CN104744468B - 一种合成茶碱的方法 - Google Patents
一种合成茶碱的方法 Download PDFInfo
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- CN104744468B CN104744468B CN201410609325.XA CN201410609325A CN104744468B CN 104744468 B CN104744468 B CN 104744468B CN 201410609325 A CN201410609325 A CN 201410609325A CN 104744468 B CN104744468 B CN 104744468B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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CN201410609325.XA CN104744468B (zh) | 2014-10-31 | 2014-10-31 | 一种合成茶碱的方法 |
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CN201410609325.XA CN104744468B (zh) | 2014-10-31 | 2014-10-31 | 一种合成茶碱的方法 |
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CN104744468A CN104744468A (zh) | 2015-07-01 |
CN104744468B true CN104744468B (zh) | 2016-04-13 |
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CN102260260B (zh) * | 2010-05-24 | 2014-08-06 | 中国科学院上海药物研究所 | 8-苯基黄嘌呤类化合物、其制备方法、包含该化合物的药物组合物及其用途 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Xifei River Road Changfeng Shuangfeng Economic Development Zone of Hefei City, Anhui Province, No. 008 231131 Patentee after: PINGGUANG PHARMACEUTICAL Co.,Ltd. Address before: Xifei River Road Changfeng Shuangfeng Economic Development Zone of Hefei City, Anhui Province, No. 008 231131 Patentee before: HEFEI PINGGUANG PHARMACEUTICAL Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for synthesis of theophylline Effective date of registration: 20221230 Granted publication date: 20160413 Pledgee: Bank of China Limited Hefei Branch Pledgor: PINGGUANG PHARMACEUTICAL Co.,Ltd. Registration number: Y2022980029748 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |