CA1284499C - ¬2,5-dihydro-2-oxo-5-phenyl-3-furanyl| amines, methods of manufacture, and use thereof in the production of angiotensin converting enzyme inhibitors - Google Patents

¬2,5-dihydro-2-oxo-5-phenyl-3-furanyl| amines, methods of manufacture, and use thereof in the production of angiotensin converting enzyme inhibitors

Info

Publication number: CA1284499C
Authority: CA; Canada
Prior art keywords: formula; compound; carboxy; lower alkoxycarbonyl; manufacture
Prior art date: 1986-05-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

CA000537949A

Other languages

English (en)

French (fr)

Inventor

Stephen K. Boyer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Novartis AG

Original Assignee

Ciba Geigy AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-05-28

Filing date

1987-05-26

Publication date

1991-05-28

1987-05-26 Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG

1991-05-28 Application granted granted Critical

1991-05-28 Publication of CA1284499C publication Critical patent/CA1284499C/en

2008-05-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 20
238000000034 method Methods 0.000 title claims abstract description 19
229940044094 angiotensin-converting-enzyme inhibitor Drugs 0.000 title abstract description 11
239000005541 ACE inhibitor Substances 0.000 title abstract description 10
150000001412 amines Chemical class 0.000 title description 5
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 43
150000001875 compounds Chemical class 0.000 claims abstract description 42
125000004453 alkoxycarbonyl group Chemical group 0.000 claims abstract description 28
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 31
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 30
WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 21
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 21
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 12
LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 8
150000003839 salts Chemical class 0.000 claims description 7
238000005984 hydrogenation reaction Methods 0.000 claims description 6
YQOUMBVFEWZLME-VOTSOKGWSA-N (e)-2-oxo-4-phenylbut-3-enoic acid Chemical compound OC(=O)C(=O)\C=C\C1=CC=CC=C1 YQOUMBVFEWZLME-VOTSOKGWSA-N 0.000 claims description 5
229960000443 hydrochloric acid Drugs 0.000 claims 8
235000011167 hydrochloric acid Nutrition 0.000 claims 8
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 2
JNSNWRLASLHOPB-UHFFFAOYSA-N 4-amino-2-phenyl-2h-furan-5-one Chemical class O1C(=O)C(N)=CC1C1=CC=CC=C1 JNSNWRLASLHOPB-UHFFFAOYSA-N 0.000 abstract description 2
239000000047 product Substances 0.000 description 13
239000000243 solution Substances 0.000 description 10
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 9
239000011541 reaction mixture Substances 0.000 description 9
239000002253 acid Substances 0.000 description 7
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
-1 alkaline earth metal salts Chemical class 0.000 description 6
239000000543 intermediate Substances 0.000 description 5
230000037361 pathway Effects 0.000 description 5
238000002360 preparation method Methods 0.000 description 5
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
150000007513 acids Chemical class 0.000 description 4
239000002585 base Substances 0.000 description 4
239000012043 crude product Substances 0.000 description 4
238000004128 high performance liquid chromatography Methods 0.000 description 4
239000000203 mixture Substances 0.000 description 4
239000007858 starting material Substances 0.000 description 4
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
125000004432 carbon atom Chemical group C* 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
150000005690 diesters Chemical class 0.000 description 3
239000000725 suspension Substances 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 2
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
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 description 2
BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
229910052784 alkaline earth metal Inorganic materials 0.000 description 2
150000003863 ammonium salts Chemical class 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000003054 catalyst Substances 0.000 description 2
239000003153 chemical reaction reagent Substances 0.000 description 2
230000032050 esterification Effects 0.000 description 2
238000005886 esterification reaction Methods 0.000 description 2
125000002768 hydroxyalkyl group Chemical group 0.000 description 2
125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 2
239000002808 molecular sieve Substances 0.000 description 2
VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
238000001953 recrystallisation Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
239000011734 sodium Substances 0.000 description 2
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
238000003786 synthesis reaction Methods 0.000 description 2
ARGCQEVBJHPOGB-UHFFFAOYSA-N 2,5-dihydrofuran Chemical group C1OCC=C1 ARGCQEVBJHPOGB-UHFFFAOYSA-N 0.000 description 1
BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 1
125000005274 4-hydroxybenzoic acid group Chemical group 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
COVZYZSDYWQREU-UHFFFAOYSA-N Busulfan Chemical compound CS(=O)(=O)OCCCCOS(C)(=O)=O COVZYZSDYWQREU-UHFFFAOYSA-N 0.000 description 1
XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 1
PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
239000003513 alkali Substances 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
125000005210 alkyl ammonium group Chemical group 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
125000005263 alkylenediamine group Chemical group 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
239000000908 ammonium hydroxide Substances 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
125000003710 aryl alkyl group Chemical group 0.000 description 1
SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 1
125000004744 butyloxycarbonyl group Chemical group 0.000 description 1
159000000007 calcium salts Chemical class 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
125000000753 cycloalkyl group Chemical group 0.000 description 1
HCAJEUSONLESMK-UHFFFAOYSA-N cyclohexylsulfamic acid Chemical compound OS(=O)(=O)NC1CCCCC1 HCAJEUSONLESMK-UHFFFAOYSA-N 0.000 description 1
HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
239000003814 drug Substances 0.000 description 1
229940079593 drug Drugs 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
239000000284 extract Substances 0.000 description 1
239000012065 filter cake Substances 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
125000002541 furyl group Chemical group 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
229910000041 hydrogen chloride Inorganic materials 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
UWYVPFMHMJIBHE-OWOJBTEDSA-N hydroxymaleic acid group Chemical group O/C(/C(=O)O)=C/C(=O)O UWYVPFMHMJIBHE-OWOJBTEDSA-N 0.000 description 1
239000012535 impurity Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
231100001231 less toxic Toxicity 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000011707 mineral Substances 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
238000000746 purification Methods 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
239000002002 slurry Substances 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
150000003460 sulfonic acids Chemical class 0.000 description 1
238000004809 thin layer chromatography Methods 0.000 description 1
JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1

Landscapes

Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Plural Heterocyclic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

CA000537949A 1986-05-28 1987-05-26 ¬2,5-dihydro-2-oxo-5-phenyl-3-furanyl| amines, methods of manufacture, and use thereof in the production of angiotensin converting enzyme inhibitors Expired - Lifetime CA1284499C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US86822786A	1986-05-28	1986-05-28
US868,227		1986-05-28

Publications (1)

Publication Number	Publication Date
CA1284499C true CA1284499C (en)	1991-05-28

Family

ID=25351280

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000537949A Expired - Lifetime CA1284499C (en)	1986-05-28	1987-05-26	¬2,5-dihydro-2-oxo-5-phenyl-3-furanyl\| amines, methods of manufacture, and use thereof in the production of angiotensin converting enzyme inhibitors

Country Status (10)

Country	Link
AT (1)	AT395008B (de)
CA (1)	CA1284499C (de)
DD (2)	DD263771A5 (de)
DK (2)	DK167018B1 (de)
ES (1)	ES2005880A6 (de)
FI (1)	FI88723C (de)
GR (1)	GR870819B (de)
HU (2)	HU199807B (de)
NO (1)	NO170489C (de)
PT (1)	PT84947B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20010043558A (ko)	1998-05-13	2001-05-25	한센 핀 베네드, 안네 제헤르, 웨이콥 마리안느	감수분열 조절 화합물

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4410520A (en) *	1981-11-09	1983-10-18	Ciba-Geigy Corporation	3-Amino-[1]-benzazepin-2-one-1-alkanoic acids
US4473575A (en) *	1982-07-19	1984-09-25	Ciba-Geigy Corporation	3-Amino-(1)-benzazepin-2-one-1-alkanoic acids

1987
- 1987-05-25 GR GR870819A patent/GR870819B/el unknown
- 1987-05-25 FI FI872306A patent/FI88723C/fi not_active IP Right Cessation
- 1987-05-26 PT PT8494787A patent/PT84947B/pt unknown
- 1987-05-26 DD DD30316087A patent/DD263771A5/de not_active IP Right Cessation
- 1987-05-26 CA CA000537949A patent/CA1284499C/en not_active Expired - Lifetime
- 1987-05-26 DD DD32522387A patent/DD278787A5/de not_active IP Right Cessation
- 1987-05-27 HU HU657987A patent/HU199807B/hu unknown
- 1987-05-27 DK DK271087A patent/DK167018B1/da active IP Right Grant
- 1987-05-27 NO NO872226A patent/NO170489C/no unknown
- 1987-05-27 AT AT135787A patent/AT395008B/de not_active IP Right Cessation
- 1987-05-27 HU HU244487A patent/HU199832B/hu unknown
- 1987-05-28 ES ES8701572A patent/ES2005880A6/es not_active Expired
1992
- 1992-10-27 DK DK130992A patent/DK169322B1/da active IP Right Grant

Also Published As

Publication number	Publication date
PT84947A (en)	1987-06-01
DK271087A (da)	1987-11-29
FI872306A0 (fi)	1987-05-25
DD263771A5 (de)	1989-01-11
NO170489B (no)	1992-07-13
HU199832B (en)	1990-03-28
DK271087D0 (da)	1987-05-27
HU199807B (en)	1990-03-28
NO872226L (no)	1987-11-30
ATA135787A (de)	1992-01-15
AT395008B (de)	1992-08-25
DK169322B1 (da)	1994-10-10
HUT44534A (en)	1988-03-28
DK130992D0 (da)	1992-10-27
FI872306L (fi)	1987-11-29
GR870819B (en)	1987-09-25
DK130992A (da)	1992-10-27
PT84947B (pt)	1990-02-08
NO170489C (no)	1992-10-21
FI88723B (fi)	1993-03-15
DD278787A5 (de)	1990-05-16
DK167018B1 (da)	1993-08-16
FI88723C (fi)	1993-06-28
NO872226D0 (no)	1987-05-27
ES2005880A6 (es)	1989-04-01

Legal Events

Date	Code	Title	Description
2008-05-28	MKEX	Expiry

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NO166184B (no)	1991-03-04	Analogifremgangsmaate for fremstilling av terapeutisk aktive n9-cyklopentyl-substituerte adeninderivater.
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EP0223744B1 (de)	1992-03-11	Flavon-Derivate
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EP1554235B1 (de)	2009-02-18	Verfahren zur synthese von l-y-methylenglutaminsäure und analoga
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