CH629806A5 - Process for the preparation of substituted purines - Google Patents
Process for the preparation of substituted purines Download PDFInfo
- Publication number
- CH629806A5 CH629806A5 CH257177A CH257177A CH629806A5 CH 629806 A5 CH629806 A5 CH 629806A5 CH 257177 A CH257177 A CH 257177A CH 257177 A CH257177 A CH 257177A CH 629806 A5 CH629806 A5 CH 629806A5
- Authority
- CH
- Switzerland
- Prior art keywords
- guanine
- formula
- preparation
- carbon atoms
- mixture
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000002360 preparation method Methods 0.000 title claims description 25
- 150000003212 purines Chemical class 0.000 title claims description 7
- -1 aromatic anhydride Chemical class 0.000 claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 125000003107 substituted aryl group Chemical group 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 2
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical class O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 31
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 30
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 27
- 150000001875 compounds Chemical class 0.000 description 25
- 239000000203 mixture Substances 0.000 description 18
- 150000003839 salts Chemical class 0.000 description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 10
- JGSACAANCVVBKM-UHFFFAOYSA-N 2-[(2-amino-6-oxo-3h-purin-9-yl)methoxy]ethyl propanoate Chemical compound N1=C(N)NC(=O)C2=C1N(COCCOC(=O)CC)C=N2 JGSACAANCVVBKM-UHFFFAOYSA-N 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 8
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- MKUXAQIIEYXACX-UHFFFAOYSA-N aciclovir Chemical compound N1C(N)=NC(=O)C2=C1N(COCCO)C=N2 MKUXAQIIEYXACX-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 6
- XTUQFZILUDKKEU-UHFFFAOYSA-N 2-[(2-amino-6-oxo-3h-purin-9-yl)methoxy]ethyl 2,2-dimethylpropanoate Chemical compound N1=C(N)NC(=O)C2=C1N(COCCOC(=O)C(C)(C)C)C=N2 XTUQFZILUDKKEU-UHFFFAOYSA-N 0.000 description 5
- 238000000921 elemental analysis Methods 0.000 description 5
- 159000000000 sodium salts Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- TYHQCBMIGOIZEH-UHFFFAOYSA-N 2-[(2,6-diaminopurin-9-yl)methoxy]ethyl formate Chemical compound NC1=NC(N)=C2N=CN(COCCOC=O)C2=N1 TYHQCBMIGOIZEH-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 241000700605 Viruses Species 0.000 description 4
- 239000006071 cream Substances 0.000 description 4
- 239000012458 free base Substances 0.000 description 4
- 239000008101 lactose Substances 0.000 description 4
- 235000019359 magnesium stearate Nutrition 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- 238000002211 ultraviolet spectrum Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005550 wet granulation Methods 0.000 description 4
- OFDJYPIEYXKRHP-UHFFFAOYSA-N 2-[(2-amino-6-oxo-3h-purin-9-yl)methoxy]ethyl formate Chemical compound O=C1NC(N)=NC2=C1N=CN2COCCOC=O OFDJYPIEYXKRHP-UHFFFAOYSA-N 0.000 description 3
- NQUVCRCCRXRJCK-UHFFFAOYSA-N 4-methylbenzoyl chloride Chemical compound CC1=CC=C(C(Cl)=O)C=C1 NQUVCRCCRXRJCK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000004809 thin layer chromatography 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
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
- 241000450599 DNA viruses Species 0.000 description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 2
- 241000124008 Mammalia Species 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000005420 sulfonamido group Chemical group S(=O)(=O)(N*)* 0.000 description 2
- 239000000375 suspending agent Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000006188 syrup Substances 0.000 description 2
- 235000020357 syrup Nutrition 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- 241001529453 unidentified herpesvirus Species 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 description 1
- PGZVFRAEAAXREB-UHFFFAOYSA-N 2,2-dimethylpropanoyl 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OC(=O)C(C)(C)C PGZVFRAEAAXREB-UHFFFAOYSA-N 0.000 description 1
- IBAOFQIOOBQLHE-UHFFFAOYSA-N 2-amino-3,9-dihydropurin-9-ium-6-one;chloride Chemical compound Cl.N1C(N)=NC(=O)C2=C1N=CN2 IBAOFQIOOBQLHE-UHFFFAOYSA-N 0.000 description 1
- WHIHIKVIWVIIER-UHFFFAOYSA-N 3-chlorobenzoyl chloride Chemical compound ClC(=O)C1=CC=CC(Cl)=C1 WHIHIKVIWVIIER-UHFFFAOYSA-N 0.000 description 1
- MSSXOMSJDRHRMC-UHFFFAOYSA-N 9H-purine-2,6-diamine Chemical compound NC1=NC(N)=C2NC=NC2=N1 MSSXOMSJDRHRMC-UHFFFAOYSA-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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000700626 Cowpox virus Species 0.000 description 1
- 241000709661 Enterovirus Species 0.000 description 1
- 208000001860 Eye Infections Diseases 0.000 description 1
- 208000009889 Herpes Simplex Diseases 0.000 description 1
- 208000007514 Herpes zoster Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XQFRJNBWHJMXHO-RRKCRQDMSA-N IDUR Chemical compound C1[C@H](O)[C@@H](CO)O[C@H]1N1C(=O)NC(=O)C(I)=C1 XQFRJNBWHJMXHO-RRKCRQDMSA-N 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- DSRXQXXHDIAVJT-UHFFFAOYSA-N acetonitrile;n,n-dimethylformamide Chemical compound CC#N.CN(C)C=O DSRXQXXHDIAVJT-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229960000643 adenine Drugs 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 201000003740 cowpox Diseases 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006196 drop Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 241001493065 dsRNA viruses Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 206010014599 encephalitis Diseases 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 208000011323 eye infectious disease Diseases 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- ARBOVOVUTSQWSS-UHFFFAOYSA-N hexadecanoyl chloride Chemical compound CCCCCCCCCCCCCCCC(Cl)=O ARBOVOVUTSQWSS-UHFFFAOYSA-N 0.000 description 1
- PKHMTIRCAFTBDS-UHFFFAOYSA-N hexanoyl hexanoate Chemical compound CCCCCC(=O)OC(=O)CCCCC PKHMTIRCAFTBDS-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 206010023332 keratitis Diseases 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- XNLBCXGRQWUJLU-UHFFFAOYSA-N naphthalene-2-carbonyl chloride Chemical compound C1=CC=CC2=CC(C(=O)Cl)=CC=C21 XNLBCXGRQWUJLU-UHFFFAOYSA-N 0.000 description 1
- 229940100662 nasal drops Drugs 0.000 description 1
- 239000003883 ointment base Substances 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229940100611 topical cream Drugs 0.000 description 1
- 229940100615 topical ointment Drugs 0.000 description 1
- FJRPWCNFWGBGOF-UHFFFAOYSA-N tridecanoyl chloride Chemical compound CCCCCCCCCCCCC(Cl)=O FJRPWCNFWGBGOF-UHFFFAOYSA-N 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
- A61P31/22—Antivirals for DNA viruses for herpes viruses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/16—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Virology (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Molecular Biology (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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7988/76A GB1561380A (en) | 1976-03-01 | 1976-03-01 | Esters of hydroxyalkoxyalkyl purines their preparation and pharmaceutical compositions containing them |
US71810576A | 1976-08-27 | 1976-08-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH629806A5 true CH629806A5 (en) | 1982-05-14 |
Family
ID=26241801
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH257177A CH629806A5 (en) | 1976-03-01 | 1977-03-01 | Process for the preparation of substituted purines |
CH558581A CH631176A5 (en) | 1976-03-01 | 1981-08-31 | Processes for preparing substituted purines. |
CH558781A CH632758A5 (en) | 1976-03-01 | 1981-08-31 | Process for preparing substituted purines |
CH558681A CH632757A5 (en) | 1976-03-01 | 1981-08-31 | Process for preparing substituted purines |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH558581A CH631176A5 (en) | 1976-03-01 | 1981-08-31 | Processes for preparing substituted purines. |
CH558781A CH632758A5 (en) | 1976-03-01 | 1981-08-31 | Process for preparing substituted purines |
CH558681A CH632757A5 (en) | 1976-03-01 | 1981-08-31 | Process for preparing substituted purines |
Country Status (25)
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8202626A (nl) * | 1982-06-29 | 1984-01-16 | Stichting Rega V Z W | Derivaten van 9-(2-hydroxyethoxymethyl)guanine. |
ES520140A0 (es) * | 1983-02-25 | 1984-04-01 | Ind Farma Especial | Un procedimiento para la preparacion de acicloguanosina. |
GB8816760D0 (en) * | 1988-07-14 | 1988-08-17 | Wellcome Found | Therapeutic compounds |
US5994361A (en) * | 1994-06-22 | 1999-11-30 | Biochem Pharma | Substituted purinyl derivatives with immunomodulating activity |
JP4704223B2 (ja) * | 2006-01-30 | 2011-06-15 | Hoya株式会社 | 送りねじ機構 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5122049A (ja) * | 1974-08-19 | 1976-02-21 | Sanwa Denki Kk | Kahenteikosochi |
-
1977
- 1977-02-28 AU AU22759/77A patent/AU515553B2/en not_active Expired
- 1977-03-01 AR AR266728A patent/AR228232A1/es active
- 1977-03-01 CH CH257177A patent/CH629806A5/de not_active IP Right Cessation
- 1977-03-01 ZA ZA00771220A patent/ZA771220B/xx unknown
- 1977-03-01 BG BG035556A patent/BG27750A3/xx unknown
- 1977-03-01 RO RO7796630A patent/RO76591A/ro unknown
- 1977-03-01 DD DD197619A patent/DD128611A5/xx unknown
- 1977-03-01 GR GR52881A patent/GR66070B/el unknown
- 1977-03-01 BE BE175383A patent/BE851972R/xx not_active IP Right Cessation
- 1977-03-01 CA CA272,888A patent/CA1086316A/en not_active Expired
- 1977-03-01 LU LU76869A patent/LU76869A1/xx unknown
- 1977-03-01 FI FI770655A patent/FI60710C/fi not_active IP Right Cessation
- 1977-03-01 BG BG036534A patent/BG28067A3/xx unknown
- 1977-03-01 SU SU772455681A patent/SU637086A3/ru active
- 1977-03-01 SE SE7702233A patent/SE433216B/xx not_active IP Right Cessation
- 1977-03-01 PL PL1977196356A patent/PL115267B1/pl not_active IP Right Cessation
- 1977-03-01 DE DE19772708827 patent/DE2708827A1/de active Granted
- 1977-03-01 AT AT134877A patent/AT361007B/de not_active IP Right Cessation
- 1977-03-01 DK DK88677A patent/DK147824C/da not_active IP Right Cessation
- 1977-03-01 ES ES456432A patent/ES456432A2/es not_active Expired
- 1977-03-01 NL NL7702175A patent/NL7702175A/xx active Search and Examination
- 1977-03-01 IE IE438/77A patent/IE44708B1/en unknown
- 1977-03-01 PL PL1977211568A patent/PL115242B1/pl unknown
- 1977-03-01 FR FR7705924A patent/FR2342972A2/fr active Granted
- 1977-03-01 JP JP2211377A patent/JPS52106896A/ja active Granted
- 1977-03-01 HU HU77WE550A patent/HU176907B/hu not_active IP Right Cessation
-
1980
- 1980-06-12 IT IT8048953A patent/IT8048953A0/it unknown
-
1981
- 1981-07-24 AR AR286218A patent/AR228281A1/es active
- 1981-07-24 AR AR286219A patent/AR228282A1/es active
- 1981-07-24 AR AR286220A patent/AR228283A1/es active
- 1981-08-31 CH CH558581A patent/CH631176A5/de not_active IP Right Cessation
- 1981-08-31 CH CH558781A patent/CH632758A5/de not_active IP Right Cessation
- 1981-08-31 CH CH558681A patent/CH632757A5/de not_active IP Right Cessation
-
1984
- 1984-03-21 NL NL8400896A patent/NL8400896A/nl not_active Application Discontinuation
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