CN111808157A - 一种腺苷原料药的制备方法 - Google Patents
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- OIRDTQYFTABQOQ-KQYNXXCUSA-N adenosine Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O OIRDTQYFTABQOQ-KQYNXXCUSA-N 0.000 title claims abstract description 75
- 239000002126 C01EB10 - Adenosine Substances 0.000 title claims abstract description 37
- 229960005305 adenosine Drugs 0.000 title claims abstract description 37
- 239000003814 drug Substances 0.000 title claims abstract description 15
- 229940079593 drug Drugs 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- UGQMRVRMYYASKQ-KQYNXXCUSA-N Inosine Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C2=NC=NC(O)=C2N=C1 UGQMRVRMYYASKQ-KQYNXXCUSA-N 0.000 claims abstract description 26
- 229930010555 Inosine Natural products 0.000 claims abstract description 25
- 229960003786 inosine Drugs 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims abstract description 18
- MHYGQXWCZAYSLJ-UHFFFAOYSA-N tert-butyl-chloro-diphenylsilane Chemical compound C=1C=CC=CC=1[Si](Cl)(C(C)(C)C)C1=CC=CC=C1 MHYGQXWCZAYSLJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 235000005074 zinc chloride Nutrition 0.000 claims abstract description 9
- 239000011592 zinc chloride Substances 0.000 claims abstract description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005915 ammonolysis reaction Methods 0.000 claims abstract description 7
- QQVDYSUDFZZPSU-UHFFFAOYSA-M chloromethylidene(dimethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)=CCl QQVDYSUDFZZPSU-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000000047 product Substances 0.000 claims abstract description 7
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- 150000001875 compounds Chemical class 0.000 claims description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- -1 (tert-butyldiphenylsilyl) oxy Chemical group 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 claims description 6
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- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 claims description 6
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 6
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- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
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- ZKBQDFAWXLTYKS-UHFFFAOYSA-N 6-Chloro-1H-purine Chemical compound ClC1=NC=NC2=C1NC=N2 ZKBQDFAWXLTYKS-UHFFFAOYSA-N 0.000 description 2
- ZKHQWZAMYRWXGA-KQYNXXCUSA-J ATP(4-) Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O ZKHQWZAMYRWXGA-KQYNXXCUSA-J 0.000 description 2
- ZKHQWZAMYRWXGA-UHFFFAOYSA-N Adenosine triphosphate Natural products C1=NC=2C(N)=NC=NC=2N1C1OC(COP(O)(=O)OP(O)(=O)OP(O)(O)=O)C(O)C1O ZKHQWZAMYRWXGA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- CBHOOMGKXCMKIR-UHFFFAOYSA-N azane;methanol Chemical class N.OC CBHOOMGKXCMKIR-UHFFFAOYSA-N 0.000 description 2
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- FDGQSTZJBFJUBT-UHFFFAOYSA-N hypoxanthine Chemical compound O=C1NC=NC2=C1NC=N2 FDGQSTZJBFJUBT-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical group N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 1
- FHRRAKRVIMRHQX-HMTTWLPMSA-N 9-[(2S,3R,4R,5R)-2,3,4-triacetyl-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one Chemical compound C(C)(=O)[C@@]1([C@]([C@@](O[C@@H]1CO)(N1C=NC=2C(O)=NC=NC1=2)C(C)=O)(O)C(C)=O)O FHRRAKRVIMRHQX-HMTTWLPMSA-N 0.000 description 1
- 229930024421 Adenine Natural products 0.000 description 1
- GFFGJBXGBJISGV-UHFFFAOYSA-N Adenine Chemical compound NC1=NC=NC2=C1N=CN2 GFFGJBXGBJISGV-UHFFFAOYSA-N 0.000 description 1
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- 206010003210 Arteriosclerosis Diseases 0.000 description 1
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- 208000007530 Essential hypertension Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UGQMRVRMYYASKQ-UHFFFAOYSA-N Hypoxanthine nucleoside Natural products OC1C(O)C(CO)OC1N1C(NC=NC2=O)=C2N=C1 UGQMRVRMYYASKQ-UHFFFAOYSA-N 0.000 description 1
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- IHNHAHWGVLXCCI-FDYHWXHSSA-N [(2r,3r,4r,5s)-3,4,5-triacetyloxyoxolan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H]1OC(C)=O IHNHAHWGVLXCCI-FDYHWXHSSA-N 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 229960000643 adenine Drugs 0.000 description 1
- UDMBCSSLTHHNCD-KQYNXXCUSA-N adenosine 5'-monophosphate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(O)=O)[C@@H](O)[C@H]1O UDMBCSSLTHHNCD-KQYNXXCUSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
- C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
- C07H19/16—Purine radicals
- C07H19/167—Purine radicals with ribosyl as the saccharide radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
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- Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
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- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
本发明公开了一种腺苷原料药的制备方法。该方法首先将肌苷与叔丁基二苯基氯硅烷在催化剂存在的条件下反应,得到的产物纯化后与vilsmeier试剂反应,反应完成后,产物纯化,然后氨解脱保护,精制后得最终产品腺苷。本发明通过采用大分子量并耐酸、耐碱的羟基保护基叔丁基二苯基氯硅烷,使中间产物以固体的形式存在,有利于进一步纯化,提高了中间产物的纯度,同时也提高了反应过程中各中间体的稳定性,加强了对工艺质量控制。同时本发明采用锌粉与氯化锌作为羟基保护反应的催化剂,克服了位阻型羟基保护剂叔丁基二苯基氯硅烷与肌苷反应位阻大,反应时间长,收率低的问题,提高了叔丁基二苯基氯硅烷的反应活性。
Description
技术领域
本发明属于腺苷原料药的制备技术领域,具体涉及一种腺苷原料药的化学合成方法。
背景技术
腺苷,化学名为:9-β-D-呋喃核糖基腺嘌呤(Adenosine)。其对心血管系统和肌体的许多其它系统及组织均有生理作用。腺苷同时也是用于合成三磷酸腺苷(ATP)、腺嘌呤、腺苷酸、阿糖腺苷的重要中间体。
腺苷做为抗心律失常药,可使阵发性室上性心动过速转为窦性心律,同时可治疗心绞痛、心肌梗塞、冠脉功能不全、动脉硬化、原发性高血压、脑血管障碍、中风后遗症、进行性肌肉萎缩等。其结构式如下:
八十年代以前,腺苷主要来自核糖核酸的降解,然后脱磷获得;八十年代以后,日本开始用发酵法生产腺苷;微生物发酵法生产腺苷工艺复杂,污水多,收率低,生产成本高,进入二十一世纪后,化学合成法制备腺苷得到迅速发展。腺苷与肌苷的结构类似,不同之处在于其嘌呤环上6-位处腺苷为-NH2,肌苷为-OH,两者之间较易相互转化,以往肌苷市场价高于腺苷,但自九十年代初国内采用大规模工业发酵生产肌苷以来,肌苷的价格逐年降低。以肌苷为原料制备腺苷,利于生产成本控制。
中国专利申请CN1408720A公开了一种以次黄嘌呤为起始原料,与三氯氧磷反应得到6-氯嘌呤,6-氯嘌呤与四乙酰核糖在催化剂双对硝基苯磷酸酯作用下进行缩合,缩合物在饱和的氨-甲醇溶液作用下氨解得到腺苷的方法。该专利原料昂贵且用量大,同时工艺操作繁琐,没有工业化的价值。
中国专利申请CN1406946A公开的方法是以肌苷为起始原料,采用过量的醋酸酐,在过量吡啶存在下,将肌苷乙酰化,用Vilsmeier试剂进行氯化,得到氯-乙酰化肌苷,脱乙酰基,得到氯化肌苷,通入液态氨,高压下(反应压力7479kg/cm2)进行氨基化,得到腺苷。此方法中,关键中间体氯代三乙酰肌苷为油状化合物,难以进一步分离纯化,质控困难,并且该化合物在氨解过程中产生大量的杂质,终产品难以提纯。
中国专利CN100460416C以肌苷为原料,以乙腈为溶剂,三乙胺作为缚酸剂在催化剂的存在下,进行乙酰化反应,制备得到的三乙酰肌苷;与现制的Vilsmeier试剂进行氯代反应制备得到氯代三乙酰肌苷,与氨-甲醇溶液在加压下进行氨解,同CN1406946A一样,该发明中的关键中间体氯代三乙酰肌苷为油状化合物,难以进一步分离纯化,质控困难,并且该化合物在在氨解过程中产生大量的杂质,终产品难以提纯。
发明内容
本发明的目的在于提供一种腺苷原料药新的制备方法,以克服现有技术产品纯度低,质量控制难,生产操作繁琐,安全性低等缺点。
本发明所述的腺苷原料药的制备方法为:第一步,通过将肌苷(记为化合物Ⅰ)与叔丁基二苯基氯硅烷在催化剂存在的条件下反应,产物纯化后即得9-(((2R,3R,4R,5R)-3,4-双((叔丁基二苯基甲硅烷基)氧基)-5-((((叔丁基二苯基甲硅烷基)氧基)甲基)四氢呋喃-2-基)-9H-嘌呤-6-醇,记为化合物Ⅱ;第二步,化合物Ⅱ与vilsmeier试剂反应,产物纯化后即得9-(((2R,3R,4R,5R)-3,4-双((叔丁基二苯基甲硅烷基)氧基)-5-((((叔丁基二苯基甲硅烷基)氧基)甲基)四氢呋喃-2-基)-6-氯-9H-嘌呤,记为化合物Ⅲ;第三步,化合物Ⅲ经氨解脱保护,精制后得最终产品腺苷;
上述制备腺苷原料药的反应式为:
所述第一步中叔丁基二苯基氯硅烷与肌苷的摩尔比为3.2-6.4,优选3.7-4.3。
所述第一步的反应溶剂为二氯甲烷,反应温度为10-40℃,优选为30℃至40℃。
所述第一步的催化剂为锌粉和氯化锌;锌粉与肌苷的摩尔比为1.1;氯化锌与肌苷的摩尔比为0.01。
所述第一步的纯化溶剂为丙酮,丙酮与肌苷的比例为10-15mL/g。
所述第二步的vilsmeier试剂是由摩尔比为1:1的N,N-二甲基甲酰胺与氯化亚砜反应制得。
所述第二步的反应溶剂为二氯甲烷、三氯甲烷,优选二氯甲烷。
所述第二步的反应温度为10-40℃,优选30-40℃。
所述第二步的纯化溶剂为体积比5:1的异丙醇与正己烷的混合溶剂。
所述第三步的氨解试剂为氨水溶液。
所述第三步的反应温度为80-150℃,优选120-130℃。
所述第三步的精制溶剂为水。
本发明的有益效果是:本发明通过采用大分子量并耐酸、耐碱的羟基保护基叔丁基二苯基氯硅烷使化合物Ⅱ、化合物Ⅲ皆以固体的形式存在,有利于进一步纯化,提高了化合物Ⅱ、化合物Ⅲ的纯度,同时也提高了反应过程中各中间体的稳定性,加强了对工艺质量控制。
同时本发明采用锌粉与氯化锌按比例混合后作为第一步羟基保护反应的催化剂,提高了叔丁基二苯基氯硅烷的反应活性。氯化锌与叔丁基二苯基氯硅烷形成亲电性过渡态,从而提高了叔丁基二苯基氯硅烷的活性,同时反应生成的亲电性过渡态与肌苷反应生成的氯化氢再与锌粉反应,生成氯化锌。催化剂的使用进一步的克服了位阻型羟基保护剂叔丁基二苯基氯硅烷与肌苷反应位阻大,反应时间长,收率低的问题。
具体实施方式:
下面通过实施例对本发明作进一步说明,但实施例并不限制本发明的保护范围。
实施例1:
1):化合物(Ⅱ)的制备
反应式:
操作步骤:
将20g化合物(Ⅰ)投入500m单口反应瓶中,加入200mL二氯甲烷搅拌,再加入5.36g锌粉与0.1g氯化锌,另将74g叔丁基二苯基氯硅烷缓慢滴入反应瓶中,30℃至40℃搅拌反应3小时,反应液水洗分层,有机相减压蒸干后加入200mL丙酮并升温至50℃搅拌1小时,降温至0℃析晶2小时,过滤,干燥得化合物(Ⅱ)68.52g,收率94.7%,HPLC检测纯度为99.97%。
2):化合物(Ⅲ)的制备
反应式:
操作步骤:
在500ml反应瓶中分别加入二氯甲烷200ml,N,N-二甲基甲酰胺13.6ml,搅拌下维持20℃至30℃,0.5小时内滴入氯化亚砜155ml,搅拌反应1小时,加入化合物(Ⅱ)50g,30℃至40℃条件下反应8小时,反应液冷却,加入饱和碳酸氢钠溶液,分出有机层,水相用二氯甲烷萃取,合并有机层,减压蒸干后加入150ml异丙醇溶液,搅拌溶清,向溶液中缓慢滴加30ml正己烷溶剂,室温搅拌析晶2小时,过滤,干燥后得化合物(Ⅲ)47.65g,收率92.3%,HPLC检测纯度为99.95%。
3):化合物(Ⅳ)的制备
反应式:
操作步骤:
化合物(Ⅲ)40g与15wt%的氨水溶液400ml放入压力反应器中,控制反应温度120℃至130℃,氨解24小时,冷却,过滤,滤饼加400ml水并加热至回流,趁热过滤,滤液加1g活性炭继续加热回流1小时,趁热过滤,滤液冷却至15℃至30℃,析晶2小时,干燥后得白色粉末状腺苷9.31g,产率87.2%,HPLC纯度99.99%。
Claims (9)
1.一种腺苷原料药的制备方法,其特征在于,所述的制备方法的具体步骤为:第一步,通过将肌苷(记为化合物Ⅰ)与叔丁基二苯基氯硅烷在催化剂存在的条件下反应,产物纯化后即得9-(((2R,3R,4R,5R)-3,4-双((叔丁基二苯基甲硅烷基)氧基)-5-((((叔丁基二苯基甲硅烷基)氧基)甲基)四氢呋喃-2-基)-9H-嘌呤-6-醇,记为化合物Ⅱ;第二步,化合物Ⅱ与vilsmeier试剂反应,产物纯化后即得9-(((2R,3R,4R,5R)-3,4-双((叔丁基二苯基甲硅烷基)氧基)-5-((((叔丁基二苯基甲硅烷基)氧基)甲基)四氢呋喃-2-基)-6-氯-9H-嘌呤,记为化合物Ⅲ;第三步,化合物Ⅲ经氨解脱保护,精制后得最终产品腺苷;
上述制备腺苷原料药的反应式为:
2.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第一步中叔丁基二苯基氯硅烷与肌苷的摩尔比为3.2-6.4,优选3.7-4.3;所述第一步的反应溶剂为二氯甲烷,反应温度为10-40℃,优选为30℃至40℃。
3.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第一步的催化剂为锌粉和氯化锌;锌粉与肌苷的摩尔比为1.1;氯化锌与肌苷的摩尔比为0.01。
4.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第一步的纯化溶剂为丙酮,丙酮与肌苷的比例为10-15mL/g。
5.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第二步的vilsmeier试剂是由摩尔比为1:1的N,N-二甲基甲酰胺与氯化亚砜反应制得。
6.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第二步的反应溶剂为二氯甲烷、三氯甲烷,优选二氯甲烷;所述第二步的反应温度为10-40℃,优选30-40℃。
7.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第二步的纯化溶剂为体积比5:1的异丙醇与正己烷的混合溶剂。
8.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第三步的氨解试剂为氨水溶液;反应温度为80-150℃,优选120-130℃。
9.根据权利要求1所述的腺苷原料药的制备方法,其特征在于,所述第三步的精制溶剂为水。
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