CN104761523A - 含3-氧代葡萄糖结构的苯基c-葡萄糖苷衍生物、其制备方法和用途 - Google Patents
含3-氧代葡萄糖结构的苯基c-葡萄糖苷衍生物、其制备方法和用途 Download PDFInfo
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- CN104761523A CN104761523A CN201410008758.XA CN201410008758A CN104761523A CN 104761523 A CN104761523 A CN 104761523A CN 201410008758 A CN201410008758 A CN 201410008758A CN 104761523 A CN104761523 A CN 104761523A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 title abstract description 6
- 239000003814 drug Substances 0.000 claims abstract description 13
- 206010012601 diabetes mellitus Diseases 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 claims abstract description 4
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 41
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 16
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 9
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 8
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- KQIADDMXRMTWHZ-UHFFFAOYSA-N chloro-tri(propan-2-yl)silane Chemical compound CC(C)[Si](Cl)(C(C)C)C(C)C KQIADDMXRMTWHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000651 prodrug Substances 0.000 claims description 8
- 229940002612 prodrug Drugs 0.000 claims description 8
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 claims description 7
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical group [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000008194 pharmaceutical composition Substances 0.000 claims description 6
- BCNZYOJHNLTNEZ-UHFFFAOYSA-N tert-butyldimethylsilyl chloride Chemical compound CC(C)(C)[Si](C)(C)Cl BCNZYOJHNLTNEZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000006239 protecting group Chemical group 0.000 claims description 5
- FCSKOFQQCWLGMV-UHFFFAOYSA-N 5-{5-[2-chloro-4-(4,5-dihydro-1,3-oxazol-2-yl)phenoxy]pentyl}-3-methylisoxazole Chemical compound O1N=C(C)C=C1CCCCCOC1=CC=C(C=2OCCN=2)C=C1Cl FCSKOFQQCWLGMV-UHFFFAOYSA-N 0.000 claims description 4
- FKLJPTJMIBLJAV-UHFFFAOYSA-N Compound IV Chemical compound O1N=C(C)C=C1CCCCCCCOC1=CC=C(C=2OCCN=2)C=C1 FKLJPTJMIBLJAV-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 4
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- 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 description 4
- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 4
- 125000000025 triisopropylsilyl group Chemical group C(C)(C)[Si](C(C)C)(C(C)C)* 0.000 claims description 4
- HEVMDQBCAHEHDY-UHFFFAOYSA-N (Dimethoxymethyl)benzene Chemical compound COC(OC)C1=CC=CC=C1 HEVMDQBCAHEHDY-UHFFFAOYSA-N 0.000 claims description 3
- AOJFQRQNPXYVLM-UHFFFAOYSA-N pyridin-1-ium;chloride Chemical compound [Cl-].C1=CC=[NH+]C=C1 AOJFQRQNPXYVLM-UHFFFAOYSA-N 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 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 2
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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 2
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 238000001802 infusion Methods 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007910 chewable tablet Substances 0.000 claims 1
- 238000010511 deprotection reaction Methods 0.000 claims 1
- 239000002662 enteric coated tablet Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000006186 oral dosage form Substances 0.000 claims 1
- 239000006191 orally-disintegrating tablet Substances 0.000 claims 1
- DRTZAIDVOGUYSP-UHFFFAOYSA-N pyridin-1-ium;chloride;hydrochloride Chemical compound Cl.Cl.C1=CC=NC=C1 DRTZAIDVOGUYSP-UHFFFAOYSA-N 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 229940079593 drug Drugs 0.000 abstract description 10
- 239000003112 inhibitor Substances 0.000 abstract description 4
- 102000000070 Sodium-Glucose Transport Proteins Human genes 0.000 abstract 2
- 108010080361 Sodium-Glucose Transport Proteins Proteins 0.000 abstract 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 22
- 238000007873 sieving Methods 0.000 description 12
- 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 11
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 11
- 239000008103 glucose Substances 0.000 description 11
- 229960001031 glucose Drugs 0.000 description 11
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 8
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- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
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- 241000700159 Rattus Species 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
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Classifications
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- C—CHEMISTRY; METALLURGY
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
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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
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- 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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Abstract
本发明涉及与糖尿病相关的药物领域。具体而言,本发明涉及一类含3-氧代葡萄糖结构的苯基C-葡萄糖苷结构的2型钠葡萄糖共转运子(SGLT2)抑制剂、其制备方法、及含有它们的药物组合物以及它们在制备糖尿病药物中的应用。其中,R1选自H、F、Cl、Br、I、C1-C3的烷基、OR3和SR4;R2选自C1-C5的烷基和OR5;其中,R3-R5选自C1-C5的烷基。
Description
技术领域
本发明涉及与糖尿病相关的药物领域。具体而言,本发明涉及对糖尿病有治疗作用的含3-氧代葡萄糖结构的苯基C-葡萄糖苷结构的2型钠葡萄糖共转运子(SGLT2)抑制剂及其制备方法,以及含有它们的药物组合物。
背景技术
全球糖尿病患者目前大约有1.7亿左右,其中约绝大多数为II型(即非胰岛素依赖型)糖尿病患者。目前在临床使用的抗糖尿病药物主要有二甲双胍类、磺酰脲类、胰岛素类、噻唑烷二酮类、α-葡糖苷酶抑制剂类和二肽基肽酶-IV抑制剂类药物,这些药物具有良好的治疗效果,但长期治疗存在安全性问题,如:肝毒性,部分药物尚有体重增加等诸多问题。
2型钠葡萄糖共转运子(SGLT2)是近年来发现的治疗糖尿病的新靶点。SGLT2主要分布在肾脏近端小管,其作用是吸收尿中的葡萄糖,并将其返回到血液中,因此抑制SGLT2的就能够降低血液中葡萄糖浓度,这个方法从以往不同的途径降低了血糖水平。当SGLT2功能受阻时,尿液中将分泌更多的葡萄糖,这将有助于糖尿病患者保持正确的血糖水平。由于SGLT2抑制剂不介入葡萄糖代谢,它可以作为血糖控制主流方法的补充手段。
中国专利CN200610093189.9公开了下列结构的化合物作为SGLT2抑制剂:
其中,A为O,S,NH,(CH2)n,n=0-3。
中国专利CN200380110040.1公开了下列结构的化合物作为SGLT2抑制剂:
其中,A为共价键,O,S,NH,(CH2)n,n=1-3。
中国专利CN200480006761.2公开了下列结构的化合物作为SGLT2抑制剂:
其中,X为共价键或低级亚烷基。
本发明公开了一类含3-氧代葡萄糖结构的苯基C-葡萄糖苷类衍生物作为新型的SGLT2抑制剂,这些化合物可用于制备治疗糖尿病特别是2型糖尿病的药物。
发明内容
本发明的一个目的是克服现有技术的缺点和不足,提供一种具有良好活性,具有通式I的化合物及其药学上可以接受前药酯。
本发明的另一个目的是提供制备具有通式I的化合物及其药学上可以接受的前药酯的方法。
本发明的再一个目的是提供含有通式I的化合物及其药学上可以接受的前药酯作为有效成分,以及一种或多种药学上可接受的载体、赋形剂或稀释剂的药用组合物,及其在治疗糖尿病方面的应用。
现结合本发明的目的对本发明内容进行具体描述。
本发明具有通式(I)的化合物具有下述结构式:
其中,
R1选自H、F、Cl、Br、I、C1-C3的烷基、OR3和SR4;
R2选自C1-C5的烷基和OR5;
其中,R3-R5选自C1-C5的烷基。
优选以下通式(I)化合物,
其中,
R1选自F、Cl、Me、OMe和SMe;
R2选自C1-C3的烷基和OR5;
其中,R5选自C1-C3的烷基。
更优选通式(I)的化合物具有以下结构,
本发明所述通式(I)化合物通过以下路线合成:
化合物II在酸催化下使用苯甲醛或者苯甲醛二甲基缩醛处理得到化合物III,所述酸选自各种无机酸和有机酸,优选甲磺酸、樟脑磺酸、对甲苯磺酸和硫酸;化合物III使用保护基PG保护3-OH得到化合物IV,所述PG选自TBDMS(叔丁基二甲基硅基)、TBDPS(叔丁基二苯基硅基)和TIPS(三异丙基硅基),对应的试剂分别为TBDMSCl(叔丁基二甲基氯硅烷)、TBDPSCl(叔丁基二苯基氯硅烷)和TIPSCl(三异丙基氯硅烷);化合物IV使用在碱存在下用MeOCH2Cl处理得到化合物V,所述碱选自有机碱,优选三乙胺和二异丙基乙基胺;化合物V脱去保护基得到化合物VI,所使用的试剂选自TBAF、HF·吡啶、HF·三乙胺;化合物VI氧化得到化合物VII,氧化条件选自Ac2O/DMSO、(COCl)2/DMSO/Et3N、PCC(pyridinium chlorochromate)和PDC(pyridiniumdichromate),优选Ac2O/DMSO;化合物VII在酸存在下脱去保护基,得到化合物I,所述酸选自各种无机酸和有机酸,优选甲磺酸、樟脑磺酸、对甲苯磺酸和硫酸;其中,R1和R2的定义如前所述。
本发明所述式I化合物的药学上可接受的前药酯,包括分子中的任意一个或多个羟基与乙酰基、特戊酰基、各种磷酰基、氨基甲酰基、烷氧甲酰基等形成的酯。
本发明所述式I化合物,可以与一种或多种药学上可接受的载体、赋形剂或稀释剂共同制成药物组合物。该药物组合物可以制成固体口服制剂、液体口服制剂、注射剂等剂型。所述固体及液体口服制剂包括:片剂、分散片、糖衣剂、颗粒剂、干粉剂、胶囊剂和溶液剂。所述的注射剂包括:小针、大输液、冻干粉针等。
本发明的组合物,所述的药学或食品学上可接受辅料选自:填充剂、崩解剂、润滑剂、助流剂、泡腾剂、矫味剂、防腐剂、包衣材料、或其它赋形剂。
本发明的组合物,所述的药学或食品学上可接受辅料。填充剂为填充剂包括乳糖、蔗糖、糊精、淀粉、预胶化淀粉、甘露醇、山梨醇、磷酸氢钙、硫酸钙、碳酸钙、微晶纤维素的一种或几种的组合物;所述的粘合剂包括蔗糖、淀粉、聚维酮、羧甲基纤维素钠、羟丙甲纤维素、羟丙纤维素、甲基纤维素、聚乙二醇、药用乙醇、水的一种或几种的组合物;所述的崩解剂包括淀粉、交联聚微酮、交联羧甲基纤维素钠、低取代羟丙基纤维素、羧甲纤维素钠、泡腾崩解剂的一种或几种的组合物。
本发明所述通式I化合物具有SGLT2的抑制作用,可作为有效成分用于制备糖尿病方面的治疗药物。本发明所述通式I化合物的活性是通过尿糖模型验证的。
本发明的通式I化合物在相当宽的剂量范围内是有效的。例如每天服用的剂量约在1mg-1000mg/人范围内,分为一次或数次给药。实际服用本发明通式I化合物的剂量可由医生根据有关的情况来决定。这些情况包括:被治疗者的身体状态、给药途径、年龄、体重、对药物的个体反应,症状的严重程度等。
具体实施方式
下面结合实施例对本发明作进一步的说明。需要说明的是,下述实施例仅是用于说明,而并非用于限制本发明。本领域技术人员根据本发明的教导所做出的各种变化均应在本申请权利要求所要求的保护范围之内。
实施例1
1-[4-氯-3-(4-乙氧基苄基)苯基]-1-脱氧-3-氧代-β-D-吡喃葡萄糖(I-1)
A.
一只250mL的圆底烧瓶中加入20.44g(50mmol)化合物II-1、22.83g(150mmol)苯甲醛二甲基缩醛、3g樟脑磺酸(CSA)和120mL干燥的DMF,而后升温在60℃下搅拌过夜,TLC显示反应完成。
反应混合物冷却到室温后倾倒到400mL冰水中,搅拌,用200mL×3二氯甲烷萃取。合并有机相,依次用饱和NaHCO3溶液和食盐水洗涤,无水硫酸钠干燥,在旋转蒸发仪上蒸去溶剂,得到的残余物经过柱层析纯化,得到产物III-1。白色固体,182-183℃。产率83%。1H NMR(DMSO-d6,400MHz)δ:7.45-7.47(m,2H,Ar-H),7.36-7.40(m,4H,Ar-H),7.28(d,1H,J=1.6Hz,Ar-H),7.21(dd,1H,J=2.0Hz and8.4Hz,Ar-H),7.08(d,2H,J=8.8Hz,Ar-H),6.83(d,2H,J=8.4Hz,Ar-H),5.60(s,1H,PhCHO2),5.31(d,1H,J=3.6Hz,OH),5.13(d,1H,J=5.6Hz,OH),4.16-4.22(m,2H),3.94-3.99(m,4H),3.65-3.70(m,1H),3.50-3.51(m,3H),3.24-3.28(m,1H),1.29(t,3H,J=6.8Hz,OCH2CH3).
B.
一只250mL干燥的圆底烧瓶中加入19.88g(40mmol)化合物III-1、8.17g(120mmol)咪唑和140mL干燥的DMF,在冰水浴冷却下搅拌,慢慢滴加由6.63g(44mmol)叔丁基二甲基氯硅烷(TBDMSCl)溶于10mL干燥的二氯甲烷制备的溶液,滴加完毕后反应混合物在室温下搅拌过夜。TLC显示反应完成。
反应混合物倾倒到400mL冰水中,搅拌,用200mL×3二氯甲烷萃取。合并有机相,用食盐水洗涤,无水硫酸钠干燥,在旋转蒸发仪上蒸去溶剂,得到的残余物经过柱层析纯化,得到产物IV-1。白色泡沫状固体。产率92%。1H NMR(DMSO-d6,400MHz)δ:7.35-7.46(m,6H,Ar-H),7.29(s,1H,Ar-H),7.21-7.25(m,1H,Ar-H),7.09(d,2H,J=8.4Hz,Ar-H),6.83(d,2H,J=8.4Hz,Ar-H),5.62(s,1H,PhCHO2),5.09(d,1H,J=7.6Hz,OH),4.23(d,1H,J=9.6Hz,sugar H-1),4.16-4.20(m,1H),3.94-4.02(m,4H),3.70(q,2H,J=8.8Hz),3.48-3.58(m,2H),3.25-3.29(m,1H),1.29(t,3H,J=7.0Hz,OCH2CH3),0.81(s,9H,SiMe3),0.03(s,3H,SiMe),-0.01(s,3H,SiMe).
C.
一只250mL的圆底烧瓶中加入21.39g(35mmol)混合物IV-1、11.27g(140mmol)CH3OCH2Cl、45.23g(350mmol)二异丙基乙基胺(DIPEA)和150mL干燥的二氯甲烷,反应混合物搅拌下回流过夜,TLC检测反应完成。
反应混合物冷却到室温后用100mL二氯甲烷稀释,一次用100mL饱和食盐水、200mL5%的稀盐酸和饱和食盐水洗涤,无水硫酸钠干燥,在旋转蒸发仪上蒸去溶剂,得到的残余物经过柱层析纯化,得到产物V-1。白色泡沫状固体。产率75%。1H NMR(DMSO-d6,400MHz)δ:7.40-7.44(m,3H),7.36-7.38(m,3H),7.33(d,1H,J=2.0Hz),7.29(dd,1H,J=1.8Hz and8.2Hz),7.09(d,2H,J=8.8Hz),6.82(d,2H,J=8.4Hz),5.60(s,1H),4.50(d,1H,J=6.4Hz),4.37(d,1H,J=9.6Hz),4.25(d,1H,J=6.0Hz),4.16(dd,1H,J=4.2Hz and10.2Hz),3.91-3.99(m,5H),3.67(t,1H,J=9.8Hz),3.54-3.64(m,3H),2.38(s,3H),1.28(t,3H,J=7.0Hz),0.78(s,9H),-0.01(s,3H),-0.05(s,3H).
D.
一只250mL的圆底烧瓶中加入13.11g(20mmol)混合物V-1和100mL干燥的THF,而后在室温下搅拌,加入40mL(40mmol)1M的四正丁基氟化铵(TBAF)的THF溶液,滴加完毕后室温下搅拌6小时,TLC显示反应完成。
反应混合物倾倒到400mL冰水中,搅拌,用150mL×3二氯甲烷萃取。合并有机相,用食盐水洗涤,无水硫酸钠干燥,在旋转蒸发仪上蒸去溶剂,得到的残余物经过柱层析纯化,得到产物VI-1。白色泡沫状固体。产率90%。1H NMR(DMSO-d6,400MHz)δ:7.36-7.47(m,6H),7.31(s,1H),7.25(d,1H,J=8.4Hz),7.08(d,2H,J=8.4Hz),6.82(d,2H,J=8.4Hz),5.60(s,1H),5.50(d,1H,J=5.2Hz),4.59(d,1H,J=6.4Hz),4.32(d,1H,J=9.6Hz),4.14-4.19(m,2H),3.94-4.03(m,4H),3.65-3.73(m,2H),3.47-3.58(m,3H),2.55(s,3H),1.29(t,3H,J=7.0Hz).
E.
一只100mL的圆底烧瓶中加入8.12g(15mmol)化合物VI-1和50mLDMSO,冰水浴冷却下搅拌,慢慢滴加20mL Ac2O,滴加完毕后反应混合物在室温下继续搅拌过夜,TLC检查反应完成。
反应混合物倾倒到300mL冰水中,搅拌,用100mL×3二氯甲烷萃取。合并有机相,依次用饱和NaHCO3溶液和用食盐水洗涤,无水硫酸钠干燥,在旋转蒸发仪上蒸去溶剂,得到的残余物经过柱层析纯化,得到产物VII-1。白色泡沫状固体。产率83%。1H NMR(DMSO-d6,400MHz)δ:7.32-7.47(m,8H),7.05(d,2H,J=8.4Hz),6.80(d,2H,J=8.8Hz),5.68(s,1H),4.74(d,1H,J=10.0Hz),4.62(d,1H,J=9.6Hz),4.48(d,1H,J=10.4Hz),4.44(d,1H,J=6.8Hz),4.31(dd,1H,J=4.2Hz and9.4Hz),4.25(d,1H,J=6.4Hz),3.98(s,2H),3.93(q,2H,J=7.1Hz),3.86(t,1H,J=9.8Hz),3.81(dd,1H,J=4.2Hz and9.8Hz),2.58(s,3H),1.26(t,3H,J=6.8Hz).
F.
一只100mL的圆底烧瓶中加入5.39g(10mmol)化合物VII-1和35mL甲醇,室温下搅拌,加入1g CSA,而后在60℃下搅拌过夜,TLC检查反应完成。
反应混合物冷却到室温后倾倒到300mL冰水中,搅拌,用100mL×3二氯甲烷萃取。合并有机相,依次用饱和NaHCO3溶液和用食盐水洗涤,无水硫酸钠干燥,在旋转蒸发仪上蒸去溶剂,得到的残余物经过柱层析纯化,得到产物I-1。白色泡沫状固体。产率80%。1H NMR(DMSO-d6,400MHz)δ:7.41-7.43(m,2H),7.33(dd,1H,J=1.8Hz and8.2Hz),7.08(d,2H,J=8.4Hz),6.82(d,1H,J=8.8Hz),5.38(d,1H,J=6.0Hz),5.32(d,1H,J=6.0Hz),4.76(t,1H,J=6.0Hz),4.12-4.24(m,3H),3.93-3.99(m,4H),3.74(dd,1H,J=5.4Hz and10.6Hz),3.56-3.61(m,1H),3.40(dd,1H,J=3.2Hz and10.0Hz),1.28(t,3H,J=6.8Hz).13CNMR(DMSO-d6,100MHz)δ:207.37,156.89,138.60,138.04,132.50,131.05,130.64,129.47,128.88,127.18,114.28,83.01,82.57,76.80,72.57,62.85,61.13,37.65,14.63.
实施例2-9
参照实施例1的操作步骤,制备了下列化合物。
实施例10
将活性成分、预胶化淀粉和微晶纤维素过筛,充分混合,加入聚乙烯吡咯烷酮溶液,混合,制软材,过筛,制湿颗粒,于50-60℃干燥,将羧甲基淀粉钠盐,硬脂酸镁和滑石粉预先过筛,然后加入到上述的颗粒中压片。
实施例11
将活性成分、预胶化淀粉和微晶纤维素过筛,充分混合,加入聚乙烯吡咯烷酮溶液,混合,制软材,过筛,制湿颗粒,于50-60℃干燥,将羧甲基淀粉钠盐,硬脂酸镁和滑石粉预先过筛,然后加入到上述的颗粒中压片。
实施例12
将活性成分、预胶化淀粉和微晶纤维素过筛,充分混合,加入聚乙烯吡咯烷酮溶液,混合,制软材,过筛,制湿颗粒,于50-60℃干燥,将硬脂酸镁和滑石粉预先过筛,然后加入到上述的颗粒中,装胶囊,即得。
实施例13
将活性成分、预胶化淀粉和微晶纤维素过筛,充分混合,加入聚乙烯吡咯烷酮溶液,混合,制软材,过筛,制湿颗粒,于50-60℃干燥,将硬脂酸镁和滑石粉预先过筛,然后加入到上述的颗粒中,装胶囊,即得。
实施例14
在蒸馏水中,先加入蒸馏水和柠檬酸,搅拌溶解和后,再加入样品,微热使溶解,调pH值为4.0-5.0,加0.2克活性碳,室温下搅拌20分钟,过滤,滤液,中控测定溶液浓度,按每安瓶5毫升分装,高温灭菌30分钟,即得注射液。
实施例15
在蒸馏水中,先加入蒸馏水和柠檬酸,搅拌溶解和后,再加入样品,微热使溶解,调pH值为4.0-5.0,加0.2克活性碳,室温下搅拌20分钟,过滤,滤液,中控测定溶液浓度,按每安瓶5毫升分装,高温灭菌30分钟,即得注射液。
实施例16
制备工艺:取注射用水80ml,加主药、甘露醇、乳糖、泊洛沙姆搅拌使溶解后,加1mol/L的枸橼酸调节PH至7.0-9.0,补加水至100ml。加入0.5g活性炭,在30℃下搅拌20分钟,脱炭,采用微孔滤膜过滤除菌,滤液按每支1ml进行分装,预冻2小时后,冷冻下减压干燥12小时,至样品温度到室温后,再干燥5小时,制得白色疏松块状物,封口即得。
实施例17
制备工艺:将主药与辅料分别过100目筛,充分混合,然后称取处方量辅料与主药充分混合。再加入粘合剂制软材,14目筛制粒,55℃干燥,12目筛整粒,测定袋重包装。
实施例18
正常SD大鼠高脂高糖喂养一个月后,体重在200-220g/只之间,用链佐霉素小剂量(10mg/kg×3)多次腹腔注射造模(2型糖尿病模型),测定造模前后血糖含量(>15mmol/L为合格)。造模成功后将造模大鼠按照24小时尿糖量和体重随机分组(5只/组),分别为一组空白组(给予等体积0.5%CMC钠溶液)和若干待测化合物组(15mg/kg)。各组大鼠实验前禁食16小时。灌胃给予实验大鼠待测化合物0.5h后,再灌胃给予葡萄糖(4g/kg)。收集给药后0-12h时间段的尿液,用葡萄糖氧化酶法测定各时间段的尿糖值。结果见下表。
从上述结果可以看出,本发明公开的化合物具有很好的诱导尿糖作用,可以用于制备治疗2型糖尿病的药物。
Claims (8)
1.具有通式(I)结构的化合物及其药学上可以接受的前药酯,
其中,
R1选自H、F、Cl、Br、I、C1-C3的烷基、OR3和SR4;
R2选自C1-C5的烷基和OR5;
其中,R3-R5选自C1-C5的烷基。
2.权利要求1所定义的具有通式(I)的化合物及其药学上可以接受的前药酯,
其中,
R1选自F、Cl、Me、OMe和SMe;
R2选自C1-C3的烷基和OR5;
其中,R5选自C1-C3的烷基。
3.权利要求2所定义的通式I化合物,选自下列化合物,
4.合成权利要求1-3任一所定义的属于通式(I)的化合物的方法:
化合物II在酸催化下使用苯甲醛或者苯甲醛二甲基缩醛处理得到化合物III,所述酸选自甲磺酸、樟脑磺酸、对甲苯磺酸和硫酸;化合物III使用保护基PG保护3-OH得到化合物IV,所述PG选自TBDMS(叔丁基二甲基硅基)、TBDPS(叔丁基二苯基硅基)和TIPS(三异丙基硅基),对应的试剂分别为TBDMSCl(叔丁基二甲基氯硅烷)、TBDPSCl(叔丁基二苯基氯硅烷)和TIPSCl(三异丙基氯硅烷);化合物IV使用在碱存在下用MeOCH2Cl处理得到化合物V,所述碱选自三乙胺和二异丙基乙基胺;化合物V脱去保护基得到化合物VI,所使用的试剂选自TBAF、HF·吡啶、HF·三乙胺;化合物VI氧化得到化合物VII,氧化条件选自Ac2O/DMSO、(COCl)2/DMSO/Et3N、PCC(pyridinium chlorochromate)和PDC(pyridinium dichromate);化合物VII在酸存在下脱去保护基,得到化合物I,所述酸选自甲磺酸、樟脑磺酸、对甲苯磺酸和硫酸;其中,R1和R2的定义如权利要求1-3任一所述。
5.权利要求1-3任一项所定义的通式(I)化合物及其药学上可以接受的盐和前药酯在制备治疗糖尿病药物方面的应用。
6.一种药物组合物,含有权利要求1-3任一项的通式(I)化合物及其药学上可以接受的盐和前药酯,以及适当的载体或赋形剂。
7.权利要求6所述的药物组合物,其中,所述的组合物为固体口服制剂、液体口服制剂或注射剂。
8.权利要求7所述固体及液体口服制剂包括:分散片、肠溶片、咀嚼片、口崩片、胶囊、颗粒剂、口服溶液剂,所述注射剂制剂包括注射用水针、注射用冻干粉针、大输液、小输液。
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