CN102911072B - 酸直接水解5-甲基-5-(3,4-二甲氧基苄基)乙内酰脲制备甲基多巴的方法 - Google Patents
酸直接水解5-甲基-5-(3,4-二甲氧基苄基)乙内酰脲制备甲基多巴的方法 Download PDFInfo
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- CN102911072B CN102911072B CN201210209088.9A CN201210209088A CN102911072B CN 102911072 B CN102911072 B CN 102911072B CN 201210209088 A CN201210209088 A CN 201210209088A CN 102911072 B CN102911072 B CN 102911072B
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CN201210209088.9A CN102911072B (zh) | 2012-06-21 | 2012-06-21 | 酸直接水解5-甲基-5-(3,4-二甲氧基苄基)乙内酰脲制备甲基多巴的方法 |
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CN102911072A CN102911072A (zh) | 2013-02-06 |
CN102911072B true CN102911072B (zh) | 2014-12-24 |
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CN114315619B (zh) * | 2022-01-17 | 2023-03-24 | 山东泓瑞医药科技股份公司 | 一种二甲氧基多巴的合成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US2605282A (en) * | 1949-02-18 | 1952-07-29 | Dow Chemical Co | Process for production of beta-(3, 4-dihydroxyphenyl)-alanine |
US2868818A (en) * | 1953-12-15 | 1959-01-13 | Merck & Co Inc | Alpha methyl phenylalanines |
US3553258A (en) * | 1966-06-07 | 1971-01-05 | Hoffmann La Roche | Phenylalanine compounds |
CN101337903A (zh) * | 2008-08-12 | 2009-01-07 | 广西医科大学 | 一种左旋多巴乙酯的制备方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US2605282A (en) * | 1949-02-18 | 1952-07-29 | Dow Chemical Co | Process for production of beta-(3, 4-dihydroxyphenyl)-alanine |
US2868818A (en) * | 1953-12-15 | 1959-01-13 | Merck & Co Inc | Alpha methyl phenylalanines |
US3553258A (en) * | 1966-06-07 | 1971-01-05 | Hoffmann La Roche | Phenylalanine compounds |
CN101337903A (zh) * | 2008-08-12 | 2009-01-07 | 广西医科大学 | 一种左旋多巴乙酯的制备方法 |
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Owner name: ZHEJIANG SHOUXIN PHARMACEUTICAL CO., LTD. Free format text: FORMER NAME: SHOUXIN MEDICINE CHEMICALS CO., LTD., ZHEJIANG |
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Address after: Xiaoshan District of Hangzhou City, Zhejiang province 311227 Zhejiang Nanyang Economic Development Zone No. 6 Jiang Er Lu Patentee after: ZHEJIANG SHOUXIN PHARMACEUTICAL CO., LTD. Address before: Xiaoshan District of Hangzhou City, Zhejiang province 311227 Zhejiang Nanyang Economic Development Zone No. 6 Jiang Er Lu Patentee before: Shouxin Medicine Chemicals Co., Ltd., Zhejiang |
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Effective date of registration: 20191211 Address after: 318000 No.7 Donghai 4th Avenue, linghaitoumengang New District, Linhai City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Yongtai handxin Pharmaceutical Technology Co., Ltd Address before: Xiaoshan District of Hangzhou City, Zhejiang province 311227 Zhejiang Nanyang Economic Development Zone No. 6 Jiang Er Lu Patentee before: ZHEJIANG SHOUXIN PHARMACEUTICAL CO., LTD. |
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Effective date of registration: 20200131 Address after: Xiaoshan District of Hangzhou City, Zhejiang province 311227 Zhejiang Nanyang Economic Development Zone No. 6 Jiang Er Lu Patentee after: ZHEJIANG SHOUXIN PHARMACEUTICAL CO., LTD. Address before: 318000 No.7 Donghai 4th Avenue, linghaitoumengang New District, Linhai City, Taizhou City, Zhejiang Province Patentee before: Zhejiang Yongtai handxin Pharmaceutical Technology Co., Ltd |