CN111777654A - 一种泼尼松的制备方法 - Google Patents
一种泼尼松的制备方法 Download PDFInfo
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- 229960004618 prednisone Drugs 0.000 title claims abstract description 24
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- ALEXXDVDDISNDU-JZYPGELDSA-N cortisol 21-acetate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O ALEXXDVDDISNDU-JZYPGELDSA-N 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 21
- 229960001067 hydrocortisone acetate Drugs 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 238000000855 fermentation Methods 0.000 claims abstract description 13
- 230000004151 fermentation Effects 0.000 claims abstract description 13
- 238000006356 dehydrogenation reaction Methods 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims description 41
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 36
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- 229940117975 chromium trioxide Drugs 0.000 claims description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 9
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 5
- 241000203720 Pimelobacter simplex Species 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 238000007670 refining Methods 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000012043 crude product Substances 0.000 claims description 4
- 229940099596 manganese sulfate Drugs 0.000 claims description 4
- 239000011702 manganese sulphate Substances 0.000 claims description 4
- 235000007079 manganese sulphate Nutrition 0.000 claims description 4
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 3
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 239000011565 manganese chloride Substances 0.000 claims description 3
- 235000002867 manganese chloride Nutrition 0.000 claims description 3
- 229940099607 manganese chloride Drugs 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 235000011181 potassium carbonates Nutrition 0.000 claims description 3
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 claims description 3
- 235000019252 potassium sulphite Nutrition 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 claims description 2
- 229940099427 potassium bisulfite Drugs 0.000 claims description 2
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 6
- 229960001701 chloroform Drugs 0.000 description 4
- MOVRKLZUVNCBIP-RFZYENFJSA-N cortancyl Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)CC2=O MOVRKLZUVNCBIP-RFZYENFJSA-N 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 239000011630 iodine Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- NTYJJOPFIAHURM-UHFFFAOYSA-N Histamine Chemical compound NCCC1=CN=CN1 NTYJJOPFIAHURM-UHFFFAOYSA-N 0.000 description 2
- 230000003266 anti-allergic effect Effects 0.000 description 2
- 230000003110 anti-inflammatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- XOJIHVCRNAFVAJ-JIFZMYKYSA-N (8S,9S,10R,13S,14S,17R)-17-acetyl-16,16-dihydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,17-decahydro-1H-cyclopenta[a]phenanthren-3-one Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC(O)(O)[C@H](C(=O)C)[C@@]1(C)CC2 XOJIHVCRNAFVAJ-JIFZMYKYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229940124350 antibacterial drug Drugs 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- OSVMTWJCGUFAOD-KZQROQTASA-N formestane Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1O OSVMTWJCGUFAOD-KZQROQTASA-N 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 229960001340 histamine Drugs 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 239000003440 toxic substance Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
- C07J5/0046—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond substituted in position 17 alfa
- C07J5/0053—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond substituted in position 17 alfa not substituted in position 16
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- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P33/00—Preparation of steroids
- C12P33/02—Dehydrogenating; Dehydroxylating
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Abstract
本发明公开了一种泼尼松的制备方法,属于药物的制备加工技术领域。该方法以醋酸氢化可的松为起始原料,经氧化、生物发酵脱氢、水解三个步骤,制备得到本发明所述的泼尼松。本发明所述泼尼松的制备方法通过改进传统工艺的不足,实现了目的产品纯度高,质量稳定性好,收率高,生产成本低,反应条件温和,避免了使用剧毒的氰试剂,本发明方法操作简便,适于工业化生产,具有广阔的市场前景。
Description
技术领域
本发明涉及药物的制备加工技术领域,具体涉及一种泼尼松的制备方法。
背景技术
泼尼松,英文名为Prednisone,化学名为17α,21-二羟基-1,4-孕甾二烯-3,11,20-三酮。泼尼松具有抗炎及抗过敏作用,能抑制结缔组织的增生,降低毛细血管壁和细胞膜的通透性,减少炎性渗出,并能抑制组胺及其它毒性物质的形成与释放,还能促进蛋白质分解转变为糖,减少葡萄糖的利用。当严重中毒性感染时,与大量抗菌药物配合使用,可有良好的降温、抗毒、抗炎、抗休克及促进症状缓解作用。抗炎及抗过敏作用较强,副作用较少,市场应用广泛。
CN104370988公开了一种醋酸泼尼松的合成方法,以二羟基黄体酮脱氢物为起始原料,经上碘、置换、氧化制备得到醋酸泼尼松,其合成路线如下:
该合成方法上碘反应步骤需要使用毒性较大且对环保不友好的碘试剂,不利用大规模的工业化生产。
CN103601782公开了一种醋酸泼尼松的合成方法,以11α-羟基雄甾-1,4-二烯-3,17-二酮为起始原料,经氧化、氰基取代、硅烷保护、取代、酯化,制备得到醋酸泼尼松,其合成路线如下:
该合成方法步骤较长,氰基取代反应中要用到剧毒的氰试剂,含氰废水较难处理且有重大安全隐患,也不太适合于工业化生产。
发明内容
为了解决上述问题,本发明提供了一种产品纯度高,质量稳定性好,收率高,生产成本低,反应过程简单,条件温和的泼尼松的制备方法。
本发明的目的是通过如下方式实现的:
一种泼尼松的制备方法,该方法的合成路线如下:
具体包括如下步骤:
1)氧化反应:将醋酸氢化可的松(1)加入到有机溶剂A中,加入醋酸水溶液,氧化助剂,三氧化铬水溶液,控制温度0~30℃搅拌反应,反应结束后,加入亚硫酸盐水溶液,水洗至中性,浓缩,水析,过滤,干燥,得到中间体2;
2)脱氢反应:步骤1)得到的中间体(2)通过传统生物发酵工艺,进行脱氢发酵得到中间体3;
3)水解反应:将步骤2)得到的中间体(3)加入到有机溶剂B中,加入碱液,控制温度0~30℃搅拌反应,反应结束后,加入酸溶液中和,浓缩,水析,过滤,得到粗品,所述粗品再用上述有机溶剂B精制一次,即得到泼尼松。
进一步,步骤1)中所述有机溶剂A为二氯甲烷、二氯乙烷或三氯甲烷中的一种,其体积用量为底物醋酸氢化可的松(1)的3~15倍;所述醋酸水溶液质量浓度为50~90%,其体积用量为底物醋酸氢化可的松(1)的3~10倍;所述氧化助剂为硫酸锰或氯化锰中的一种,其质量用量为底物醋酸氢化可的松(1)的0.1~0.5倍;其中所述三氧化铬水溶液质量浓度为30~70%,其质量用量为底物醋酸氢化可的松(1)的0.2~1.0倍;所述亚硫酸盐水溶液为亚硫酸钠、亚硫酸钾、亚硫酸氢钠或亚硫酸氢钾水溶液中的一种,其质量浓度为20~50%,其体积用量为底物醋酸氢化可的松(1)的0.2~1.0倍;
进一步,步骤2)中所述的传统生物发酵工艺为常规的1,2-脱氢发酵工艺。
优选地,步骤2)中所述的传统生物发酵工艺为传统的节杆菌ArthrobacterSimplex By-2-13发酵方法。
进一步,步骤3)中所述有机溶剂B为甲醇、乙醇、二氯甲烷、异丙醇、二氯乙烷或三氯甲烷中的至少一种,其体积用量为底物中间体(3)的10~40倍;其中所述碱液为碳酸钾、碳酸氢钾、氢氧化钠、氢氧化钾、亚硫酸钠、三乙胺或1,8-二氮杂二环十一碳-7-烯水溶液中的至少一种,其质量浓度为1~10%,其体积用量为底物中间体(3)的1~5倍;所述酸溶液为盐酸、硫酸、磷酸、醋酸或甲酸水溶液中的一种,其质量浓度为1~35%。
本发明方法中所涉及到的原料均可以通过市购的方式充分获得。
本发明与现有技术相比的有益效果是:
1、本发明对反应装置要求低,运行成本低,操作简便,适于工业化生产,有较好的市场前景。
2、本发明反应温和,全部在温和条件下进行,总质量收率高于65%,产品纯度高于99.0%。
3、本发明避免了使用剧毒且有巨大安全隐患的氰试剂,有利于安全生产。
4、本发明所用起始原料醋酸氢化可的松价廉易得,市场供应广阔。
具体实施方式
下面结合实施例对本发明进行进一步阐述,其并不用于限制本发明。
实施例中未说明具体实验步骤或条件者,按照本领域内的公开文本所描述的常规实验方法的操作即可进行,所用试剂或设备未注明厂商者,均为可以通过市购获得的常规产品。
实施例1一种泼尼松的制备方法,包括如下步骤:
1)氧化反应:将20g醋酸氢化可的松(1)加入到300ml二氯甲烷中,加入200ml50%醋酸水溶液,10g硫酸锰,4ml70%三氧化铬水溶液,控制温度0℃搅拌反应,反应结束后,加入20ml20%亚硫酸氢钠水溶液,水洗至中性,浓缩,水析,过滤,干燥,得到18.9g中间体2;
2)脱氢反应:将步骤1)得到的18.9g中间体(2)通过传统的节杆菌ArthrobacterSimplex By-2-13发酵方法,得到17.0g中间体3;
3)水解反应:将步骤2)得到的17.0中间体(3)加入到85ml二氯甲烷和85ml甲醇的混合溶剂中,加入17ml 10%三乙胺水溶液,控制温度30℃搅拌反应,反应结束后,加入10%盐酸水溶液中和,浓缩,水析,过滤,精制,得到13.6g泼尼松,产品熔点233.5~234.7℃,HPLC含量99.2%,总收率68.0%。
实施例2一种泼尼松的制备方法,包括如下步骤:
1)氧化反应:20g醋酸氢化可的松(1)加入到150ml二氯乙烷中,加入100ml60%醋酸水溶液,5g硫酸锰,20ml 30%三氧化铬水溶液,控制温度15℃搅拌反应,反应结束后,加入10ml 30%亚硫酸钾水溶液,水洗至中性,浓缩,水析,过滤,干燥,得到18.8g中间体2;
2)脱氢反应:步骤1)得到的18.8g中间体(2)通过传统的节杆菌ArthrobacterSimplex By-2-13发酵方法,得到16.8g中间体3;
3)水解反应:将步骤2)得到的16.8中间体(3)加入到160ml三氯甲烷和100ml异丙醇的混合溶剂中,加入80ml 1%氢氧化钠水溶液,控制温度0℃搅拌反应,反应结束后,加入15%硫酸水溶液中和,浓缩,水析,过滤,精制,得到13.4g泼尼松,产品熔点233.3~234.5℃,HPLC含量99.1%,总收率67.0%。
实施例3一种泼尼松的制备方法,包括如下步骤:
1)氧化反应:20g醋酸氢化可的松(1)加入到60ml三氯甲烷中,加入60ml90%醋酸水溶液,2g氯化锰,10ml50%三氧化铬水溶液,控制温度30℃搅拌反应,反应结束后,加入4ml50%亚硫酸钠水溶液,水洗至中性,浓缩,水析,过滤,干燥,得到19.2g中间体2;
2)脱氢反应:步骤1)得到的19.2g中间体(2)通过传统的节杆菌ArthrobacterSimplex By-2-13发酵方法,得到17.0g中间体3;
3)水解反应:将步骤2)得到的17.0中间体(3)加入到680ml乙醇中,加入34ml5%碳酸钾水溶液,控制温度15℃搅拌反应,反应结束后,加入35%醋酸水溶液中和,浓缩,水析,过滤,精制,得到13.7g泼尼松,产品熔点233.6~234.7℃,HPLC含量99.3%,总收率68.5%。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。
Claims (5)
2.根据权利要求1所述泼尼松的制备方法,其特征在于,步骤1)中所述有机溶剂A为二氯甲烷、二氯乙烷或三氯甲烷中的一种,其体积用量为底物醋酸氢化可的松(1)的3~15倍;所述醋酸水溶液质量浓度为50~90%,其体积用量为底物醋酸氢化可的松(1)的3~10倍;所述氧化助剂为硫酸锰或氯化锰中的一种,其质量用量为底物醋酸氢化可的松(1)的0.1~0.5倍;所述三氧化铬水溶液质量浓度为30~70%,其质量用量为底物醋酸氢化可的松(1)的0.2~1.0倍;所述亚硫酸盐水溶液为亚硫酸钠、亚硫酸钾、亚硫酸氢钠或亚硫酸氢钾水溶液中的一种,其质量浓度为20~50%,其体积用量为底物醋酸氢化可的松(1)的0.2~1.0倍。
3.根据权利要求1所述泼尼松的制备方法,其特征在于,步骤2)中所述的传统生物发酵工艺为常规的1,2-脱氢发酵工艺。
4.根据权利要求1所述泼尼松的制备方法,其特征在于,步骤2)中所述的传统生物发酵工艺为传统的节杆菌Arthrobacter Simplex By-2-13发酵方法。
5.根据权利要求1所述泼尼松的制备方法,其特征在于,步骤3)中所述有机溶剂B为甲醇、乙醇、二氯甲烷、异丙醇、二氯乙烷或三氯甲烷中的至少一种,其体积用量为底物中间体(3)的10~40倍;所述碱液为碳酸钾、碳酸氢钾、氢氧化钠、氢氧化钾、亚硫酸钠、三乙胺或1,8-二氮杂二环十一碳-7-烯水溶液中的至少一种,其质量浓度为1~10%,其体积用量为底物中间体(3)的1~5倍;所述酸溶液为盐酸、硫酸、磷酸、醋酸或甲酸水溶液中的一种,其质量浓度为1~35%。
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