CN107652236A - 一种右美沙芬杂质17‑甲基吗啡喃‑3‑醇对映异构体的制备方法 - Google Patents
一种右美沙芬杂质17‑甲基吗啡喃‑3‑醇对映异构体的制备方法 Download PDFInfo
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- MKXZASYAUGDDCJ-SZMVWBNQSA-N LSM-2525 Chemical compound C1CCC[C@H]2[C@@]3([H])N(C)CC[C@]21C1=CC(OC)=CC=C1C3 MKXZASYAUGDDCJ-SZMVWBNQSA-N 0.000 title claims abstract description 28
- 229960001985 dextromethorphan Drugs 0.000 title claims abstract description 28
- 239000012535 impurity Substances 0.000 title claims abstract description 18
- IHBSVVZENGBQDY-BBWFWOEESA-N N-Methyl morphinan Chemical compound C1C2=CC=CC=C2[C@]23CCN(C)[C@H]1[C@@H]2CCCC3 IHBSVVZENGBQDY-BBWFWOEESA-N 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 7
- 230000017858 demethylation Effects 0.000 claims abstract description 7
- 238000010520 demethylation reaction Methods 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 230000035484 reaction time Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 4
- 229910015900 BF3 Inorganic materials 0.000 claims description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 2
- 229940071870 hydroiodic acid Drugs 0.000 claims description 2
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- GPWHDDKQSYOYBF-UHFFFAOYSA-N ac1l2u0q Chemical compound Br[Br-]Br GPWHDDKQSYOYBF-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000013517 stratification Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000954 anitussive effect Effects 0.000 description 2
- 229940124584 antitussives Drugs 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- ILAHWRKJUDSMFH-UHFFFAOYSA-N boron tribromide Chemical compound BrB(Br)Br ILAHWRKJUDSMFH-UHFFFAOYSA-N 0.000 description 2
- OROGSEYTTFOCAN-DNJOTXNNSA-N codeine Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)=C[C@H](O)[C@@H]1OC1=C2C3=CC=C1OC OROGSEYTTFOCAN-DNJOTXNNSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical compound C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229960004126 codeine Drugs 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- OROGSEYTTFOCAN-UHFFFAOYSA-N hydrocodone Natural products C1C(N(CCC234)C)C2C=CC(O)C3OC2=C4C1=CC=C2OC OROGSEYTTFOCAN-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/22—Bridged ring systems
- C07D221/28—Morphinans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
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Abstract
本发明涉及一种右美沙芬杂质17‑甲基吗啡喃‑3‑醇对映异构体的制备方法,以右美沙芬为原料,在溶剂与脱甲基试剂中混合反应,反应温度为20~150℃,反应时间为1~72小时,经过分离和纯化得到17‑甲基吗啡喃‑3‑醇对映异构体,其反应方程式如下:
Description
技术领域
本发明属于化学合成技术领域,特别涉及一种右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法。
背景技术
右美沙芬(DXM)是一种强力中枢性镇咳药,镇咳强度与可待因相当,长期服用或高剂量均不产生耐药性和成瘾性。在临床应用中日益受到重视和欢迎,成为世界上应用最广泛,数量最多的一种镇咳药。
右美沙芬的化学名称3-甲氧基-17-甲基吗啡喃对映异构体,其结构式如下所示
右美沙芬在合成工艺中,会在酸性环境发生分解,产生杂质DXM-B。目前面对国内外市场的严峻挑战,提高国产右美沙芬质量是提高其竞争力的一个重要手段。而提高药品质量的一个重要标准就是提高纯度,按照欧洲药典DXM杂质种类及含量的要求,本发明设计并合成出DXM有关的一个杂质17-甲基吗啡喃-3-醇对映异构体(DXM-B),可获得用于质量检测的杂质对照品,以控制DXM的质量,促进其外贸进口。
European Pharmacopoeia8.0版在Page2025-2026页中提及DXM的杂质17-甲基吗啡喃-3-醇对映异构体(DXM-B)的化学结构,但目前尚未有文献报道DXM-B的制备方法。
发明内容
本发明的目的是针对现有技术的不足,提供一种右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法。
为解决上述技术问题,本发明的技术方案为:一种右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其创新点在于:以右美沙芬为原料,在溶剂与脱甲基试剂中混合反应,反应温度为20~150℃,反应时间为1~72小时,经过分离和纯化得到17-甲基吗啡喃-3-醇对映异构体;其反应方程式如下:
进一步地,所述溶剂选用水、醋酸、乙醇、甲醇、异丙醇或乙腈中一种或它们的混合物。
进一步地,所述溶剂选用水。
进一步地,所选脱甲基试剂选用氢溴酸、氢碘酸、三氯化铝、三溴化铝、三氯化硼、三溴化硼、三氟化硼或三氟化硼乙醚中的任一种。
进一步地,所选脱甲基试剂选用氢溴酸。
进一步地,所述混合反应,反应温度为100~150℃,反应时间为24小时。
本发明的优点在于:本发明右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,合成路线合理,原料便宜易得,操作简单易行,收率较高,纯度符合要求。
具体实施方式
下面的实施例可以使本专业的技术人员更全面地理解本发明,但并不因此将本发明限制在所述的实施例范围之中。
实施例1 17-甲基吗啡喃-3-醇对映异构体(DXM-B)的合成
将氢溴酸右美沙芬一水合物(20g,54.05mmol),48%氢溴酸(50g,296.3mmol)和水(20g)投入反应瓶中,升温到回流,反应24小时。降温到室温,加入水(100g),甲苯(50g)室温搅拌。用片碱(约10g)调节pH到8~9,搅拌15分钟。静置分层,水层弃去。甲苯层加入水(100g)和片碱(4g,100mmol)搅拌15分钟,静置分层,弃去甲苯层。水层用盐酸酸化,到pH7~8,析出白色固体。过滤,滤饼加入50%的丙酮水(50g)中,加热溶解,冷却到室温,析出白色晶体,过滤,真空干燥,得到产品8.2克,收率59%,纯度99.3%(HPLC,面积归一化法计算)。
实施例2.
将右美沙芬碱(20g,73.8mmol),乙腈(120ml),三氟化硼乙醚(25g,176.1mmol)投入反应瓶中,氮气保护下,室温,反应6小时。将反应液缓慢加入到水(200g)和甲苯(100g)中,用液碱调节PH到8~9,室温搅拌15分钟。静置分层,水层弃去。甲苯层加入水(100g)和片碱(6g,150mmol)搅拌15分钟,静置分层,弃去甲苯层。水层用盐酸酸化,到pH7~8,析出白色固体。过滤,滤饼加入50%的丙酮水(80g)中,加热溶解,冷却到室温,析出白色晶体,过滤,真空干燥,得到产品11克,收率58%,纯度99.0%(HPLC,面积归一化法计算)
以上显示和描述了本发明的基本原理和主要特征以及本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (6)
1.一种右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其特征在于:以右美沙芬为原料,在溶剂与脱甲基试剂中混合反应,反应温度为20~150℃,反应时间为1~72小时,经过分离和纯化得到17-甲基吗啡喃-3-醇对映异构体;其反应方程式如下:
2.根据权利要求1所述的右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其特征在于:所述溶剂选用水、醋酸、乙醇、甲醇、异丙醇或乙腈中一种或它们的混合物。
3.根据权利要求2所述的右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其特征在于:所述溶剂选用水。
4.根据权利要求1所述的右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其特征在于:所选脱甲基试剂选用氢溴酸、氢碘酸、三氯化铝、三溴化铝、三氯化硼、三溴化硼、三氟化硼或三氟化硼乙醚中的任一种。
5.根据权利要求4所述的右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其特征在于:所选脱甲基试剂选用氢溴酸。
6.根据权利要求1所述的右美沙芬杂质17-甲基吗啡喃-3-醇对映异构体的制备方法,其特征在于:所述混合反应,反应温度为100~150℃,反应时间为24小时。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115784990A (zh) * | 2022-12-14 | 2023-03-14 | 江苏宝众宝达药业股份有限公司 | 一种右美沙芬非对映异构体的分离方法 |
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| CN105712994A (zh) * | 2016-03-30 | 2016-06-29 | 中国医学科学院药物研究所 | 咪唑酮-吗啡喃及其制备方法和应用 |
| US20160243112A1 (en) * | 2015-02-25 | 2016-08-25 | Alkermes, Inc. | Treatments for alzheimer's related diseases and disorders |
| WO2017093519A1 (en) * | 2015-12-03 | 2017-06-08 | Heinrich-Heine-Universität Düsseldorf | Dextrorphan-derivatives with suppressed central nervous activity |
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Patent Citations (3)
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|---|---|---|---|---|
| US20160243112A1 (en) * | 2015-02-25 | 2016-08-25 | Alkermes, Inc. | Treatments for alzheimer's related diseases and disorders |
| WO2017093519A1 (en) * | 2015-12-03 | 2017-06-08 | Heinrich-Heine-Universität Düsseldorf | Dextrorphan-derivatives with suppressed central nervous activity |
| CN105712994A (zh) * | 2016-03-30 | 2016-06-29 | 中国医学科学院药物研究所 | 咪唑酮-吗啡喃及其制备方法和应用 |
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| Title |
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| AMY HAUCK NEWMAN等: "Synthesis and Evaluation of 3-Substituted 17-Methylmorphinan Analogs as Potential Anticonvulsant Agents", 《JOURNAL OF MEDICINAL CHEMISTRY》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784990A (zh) * | 2022-12-14 | 2023-03-14 | 江苏宝众宝达药业股份有限公司 | 一种右美沙芬非对映异构体的分离方法 |
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