CN100467470C - 一种8-氯茶碱制备的改进工艺 - Google Patents
一种8-氯茶碱制备的改进工艺 Download PDFInfo
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- CN100467470C CN100467470C CNB2007100553809A CN200710055380A CN100467470C CN 100467470 C CN100467470 C CN 100467470C CN B2007100553809 A CNB2007100553809 A CN B2007100553809A CN 200710055380 A CN200710055380 A CN 200710055380A CN 100467470 C CN100467470 C CN 100467470C
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- 238000002360 preparation method Methods 0.000 title claims description 5
- YIUIVFFUEVPRIU-UHFFFAOYSA-N 8-chlorotheophylline Chemical compound O=C1N(C)C(=O)N(C)C2=NC(Cl)=N[C]21 YIUIVFFUEVPRIU-UHFFFAOYSA-N 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 20
- RYYVLZVUVIJVGH-UHFFFAOYSA-N trimethylxanthine Natural products CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims description 20
- RYIGNEOBDRVTHA-UHFFFAOYSA-N 8-chlorotheophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC(Cl)=N2 RYIGNEOBDRVTHA-UHFFFAOYSA-N 0.000 claims description 19
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims description 17
- 229960001948 caffeine Drugs 0.000 claims description 17
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims description 17
- 239000001117 sulphuric acid Substances 0.000 claims description 14
- 235000011149 sulphuric acid Nutrition 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000012452 mother liquor Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 5
- 238000010025 steaming Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 238000005660 chlorination reaction Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 229960004993 dimenhydrinate Drugs 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 2
- 238000010009 beating Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000007664 blowing Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000005352 clarification Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 239000011630 iodine Substances 0.000 description 3
- LFXTXVAAAUELDW-UHFFFAOYSA-N 1-(dichloromethyl)-3,7-dimethylpurine-2,6-dione Chemical compound ClC(N1C(=O)N(C)C=2N=CN(C)C2C1=O)Cl LFXTXVAAAUELDW-UHFFFAOYSA-N 0.000 description 2
- NFLLKCVHYJRNRH-UHFFFAOYSA-N 8-chloro-1,3-dimethyl-7H-purine-2,6-dione 2-(diphenylmethyl)oxy-N,N-dimethylethanamine Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC(Cl)=N2.C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 NFLLKCVHYJRNRH-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 235000019636 bitter flavor Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009992 mercerising Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
原料名称 | 分子式 | 分子量 | 性状 | 质量指标规格 |
咖啡因 | C<sub>8</sub>H<sub>10</sub>NO<sub>2</sub> | 194.22 | 白色或黄绿色有丝光针状结晶,味苦、无臭、在空气中易风化、易升华、80℃易失水,易溶于氯仿、微溶于水及醇,极微溶于乙醚。 | 含量≥99%水份:≤0.5%熔点:235~238.5℃ |
硝基苯 | C<sub>6</sub>H<sub>5</sub>NO<sub>2</sub> | 123.11 | 无色或黄色透明油状液体,有苦杏仁味,有毒随水蒸气挥发,微溶于水,溶于醇、苯、醚及油类凝固点5.7℃,沸点210~212℃,相对密度1.20。 | 含量:99%水份:<0.5% |
碘 | I<sub>2</sub> | 253.81 | 蓝黑色鳞状或片状物有金属光泽,有辛刺激气味,能够升华,一般温度时挥发成紫色腐蚀性蒸汽,不溶于水、溶于碘化钾溶液,熔点113.50℃。 | 含量≥99.5% |
液氯 | CI<sub>2</sub> | 70.91 | 黄绿色气体,有强烈刺激臭味和腐蚀性,剧毒、相对密度1.468,沸点-34.6℃。 | 含量≥99.5% |
无水氯化钙 | CaCl<sub>2</sub> | 110.99 | 味微苦而涩,无臭、空气中极易潮解,强烈吸湿,溶于乙醇、丙酮等,密度2.158,熔点772℃,白色多孔性熔块或颗粒。 | 含量≥95%水份:<0.5-1% |
无水硫酸钠 | Na<sub>2</sub>SO<sub>4</sub> | 142.04 | 白色结晶性粉末,密度2.698g/cm<sub>3</sub>熔点884℃,100℃失去结晶水。在空气中风化为无水物,溶于水不溶于乙醇。 | 含量≥98%水份:<0.5% |
液碱 | NaOH | 40.00 | 无色或淡兰色液体与水互溶,呈强碱性,对皮肤有腐蚀性,相对密度:1.44。 | 含量≥42% |
原料名称 | 配比(重量比) | 投料量 | 原料规格 |
7、8-二氯咖啡因 | 1 | 60-80kg | 分解点293℃以上 |
纯净水 | 12 | 720-960L | 澄清、透明、无杂质 |
氢氧化钠 | 以pH值计 | 15-20L | 含量40%(w/w)比重1.414g/cm<sup>3</sup> |
稀硫酸 | 以pH值计 | 100-120L | 含量15%(w/v)比重1.09g/cm<sup>3</sup>(20℃) |
Claims (5)
Priority Applications (1)
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CNB2007100553809A CN100467470C (zh) | 2007-02-28 | 2007-02-28 | 一种8-氯茶碱制备的改进工艺 |
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CNB2007100553809A CN100467470C (zh) | 2007-02-28 | 2007-02-28 | 一种8-氯茶碱制备的改进工艺 |
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CN101016298A CN101016298A (zh) | 2007-08-15 |
CN100467470C true CN100467470C (zh) | 2009-03-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106632333A (zh) * | 2016-11-30 | 2017-05-10 | 湖州恒远生物化学技术有限公司 | 一种低成本8‑氯茶碱的制备方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102875553B (zh) * | 2012-10-18 | 2014-09-10 | 江西隆莱生物制药有限公司 | 8-氯茶碱及其中间体7,8-二氯茶碱的制备工艺 |
-
2007
- 2007-02-28 CN CNB2007100553809A patent/CN100467470C/zh active Active
Non-Patent Citations (4)
Title |
---|
Purines. XIV [1]. Synthesis and Propertiesof8-Nitroxanthineand its N-methyl Derivatives. Mosselhi A. Mosselhi,et al.J.Heterocyclic.Chem.,Vol.30 . 1993 |
Purines. XIV [1]. Synthesis and Propertiesof8-Nitroxanthineand its N-methyl Derivatives. Mosselhi A. Mosselhi,et al.J.Heterocyclic.Chem.,Vol.30 . 1993 * |
医药中间体生产实用技术手册. 金维高,428,化学工业出版社. 2002 |
医药中间体生产实用技术手册. 金维高,428,化学工业出版社. 2002 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106632333A (zh) * | 2016-11-30 | 2017-05-10 | 湖州恒远生物化学技术有限公司 | 一种低成本8‑氯茶碱的制备方法 |
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Inventor after: Guo Yuemin Inventor after: Li Wei Inventor after: Li Lidong Inventor before: Guo Yuemin Inventor before: Li Wei Inventor before: Li Lidong |
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Denomination of invention: Improved preparation process of 8-chlorotheophylline Effective date of registration: 20191223 Granted publication date: 20090311 Pledgee: China Everbright Bank Limited by Share Ltd Changchun branch Pledgor: Jilin Shulan Synthetic Pharmaceutical Co., Ltd. Registration number: Y2019980001207 |
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