FI119691B - Puriinien valmistus - Google Patents
Puriinien valmistus Download PDFInfo
- Publication number
- FI119691B FI119691B FI964193A FI964193A FI119691B FI 119691 B FI119691 B FI 119691B FI 964193 A FI964193 A FI 964193A FI 964193 A FI964193 A FI 964193A FI 119691 B FI119691 B FI 119691B
- Authority
- FI
- Finland
- Prior art keywords
- formula
- compound
- preparation
- amino
- alkyl
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title claims description 13
- 150000003212 purines Chemical class 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 18
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- GGXKWVWZWMLJEH-UHFFFAOYSA-N famcyclovir Chemical compound N1=C(N)N=C2N(CCC(COC(=O)C)COC(C)=O)C=NC2=C1 GGXKWVWZWMLJEH-UHFFFAOYSA-N 0.000 claims description 5
- JNTOCHDNEULJHD-UHFFFAOYSA-N Penciclovir Chemical compound N1C(N)=NC(=O)C2=C1N(CCC(CO)CO)C=N2 JNTOCHDNEULJHD-UHFFFAOYSA-N 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 229960004396 famciclovir Drugs 0.000 claims description 4
- 125000002252 acyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000006114 decarboxylation reaction Methods 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 claims description 2
- 125000006239 protecting group Chemical group 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- CBOIHMRHGLHBPB-UHFFFAOYSA-N hydroxymethyl Chemical compound O[CH2] CBOIHMRHGLHBPB-UHFFFAOYSA-N 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 6
- -1 4-hydroxy-3-hydroxymethyl-butyl-1-yl Chemical group 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- RYYIULNRIVUMTQ-UHFFFAOYSA-N 6-chloroguanine Chemical compound NC1=NC(Cl)=C2N=CNC2=N1 RYYIULNRIVUMTQ-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 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 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- MWBWWFOAEOYUST-UHFFFAOYSA-N 2-aminopurine Chemical compound NC1=NC=C2N=CNC2=N1 MWBWWFOAEOYUST-UHFFFAOYSA-N 0.000 description 1
- JBMBVWROWJGFMG-UHFFFAOYSA-N 2-chloro-7h-purine Chemical compound ClC1=NC=C2NC=NC2=N1 JBMBVWROWJGFMG-UHFFFAOYSA-N 0.000 description 1
- YGKBJPKABWZOSK-UHFFFAOYSA-N 9-(4-hydroxy-3-hydroxymethylbut-l-yl) guanine penciclovir Chemical compound N1C(N)=NC(=O)C2=C1N(CCC(CO)CO)C=N2.N1C(N)=NC(=O)C2=C1N(CCC(CO)CO)C=N2 YGKBJPKABWZOSK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KXPSHSVVYGZKAV-UHFFFAOYSA-N [2-(acetyloxymethyl)-4-(2-amino-6-chloropurin-9-yl)butyl] acetate Chemical compound N1=C(N)N=C2N(CCC(COC(=O)C)COC(C)=O)C=NC2=C1Cl KXPSHSVVYGZKAV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- XGRMVENQJLQMLT-UHFFFAOYSA-N dimethyl 2-ethylpropanedioate Chemical compound COC(=O)C(CC)C(=O)OC XGRMVENQJLQMLT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002777 nucleoside Substances 0.000 description 1
- 150000003833 nucleoside derivatives Chemical class 0.000 description 1
- 229960001179 penciclovir Drugs 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- VIMWZZMUASPQPL-UHFFFAOYSA-N triethyl 3-bromopropane-1,1,1-tricarboxylate Chemical compound CCOC(=O)C(CCBr)(C(=O)OCC)C(=O)OCC VIMWZZMUASPQPL-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Chemical Treatment Of Metals (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9407698 | 1994-04-19 | ||
| GB9407698A GB9407698D0 (en) | 1994-04-19 | 1994-04-19 | Pharmaceuticals |
| PCT/EP1995/001840 WO1995028402A2 (en) | 1994-04-19 | 1995-04-19 | Preparation of purines |
| EP9501840 | 1995-04-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI964193A0 FI964193A0 (fi) | 1996-10-18 |
| FI964193A7 FI964193A7 (fi) | 1996-12-18 |
| FI119691B true FI119691B (fi) | 2009-02-13 |
Family
ID=10753741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI964193A FI119691B (fi) | 1994-04-19 | 1996-10-18 | Puriinien valmistus |
Country Status (39)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9615253D0 (en) * | 1996-07-20 | 1996-09-04 | Smithkline Beecham Plc | Pharmaceuticals |
| GB9615276D0 (en) * | 1996-07-20 | 1996-09-04 | Smithkline Beecham Plc | Pharmaceuticals |
| GB9807114D0 (en) | 1998-04-02 | 1998-06-03 | Smithkline Beecham Plc | Novel process |
| GB9807116D0 (en) * | 1998-04-02 | 1998-06-03 | Smithkline Beecham Plc | Novel process |
| EP1532151A2 (en) * | 2002-08-26 | 2005-05-25 | Teva Pharmaceutical Industries Limited | Crystalline solid famciclovir forms i, ii, iii and preparation thereof |
| WO2004099208A1 (en) * | 2003-04-30 | 2004-11-18 | Teva Pharmaceutical Industries Ltd. | Process for the preparation of famciclovir |
| WO2005026167A1 (en) * | 2003-09-04 | 2005-03-24 | Teva Pharmaceutical Industries Ltd. | Process for preparing famciclovir |
| US7458839B2 (en) * | 2006-02-21 | 2008-12-02 | Fci Americas Technology, Inc. | Electrical connectors having power contacts with alignment and/or restraining features |
| US20050215787A1 (en) * | 2004-03-26 | 2005-09-29 | Joshi Ramesh A | An improved process for the preparation of purines |
| JP2007538087A (ja) | 2004-05-18 | 2007-12-27 | テバ ファーマシューティカル インダストリーズ リミティド | 結晶固形ファムシクロビルを調製するための乾燥方法 |
| GB2426247A (en) * | 2005-05-20 | 2006-11-22 | Arrow Int Ltd | Methods of preparing purine derivatives such as famciclovir |
| CN102070636B (zh) * | 2011-01-17 | 2012-05-23 | 浙江大学 | 喷昔洛韦的制备方法 |
| CN104086552B (zh) * | 2014-07-31 | 2016-01-13 | 济南兆康医药科技有限公司 | 一种喷昔洛韦的精制方法 |
| CN104496991A (zh) * | 2014-11-04 | 2015-04-08 | 常州康丽制药有限公司 | 高品质2-氨基-6-氯-9-(4-羟基-3–羟甲基丁基)嘌呤的制备方法 |
| CN104744472A (zh) * | 2015-03-12 | 2015-07-01 | 常州康丽制药有限公司 | 高品质2-氨基-6-氯-9-(4-羟基-3-羟甲基丁基)嘌呤的制备方法 |
| CN108314685B (zh) * | 2018-03-16 | 2020-08-25 | 上药康丽（常州）药业有限公司 | 一种2-氨基-6-氯-9-(4-乙酰氧基-3-乙酰氧甲基丁基)嘌呤的制备方法 |
| CN110713490A (zh) * | 2018-07-12 | 2020-01-21 | 浙江医药股份有限公司新昌制药厂 | 一种喷昔洛韦的制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH20807A (en) * | 1982-10-14 | 1987-04-21 | Wellcome Found | 2-amino-9-(2-hydroxyethoxymethyl)-9h-purine and salts thereof,their pharmaceutical formulations and their use |
| DE3485225D1 (de) * | 1983-08-18 | 1991-12-05 | Beecham Group Plc | Antivirale guanin-derivate. |
| DE3582399D1 (de) * | 1984-09-20 | 1991-05-08 | Beecham Group Plc | Purin-derivate und ihre pharmazeutische verwendung. |
| US5175268A (en) * | 1986-12-24 | 1992-12-29 | Takeda Chemical Industries, Ltd. | DNA encoding recombinant human lymphotoxin |
| DE3855774T2 (de) * | 1987-08-01 | 1997-06-12 | Beecham Group Plc | Purinverbindungen und ihre Herstellung |
| GB8817607D0 (en) * | 1988-07-23 | 1988-09-01 | Beecham Group Plc | Novel process |
| GB8822236D0 (en) * | 1988-09-21 | 1988-10-26 | Beecham Group Plc | Chemical process |
| GB8922076D0 (en) * | 1989-09-28 | 1989-11-15 | Beecham Group Plc | Novel process |
-
1994
- 1994-04-19 GB GB9407698A patent/GB9407698D0/en active Pending
-
1995
- 1995-04-12 DZ DZ950040A patent/DZ1872A1/fr active
- 1995-04-13 AP APAP/P/1995/000730A patent/AP582A/en active
- 1995-04-17 MY MYPI95000990A patent/MY128846A/en unknown
- 1995-04-17 TW TW084103750A patent/TW311138B/zh not_active IP Right Cessation
- 1995-04-17 MA MA23846A patent/MA23518A1/fr unknown
- 1995-04-18 IN IN705DE1995 patent/IN183830B/en unknown
- 1995-04-18 ZA ZA953110A patent/ZA953110B/xx unknown
- 1995-04-18 IL IL11340995A patent/IL113409A/xx not_active IP Right Cessation
- 1995-04-19 SK SK1332-96A patent/SK283193B6/sk not_active IP Right Cessation
- 1995-04-19 BR BR9507494A patent/BR9507494A/pt unknown
- 1995-04-19 HU HU9602891A patent/HU226209B1/hu unknown
- 1995-04-19 AT AT95921751T patent/ATE201209T1/de active
- 1995-04-19 EG EG32695A patent/EG20938A/xx active
- 1995-04-19 RO RO96-02001A patent/RO118950B1/ro unknown
- 1995-04-19 CZ CZ19963053A patent/CZ287674B6/cs not_active IP Right Cessation
- 1995-04-19 EP EP95921751A patent/EP0756597B1/en not_active Expired - Lifetime
- 1995-04-19 UA UA96103899A patent/UA47401C2/uk unknown
- 1995-04-19 NZ NZ287858A patent/NZ287858A/en not_active IP Right Cessation
- 1995-04-19 WO PCT/EP1995/001840 patent/WO1995028402A2/en not_active Ceased
- 1995-04-19 MX MX9604942A patent/MX9604942A/es active IP Right Grant
- 1995-04-19 KR KR1019960705948A patent/KR100327147B1/ko not_active Expired - Lifetime
- 1995-04-19 CA CA002188181A patent/CA2188181C/en not_active Expired - Lifetime
- 1995-04-19 JP JP52673895A patent/JP3936734B2/ja not_active Expired - Lifetime
- 1995-04-19 PL PL95316943A patent/PL181219B1/pl unknown
- 1995-04-19 PT PT95921751T patent/PT756597E/pt unknown
- 1995-04-19 RU RU96121936/04A patent/RU2158266C2/ru active
- 1995-04-19 DE DE69520945T patent/DE69520945T2/de not_active Expired - Lifetime
- 1995-04-19 DK DK95921751T patent/DK0756597T3/da active
- 1995-04-19 AU AU26706/95A patent/AU691000B2/en not_active Expired
- 1995-04-19 AP APAP/P/1996/000870A patent/AP703A/en active
- 1995-04-19 CN CN95193489A patent/CN1045963C/zh not_active Expired - Lifetime
- 1995-04-19 ES ES95921751T patent/ES2158948T3/es not_active Expired - Lifetime
- 1995-04-26 SA SA95150619A patent/SA95150619B1/ar unknown
-
1996
- 1996-10-15 NO NO19964395A patent/NO315000B1/no not_active IP Right Cessation
- 1996-10-18 BG BG100926A patent/BG63464B1/bg unknown
- 1996-10-18 OA OA60905A patent/OA10376A/en unknown
- 1996-10-18 FI FI964193A patent/FI119691B/fi not_active IP Right Cessation
-
1999
- 1999-03-11 US US09/265,926 patent/US6846927B1/en not_active Expired - Fee Related
-
2001
- 2001-08-07 GR GR20010401190T patent/GR3036338T3/el unknown
-
2004
- 2004-12-14 US US11/011,352 patent/US7355043B2/en not_active Expired - Fee Related
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI119691B (fi) | Puriinien valmistus | |
| AU2020201260B2 (en) | Process for preparing BTK inhibitors | |
| DK171991B1 (da) | Fremgangsmåde til fremstilling af 9-(4-hydroxymethylbut-1-yl)-puriner, samt 6,9-disubstituerede 2-aminopuriner, der kan indgå i fremgangsmåden | |
| CZ281920B6 (cs) | Polycyklické guaninové deriváty | |
| CN1275575A (zh) | 合成核苷类似物的方法 | |
| PL183885B1 (pl) | Nowy związek, pochodna chloropirymidyny, sposób wytwarzania pochodnej chloropuryny, sposób wytwarzania pochodnej chloropirymidyny, sposób wytwarzania N-(2-amino-4,6-dichloro-5-pirymidynylo) formamidu, sposób wytwarzania 2,5-diamino-4,6-dichloropirymidyny, sposób wytwarzania 2,6-diaminopuryn i sposób wytwarzania (1S,4R)-4-[2-amino-6-(cyklopropyloamino)-9H-puryn-9-ylo]-2-cyklopenteno-1-metanolu | |
| KR20150053816A (ko) | 테노포비어 디소프록실의 결정형 및 그의 제조방법 | |
| IL114735A (en) | L-monovaline ester of 2-2-amino-1, 6-dihydro-6- oxopurin-9-yl) methoxy- 3-hydroxy-1-propanol, its preparation and pharmaceutical compositions containing it | |
| AU2004246958B2 (en) | 2-amino-9-(2-substituted ethyl)purines and preparing methods for 9-(4-acetoxy-3-(acetoxymethyl)but-1-yl)- 2- aminopurine using the same | |
| FI98461C (fi) | Menetelmä terapeuttisesti käyttökelpoisten yhdisteiden valmistamiseksi | |
| JPH02164881A (ja) | 治療用ヌクレオシド化合物 | |
| CN104341452A (zh) | 富马酸替诺福韦酯杂质的制备方法 | |
| CN111574463B (zh) | 一种利格列汀中间体化合物ⅳ | |
| KR930010559B1 (ko) | 1-히드록시알킬크산틴류, 그의 제조방법 | |
| Rogers et al. | Synthesis of 3-methylisoguanine [6-amino-3-methylpurin-2 (3 H)-one] | |
| JP2647444B2 (ja) | ６−ピペリジノ−２，４−ジアミノピリミジン−３−オキシドの調整方法および新規な化合物 | |
| Alarcon et al. | 2-Amino-6-(1, 2, 4-triazol-4-yl)-purine: a useful intermediate in the synthesis of 9-alkylguanines | |
| KR101247653B1 (ko) | 아데포비어 디피복실 제조방법 | |
| EP0786460A2 (en) | 2-Arylquinolines and process for producing the same | |
| US20040266795A1 (en) | Process for the preparation of famciclovir | |
| Šimo et al. | Synthesis of 4-Alkyl-or 4-Phenyl-7-methyl-1, 2-dihydro-7H-imidazo [1, 2, 3-cd] purine-6, 8-diones | |
| SK84295A3 (en) | Method of purine preparation | |
| MXPA97005482A (es) | Procedimiento para preparar penciclovir o famciclovir | |
| FR2470130A2 (fr) | Derives de pyrimido (6,1-a) isoquinoleine-4-one, leur procede de preparation et leur application en therapeutique | |
| JPH1025293A (ja) | 新規なイミダゾピロロキノリン化合物 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 119691 Country of ref document: FI |
|
| MA | Patent expired |