 20211210 Address after: 416117 interchange of Changji expressway, Wuxi Town, Luxi County, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Province (in Wuling Sunshine Biotechnology Co., Ltd.) Patentee after: Hunan Xianwei sunshine Biotechnology Co.,Ltd. Address before: 410000 No. 118, airport intersection, Huanghua Industrial Park, Changsha County, Changsha City, Hunan Province Patentee before: HUNAN SHINEWAY ENTERPRISE Co.,Ltd. |
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Granted publication date: 20061025 |
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