EA009047B1 - Способы получения алкалоидов хиназолина - Google Patents
Способы получения алкалоидов хиназолина Download PDFInfo
- Publication number
- EA009047B1 EA009047B1 EA200501135A EA200501135A EA009047B1 EA 009047 B1 EA009047 B1 EA 009047B1 EA 200501135 A EA200501135 A EA 200501135A EA 200501135 A EA200501135 A EA 200501135A EA 009047 B1 EA009047 B1 EA 009047B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- compound
- iii
- temperature
- salt
- crystallization
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 71
- 229930002339 quinazoline alkaloid Natural products 0.000 title description 4
- 125000002294 quinazolinyl group Chemical class N1=C(N=CC2=CC=CC=C12)* 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 68
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims abstract description 26
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- 238000006722 reduction reaction Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000002425 crystallisation Methods 0.000 claims description 24
- 230000008025 crystallization Effects 0.000 claims description 21
- 239000011541 reaction mixture Substances 0.000 claims description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- 239000002585 base Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 229960000583 acetic acid Drugs 0.000 claims description 8
- 239000012362 glacial acetic acid Substances 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 3
- 239000012458 free base Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- VARHXCYGZKSOOO-UHFFFAOYSA-N Deoxyvasicinone Natural products C1=CC=C2C(=O)N(CCC3)C3=NC2=C1 VARHXCYGZKSOOO-UHFFFAOYSA-N 0.000 description 54
- WUFQLZTXIWKION-UHFFFAOYSA-N Deoxypeganine Chemical compound C1C2=CC=CC=C2N=C2N1CCC2 WUFQLZTXIWKION-UHFFFAOYSA-N 0.000 description 37
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 150000008064 anhydrides Chemical class 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000006214 Clemmensen reduction reaction Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 238000005292 vacuum distillation Methods 0.000 description 4
- KTCXMTWSISEJFZ-UHFFFAOYSA-N 2,3,4,9-tetrahydro-1h-pyrrolo[2,1-b]quinazolin-10-ium;chloride Chemical compound Cl.C1C2=CC=CC=C2N=C2N1CCC2 KTCXMTWSISEJFZ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 150000003246 quinazolines Chemical class 0.000 description 3
- 238000007363 ring formation reaction Methods 0.000 description 3
- 239000012047 saturated solution Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 2
- 206010013663 drug dependence Diseases 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- -1 phenoxyl group Chemical group 0.000 description 2
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 208000011117 substance-related disease Diseases 0.000 description 2
- YIICVSCAKJMMDJ-JTQLQIEISA-N (3s)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-3-ol Chemical compound C1=CC=C2N=C3[C@@H](O)CCN3CC2=C1 YIICVSCAKJMMDJ-JTQLQIEISA-N 0.000 description 1
- SYLRFDTUTMLVNM-UHFFFAOYSA-N 4-phenoxybutanoyl chloride Chemical compound ClC(=O)CCCOC1=CC=CC=C1 SYLRFDTUTMLVNM-UHFFFAOYSA-N 0.000 description 1
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- KLHYPYAETJWSBK-UHFFFAOYSA-J Cl[Zn](Cl)(Cl)Cl Chemical compound Cl[Zn](Cl)(Cl)Cl KLHYPYAETJWSBK-UHFFFAOYSA-J 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102000010909 Monoamine Oxidase Human genes 0.000 description 1
- 108010062431 Monoamine oxidase Proteins 0.000 description 1
- 206010057852 Nicotine dependence Diseases 0.000 description 1
- 235000005126 Peganum harmala Nutrition 0.000 description 1
- 240000005523 Peganum harmala Species 0.000 description 1
- 208000025569 Tobacco Use disease Diseases 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 239000000544 cholinesterase inhibitor Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical group OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000007040 multi-step synthesis reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- RWRDLPDLKQPQOW-UHFFFAOYSA-N tetrahydropyrrole Substances C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 1
- 229940126585 therapeutic drug Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
- A61P25/34—Tobacco-abuse
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
- A61P25/36—Opioid-abuse
Landscapes
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Addiction (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Psychiatry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Hospice & Palliative Care (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10304141A DE10304141B4 (de) | 2003-02-03 | 2003-02-03 | Verfahren zur Herstellung von Chinazolin-Alkaloiden |
| PCT/EP2004/000485 WO2004069836A1 (de) | 2003-02-03 | 2004-01-22 | Verfahren zur herstellung von chinazolin-alkaloiden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA200501135A1 EA200501135A1 (ru) | 2006-02-24 |
| EA009047B1 true EA009047B1 (ru) | 2007-10-26 |
Family
ID=32747532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA200501135A EA009047B1 (ru) | 2003-02-03 | 2004-01-22 | Способы получения алкалоидов хиназолина |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US7495096B2 (https=) |
| EP (1) | EP1590351B1 (https=) |
| JP (1) | JP2006516578A (https=) |
| KR (1) | KR20050096165A (https=) |
| CN (1) | CN100558727C (https=) |
| AR (1) | AR042946A1 (https=) |
| AT (1) | ATE407135T1 (https=) |
| AU (1) | AU2004208873B2 (https=) |
| BR (1) | BRPI0407012A (https=) |
| CA (1) | CA2514945A1 (https=) |
| DE (2) | DE10304141B4 (https=) |
| DK (1) | DK1590351T3 (https=) |
| EA (1) | EA009047B1 (https=) |
| ES (1) | ES2314366T3 (https=) |
| MX (1) | MXPA05008179A (https=) |
| MY (1) | MY141734A (https=) |
| NO (1) | NO20053689L (https=) |
| NZ (1) | NZ541101A (https=) |
| PL (1) | PL378406A1 (https=) |
| PT (1) | PT1590351E (https=) |
| SI (1) | SI1590351T1 (https=) |
| TW (1) | TW200418811A (https=) |
| UA (1) | UA81287C2 (https=) |
| WO (1) | WO2004069836A1 (https=) |
| ZA (1) | ZA200505160B (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004048927A1 (de) * | 2004-10-06 | 2006-04-20 | Lts Lohmann Therapie-Systeme Ag | Pharmazeutische Kombination enthaltend Desoxypeganin und Cyp2D6 Inhibitoren |
| EP3661502A4 (en) | 2017-08-03 | 2020-12-02 | Galectin Sciences, LLC | COMPOUNDS FOR THE PREVENTION AND TREATMENT OF MEDICAL CONDITIONS AND THEIR USES |
| KR102728780B1 (ko) * | 2021-11-30 | 2024-11-08 | 이화여자대학교 산학협력단 | 데옥시바시시논을 유효성분으로 포함하는 미백용 조성물 및 상기 데옥시바시시논 제조방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU605614A1 (ru) * | 1971-10-20 | 1978-05-05 | Ордена Трудового Красного Знамени Институт Химии Растительных Веществ Ан Узбекской Сср | Антихолинэстеразное средство |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3180464B2 (ja) * | 1991-08-30 | 2001-06-25 | 新日本理化株式会社 | ジアセタール化合物の製造方法 |
| DE19530606A1 (de) * | 1995-08-21 | 1997-02-27 | Basf Ag | 1-(Pyridyl)-pyrazole |
| JP3958452B2 (ja) * | 1997-10-31 | 2007-08-15 | 大日精化工業株式会社 | 新規化学発光試薬及びその製造方法 |
| DE19906975B4 (de) | 1999-02-19 | 2004-04-15 | Lts Lohmann Therapie-Systeme Ag | Arzneiform zur Behandlung von Alzheimer'scher Demenz |
| DE19906979B4 (de) | 1999-02-19 | 2004-07-08 | Lts Lohmann Therapie-Systeme Ag | Verwendung von Desoxypeganin zur Behandlung der Nikotinabhängigkeit |
| DE19906978B4 (de) | 1999-02-19 | 2004-07-08 | Lts Lohmann Therapie-Systeme Ag | Pharmazeutische Zusammensetzung enthaltend Desoxypeganin zur Behandlung der Drogenabhängigkeit |
-
2003
- 2003-02-03 DE DE10304141A patent/DE10304141B4/de not_active Expired - Fee Related
-
2004
- 2004-01-22 DK DK04704202T patent/DK1590351T3/da active
- 2004-01-22 DE DE502004007980T patent/DE502004007980D1/de not_active Expired - Lifetime
- 2004-01-22 EA EA200501135A patent/EA009047B1/ru not_active IP Right Cessation
- 2004-01-22 AT AT04704202T patent/ATE407135T1/de active
- 2004-01-22 KR KR1020057013954A patent/KR20050096165A/ko not_active Ceased
- 2004-01-22 AU AU2004208873A patent/AU2004208873B2/en not_active Ceased
- 2004-01-22 WO PCT/EP2004/000485 patent/WO2004069836A1/de not_active Ceased
- 2004-01-22 US US10/544,265 patent/US7495096B2/en not_active Expired - Fee Related
- 2004-01-22 CN CNB2004800034182A patent/CN100558727C/zh not_active Expired - Fee Related
- 2004-01-22 ES ES04704202T patent/ES2314366T3/es not_active Expired - Lifetime
- 2004-01-22 NZ NZ541101A patent/NZ541101A/en not_active IP Right Cessation
- 2004-01-22 PL PL378406A patent/PL378406A1/pl not_active Application Discontinuation
- 2004-01-22 BR BR0407012-7A patent/BRPI0407012A/pt not_active Application Discontinuation
- 2004-01-22 JP JP2006501573A patent/JP2006516578A/ja active Pending
- 2004-01-22 EP EP04704202A patent/EP1590351B1/de not_active Expired - Lifetime
- 2004-01-22 CA CA002514945A patent/CA2514945A1/en not_active Abandoned
- 2004-01-22 MX MXPA05008179A patent/MXPA05008179A/es active IP Right Grant
- 2004-01-22 SI SI200430943T patent/SI1590351T1/sl unknown
- 2004-01-22 UA UAA200507716A patent/UA81287C2/uk unknown
- 2004-01-22 PT PT04704202T patent/PT1590351E/pt unknown
- 2004-01-28 AR ARP040100246A patent/AR042946A1/es unknown
- 2004-01-30 MY MYPI20040294A patent/MY141734A/en unknown
- 2004-02-02 TW TW093102290A patent/TW200418811A/zh unknown
-
2005
- 2005-06-24 ZA ZA200505160A patent/ZA200505160B/en unknown
- 2005-07-29 NO NO20053689A patent/NO20053689L/no not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU605614A1 (ru) * | 1971-10-20 | 1978-05-05 | Ордена Трудового Красного Знамени Институт Химии Растительных Веществ Ан Узбекской Сср | Антихолинэстеразное средство |
Non-Patent Citations (9)
Also Published As
| Publication number | Publication date |
|---|---|
| PL378406A1 (pl) | 2006-04-03 |
| MXPA05008179A (es) | 2006-02-17 |
| MY141734A (en) | 2010-06-15 |
| AU2004208873B2 (en) | 2009-12-17 |
| HK1075898A1 (zh) | 2005-12-30 |
| DE502004007980D1 (de) | 2008-10-16 |
| ZA200505160B (en) | 2007-01-31 |
| CA2514945A1 (en) | 2004-08-19 |
| US7495096B2 (en) | 2009-02-24 |
| KR20050096165A (ko) | 2005-10-05 |
| UA81287C2 (en) | 2007-12-25 |
| EP1590351B1 (de) | 2008-09-03 |
| EA200501135A1 (ru) | 2006-02-24 |
| ES2314366T3 (es) | 2009-03-16 |
| AU2004208873A1 (en) | 2004-08-19 |
| WO2004069836A1 (de) | 2004-08-19 |
| US20060084669A1 (en) | 2006-04-20 |
| BRPI0407012A (pt) | 2006-01-10 |
| DK1590351T3 (da) | 2008-12-15 |
| PT1590351E (pt) | 2008-11-21 |
| DE10304141B4 (de) | 2006-03-09 |
| CN100558727C (zh) | 2009-11-11 |
| JP2006516578A (ja) | 2006-07-06 |
| AR042946A1 (es) | 2005-07-06 |
| TW200418811A (en) | 2004-10-01 |
| DE10304141A1 (de) | 2004-08-26 |
| EP1590351A1 (de) | 2005-11-02 |
| NZ541101A (en) | 2009-03-31 |
| SI1590351T1 (sl) | 2009-02-28 |
| ATE407135T1 (de) | 2008-09-15 |
| NO20053689L (no) | 2005-07-29 |
| CN1745084A (zh) | 2006-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4172074A (en) | Preparation of an antidepressant | |
| US4267347A (en) | Method for direct preparation for 1,2,4-triazole from hydrazine and formamide | |
| EA009047B1 (ru) | Способы получения алкалоидов хиназолина | |
| CA2465686C (en) | Process for the preparation of 4-(8-chloro-5,6-dihydro-11h-benzo(5,6)-cyclohepta-(1,2b)-pyridin-11-ylidene)-1-piperidinecarboxylic acid ethyl ester (loratadine) | |
| JP2001278867A (ja) | 環式酸の製造 | |
| KR880002627B1 (ko) | 4(3h)-퀴나졸리논의 제조방법 | |
| KR100809159B1 (ko) | 로사탄의 개선된 제조방법 | |
| AU2002340487A1 (en) | Process for the preparation of 4-(8-chloro-5,6-dihydro-11H-benzo(5,6)-cyclohepta-(1,2b)-pyridin-11-ylidene)-1-piperidinecarboxylic acid ethyl ester (loratadine) | |
| CN115572747B (zh) | 托匹司他的制备方法 | |
| JPH01186838A (ja) | 3−(4’−ブロモビフェニル)−4−フェニル酪酸の製造方法 | |
| KR100856133B1 (ko) | 아토르바스타틴의 개선된 제조방법 | |
| US4304918A (en) | Process for preparing benzoxazolyl propionic acid derivatives | |
| KR100486320B1 (ko) | 5,11-디히드로-6에이치-디벤즈[비,이]아제핀-6-온의제조방법 | |
| EP0169602A1 (en) | Preparation of n-substituted azetidine 3-carboxylic acid derivatives | |
| KR100699457B1 (ko) | 디벤조티에핀 유도체 및 그 중간체의 제조방법 | |
| JPH07267950A (ja) | 5−クロロ−n−(4,5−ジヒドロ−1h−イミダゾール−2−イル)−2,1,3−ベンゾチアジアゾール−4−アミン又はその酸付加塩の製造方法 | |
| HK1075898B (en) | Methods for producing quinazoline alkaloids | |
| JPS63145285A (ja) | 5−(2−クロロベンジル)−4,5,6,7−テトラヒドロチエノ〔3,2−c〕ピリジン又はその塩の製造方法 | |
| JP2000212136A (ja) | 1,3―ビス(アミノフェノキシベンゼン)の再結晶法 | |
| FR2575469A1 (fr) | N-imidazolylmethyl-diphenylazomethines, leur preparation et leur application en therapeutique | |
| JPS60243051A (ja) | d,d′‐2,2′‐(エチレンジイミノ)ジ‐1‐ブタノールを製造する方法 | |
| CN103833769A (zh) | (+)-生物素的制备方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ KZ KG MD TJ TM |
|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): BY RU |