SK283652B6 - Spôsob prípravy N,N,6-trimetyl-2-(4-metylfenyl)imidazo-[1,2- a]pyridín-3-acetamidu a jeho solí - Google Patents
Spôsob prípravy N,N,6-trimetyl-2-(4-metylfenyl)imidazo-[1,2- a]pyridín-3-acetamidu a jeho solí Download PDFInfo
- Publication number
- SK283652B6 SK283652B6 SK159-2001A SK1592001A SK283652B6 SK 283652 B6 SK283652 B6 SK 283652B6 SK 1592001 A SK1592001 A SK 1592001A SK 283652 B6 SK283652 B6 SK 283652B6
- Authority
- SK
- Slovakia
- Prior art keywords
- formula
- methyl
- imidazo
- reaction
- pyridine
- Prior art date
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 6
- ZAFYATHCZYHLPB-UHFFFAOYSA-N zolpidem Chemical compound N1=C2C=CC(C)=CN2C(CC(=O)N(C)C)=C1C1=CC=C(C)C=C1 ZAFYATHCZYHLPB-UHFFFAOYSA-N 0.000 title claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 13
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims abstract description 10
- -1 imine salt Chemical class 0.000 claims abstract description 9
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000002148 esters Chemical class 0.000 claims abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 238000011065 in-situ storage Methods 0.000 claims abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 8
- KFKXSMSQHIOMSO-UHFFFAOYSA-N methyl 2-oxoacetate Chemical compound COC(=O)C=O KFKXSMSQHIOMSO-UHFFFAOYSA-N 0.000 claims description 7
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims description 4
- AWEWSJJCANQFRB-UHFFFAOYSA-N 6-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine Chemical compound C1=CC(C)=CC=C1C1=CN(C=C(C)C=C2)C2=N1 AWEWSJJCANQFRB-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 4
- CMBSSVKZOPZBKW-UHFFFAOYSA-N 5-methylpyridin-2-amine Chemical compound CC1=CC=C(N)N=C1 CMBSSVKZOPZBKW-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 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 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 1
- 239000012458 free base Substances 0.000 claims 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims 1
- 239000000047 product Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- 239000007787 solid Substances 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000000543 intermediate Substances 0.000 description 8
- UTCSSFWDNNEEBH-UHFFFAOYSA-N imidazo[1,2-a]pyridine Chemical compound C1=CC=CC2=NC=CN21 UTCSSFWDNNEEBH-UHFFFAOYSA-N 0.000 description 7
- 239000000725 suspension Substances 0.000 description 6
- 238000004809 thin layer chromatography Methods 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- TYEYBOSBBBHJIV-UHFFFAOYSA-M 2-oxobutanoate Chemical compound CCC(=O)C([O-])=O TYEYBOSBBBHJIV-UHFFFAOYSA-M 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 229940040526 anhydrous sodium acetate Drugs 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003269 fluorescent indicator Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- LSTRKXWIZZZYAS-UHFFFAOYSA-N 2-bromoacetyl bromide Chemical compound BrCC(Br)=O LSTRKXWIZZZYAS-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000557626 Corvus corax Species 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 239000001358 L(+)-tartaric acid Substances 0.000 description 1
- 235000011002 L(+)-tartaric acid Nutrition 0.000 description 1
- FEWJPZIEWOKRBE-LWMBPPNESA-N L-(+)-Tartaric acid Natural products OC(=O)[C@@H](O)[C@H](O)C(O)=O FEWJPZIEWOKRBE-LWMBPPNESA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- ZXKINMCYCKHYFR-UHFFFAOYSA-N aminooxidanide Chemical compound [O-]N ZXKINMCYCKHYFR-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229940049706 benzodiazepine Drugs 0.000 description 1
- 125000003310 benzodiazepinyl group Chemical class N1N=C(C=CC2=C1C=CC=C2)* 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000147 hypnotic effect Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 208000019116 sleep disease Diseases 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES009801694A ES2151834B1 (es) | 1998-08-06 | 1998-08-06 | Procedimiento para preparar n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridina-3-acetamida y sus sales. |
| PCT/ES1999/000250 WO2000008021A2 (es) | 1998-08-06 | 1999-08-04 | Procedimiento para preparar n,n,6- trimetil-2- (4-metilfenil)- imidazo-[1,2-a] -piridina-3- acetamida y sus sales |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK1592001A3 SK1592001A3 (en) | 2001-12-03 |
| SK283652B6 true SK283652B6 (sk) | 2003-11-04 |
Family
ID=8304817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK159-2001A SK283652B6 (sk) | 1998-08-06 | 1999-08-04 | Spôsob prípravy N,N,6-trimetyl-2-(4-metylfenyl)imidazo-[1,2- a]pyridín-3-acetamidu a jeho solí |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US6407240B1 (cs) |
| EP (1) | EP1104765B2 (cs) |
| JP (1) | JP3544944B2 (cs) |
| KR (1) | KR100492054B1 (cs) |
| AT (1) | ATE234836T1 (cs) |
| AU (1) | AU750302B2 (cs) |
| CA (1) | CA2339594C (cs) |
| CZ (1) | CZ292446B6 (cs) |
| DE (1) | DE69906088T3 (cs) |
| DK (1) | DK1104765T4 (cs) |
| ES (2) | ES2151834B1 (cs) |
| HR (1) | HRP20010158B1 (cs) |
| HU (1) | HUP0102936A3 (cs) |
| IL (1) | IL141133A (cs) |
| IS (1) | IS5839A (cs) |
| NO (1) | NO319780B1 (cs) |
| NZ (1) | NZ510310A (cs) |
| PL (1) | PL195888B1 (cs) |
| PT (1) | PT1104765E (cs) |
| RS (1) | RS50103B (cs) |
| RU (1) | RU2221797C2 (cs) |
| SI (1) | SI1104765T2 (cs) |
| SK (1) | SK283652B6 (cs) |
| WO (1) | WO2000008021A2 (cs) |
| ZA (1) | ZA200101294B (cs) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2151834B1 (es) † | 1998-08-06 | 2001-08-16 | Sint Quimica Sa | Procedimiento para preparar n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridina-3-acetamida y sus sales. |
| DK1259509T3 (da) * | 1999-11-22 | 2006-01-16 | Egyt Gyogyszervegyeszeti Gyar | Fremgangsmåde til fremstilling af 6-methyl-2-(4-methylphenyl)-imidazol[1,2-a]pyridin-3-(N,N-dimethylacetamid) og mellemprodukter |
| IT1318624B1 (it) * | 2000-07-14 | 2003-08-27 | Dinamite Dipharma S P A In For | Processo per la preparazione di 2-fenil-imidazo (1,2-a)piridin-3-acetammidi. |
| US6596731B2 (en) | 2001-03-27 | 2003-07-22 | Hoffmann-La Roche Inc. | Substituted imidazo[1,2-A] pyridine derivatives |
| DE03764677T1 (de) * | 2002-07-15 | 2007-01-04 | Scinopharm Taiwan, Ltd. | Verfahren zur herstellung von imidazo(1,2-a)pyridin-3-acetamiden |
| CN100398539C (zh) | 2002-12-18 | 2008-07-02 | 马林克罗特公司 | 杂芳基乙酰胺的合成 |
| EP1809627B1 (en) * | 2004-06-22 | 2009-12-09 | Mallinckrodt, Inc. | Synthesis of heteroaryl acetamides from reaction mixtures having reduced water content |
| CA2624340A1 (en) * | 2005-10-03 | 2007-04-12 | Mallinckrodt Inc. | Process for preparing zolpidem hemitartrate and tartrate polymorphs |
| EP1803722A1 (en) | 2006-01-03 | 2007-07-04 | Ferrer Internacional, S.A. | Imidazo[1,2-a]pyridin-3-yl-acetic acid hydrazides, processes for their preparation and pharmaceutical uses thereof |
| US20080145425A1 (en) * | 2006-12-15 | 2008-06-19 | Pliva Research & Development Limited | Pharmaceutical composition of zolpidem |
| CN103360387B (zh) * | 2012-03-28 | 2016-12-14 | 江苏豪森药业集团有限公司 | 一种制备化合物唑吡坦的方法 |
| CN104610253B (zh) * | 2015-01-26 | 2016-11-16 | 郑州大学 | 2‑三氟甲基‑2‑羟基‑2‑(2‑芳基吡啶并[1,2‑α]咪唑)乙酸酯类化合物 |
| CN114105974A (zh) * | 2020-08-27 | 2022-03-01 | 鲁南制药集团股份有限公司 | 一种唑吡坦的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600650B1 (fr) * | 1986-06-27 | 1988-09-09 | Synthelabo | Procede de preparation d'imidazopyridines et composes intermediaires |
| ES2151834B1 (es) † | 1998-08-06 | 2001-08-16 | Sint Quimica Sa | Procedimiento para preparar n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridina-3-acetamida y sus sales. |
-
1998
- 1998-08-06 ES ES009801694A patent/ES2151834B1/es not_active Expired - Fee Related
-
1999
- 1999-08-04 NZ NZ510310A patent/NZ510310A/xx unknown
- 1999-08-04 CA CA002339594A patent/CA2339594C/en not_active Expired - Fee Related
- 1999-08-04 ES ES99938403T patent/ES2195598T5/es not_active Expired - Lifetime
- 1999-08-04 AT AT99938403T patent/ATE234836T1/de not_active IP Right Cessation
- 1999-08-04 IL IL14113399A patent/IL141133A/xx not_active IP Right Cessation
- 1999-08-04 US US09/762,205 patent/US6407240B1/en not_active Expired - Fee Related
- 1999-08-04 JP JP2000563654A patent/JP3544944B2/ja not_active Expired - Fee Related
- 1999-08-04 RS YUP-83/01A patent/RS50103B/sr unknown
- 1999-08-04 SK SK159-2001A patent/SK283652B6/sk not_active IP Right Cessation
- 1999-08-04 HR HR20010158A patent/HRP20010158B1/xx not_active IP Right Cessation
- 1999-08-04 HU HU0102936A patent/HUP0102936A3/hu unknown
- 1999-08-04 AU AU52912/99A patent/AU750302B2/en not_active Ceased
- 1999-08-04 EP EP99938403A patent/EP1104765B2/en not_active Expired - Lifetime
- 1999-08-04 KR KR10-2001-7001385A patent/KR100492054B1/ko not_active Expired - Fee Related
- 1999-08-04 DE DE69906088T patent/DE69906088T3/de not_active Expired - Lifetime
- 1999-08-04 RU RU2001106627/04A patent/RU2221797C2/ru not_active IP Right Cessation
- 1999-08-04 PL PL99346158A patent/PL195888B1/pl not_active IP Right Cessation
- 1999-08-04 CZ CZ2001360A patent/CZ292446B6/cs not_active IP Right Cessation
- 1999-08-04 WO PCT/ES1999/000250 patent/WO2000008021A2/es active IP Right Grant
- 1999-08-04 SI SI9930286T patent/SI1104765T2/sl unknown
- 1999-08-04 PT PT99938403T patent/PT1104765E/pt unknown
- 1999-08-04 DK DK99938403T patent/DK1104765T4/da active
-
2001
- 2001-02-05 NO NO20010613A patent/NO319780B1/no not_active IP Right Cessation
- 2001-02-05 IS IS5839A patent/IS5839A/is unknown
- 2001-02-15 ZA ZA200101294A patent/ZA200101294B/en unknown
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| Date | Code | Title | Description |
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| MM4A | Patent lapsed due to non-payment of maintenance fees |
Effective date: 20090804 |