IE44438B1 - Improvements in or relating to thienopyridines - Google Patents
Improvements in or relating to thienopyridinesInfo
- Publication number
- IE44438B1 IE44438B1 IE254/77A IE25477A IE44438B1 IE 44438 B1 IE44438 B1 IE 44438B1 IE 254/77 A IE254/77 A IE 254/77A IE 25477 A IE25477 A IE 25477A IE 44438 B1 IE44438 B1 IE 44438B1
- Authority
- IE
- Ireland
- Prior art keywords
- compound
- carbon atoms
- hydrogen
- alkyl
- formula
- Prior art date
Links
- 229940125670 thienopyridine Drugs 0.000 title 1
- 239000002175 thienopyridine Substances 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 58
- 125000004432 carbon atom Chemical group C* 0.000 claims description 55
- 125000000217 alkyl group Chemical group 0.000 claims description 42
- 239000001257 hydrogen Substances 0.000 claims description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 20
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- -1 nitro, phenyl Chemical group 0.000 claims description 16
- 125000003884 phenylalkyl group Chemical group 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 13
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 11
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052794 bromium Inorganic materials 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 11
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 7
- 150000003839 salts Chemical group 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 2
- 239000003937 drug carrier Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical group 0.000 claims description 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
- 239000008194 pharmaceutical composition Substances 0.000 claims description 2
- 239000008024 pharmaceutical diluent Substances 0.000 claims description 2
- 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 2
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 claims description 2
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 claims 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims 3
- 125000001402 nonanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 239000003416 antiarrhythmic agent Substances 0.000 abstract description 2
- 230000003288 anthiarrhythmic effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 229940079593 drug Drugs 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 230000002503 metabolic effect Effects 0.000 abstract 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 16
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- FWWOWPGPERBCNJ-UHFFFAOYSA-N 2-hydroxy-4-(2-hydroxyethoxy)-4-oxobutanoic acid Chemical compound OCCOC(=O)CC(O)C(O)=O FWWOWPGPERBCNJ-UHFFFAOYSA-N 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- 230000001800 adrenalinergic effect Effects 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- JWSVLAUAFANMTN-UHFFFAOYSA-N thieno[3,2-c]pyridine-3-carbonitrile Chemical compound C1=NC=C2C(C#N)=CSC2=C1 JWSVLAUAFANMTN-UHFFFAOYSA-N 0.000 description 3
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000005809 3,4,5-trimethoxyphenyl group Chemical group [H]C1=C(OC([H])([H])[H])C(OC([H])([H])[H])=C(OC([H])([H])[H])C([H])=C1* 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 230000004130 lipolysis Effects 0.000 description 2
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 125000005359 phenoxyalkyl group Chemical group 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-M succinate(1-) Chemical compound OC(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-M 0.000 description 2
- 239000012730 sustained-release form Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- JWZZKOKVBUJMES-UHFFFAOYSA-N (+-)-Isoprenaline Chemical compound CC(C)NCC(O)C1=CC=C(O)C(O)=C1 JWZZKOKVBUJMES-UHFFFAOYSA-N 0.000 description 1
- WPWHSFAFEBZWBB-UHFFFAOYSA-N 1-butyl radical Chemical compound [CH2]CCC WPWHSFAFEBZWBB-UHFFFAOYSA-N 0.000 description 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 description 1
- 206010002383 Angina Pectoris Diseases 0.000 description 1
- BMTAFVWTTFSTOG-UHFFFAOYSA-N Butylate Chemical compound CCSC(=O)N(CC(C)C)CC(C)C BMTAFVWTTFSTOG-UHFFFAOYSA-N 0.000 description 1
- 241000700199 Cavia porcellus Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 239000005643 Pelargonic acid Substances 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 210000001789 adipocyte Anatomy 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000005119 alkyl cycloalkyl group Chemical group 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000002876 beta blocker Substances 0.000 description 1
- 229940097320 beta blocking agent Drugs 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 230000001834 epinephrinelike Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 235000021588 free fatty acids Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000004116 glycogenolysis Effects 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000000297 inotrophic effect Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229940039009 isoproterenol Drugs 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical group OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- PBBAFLCORNAZCD-UHFFFAOYSA-N nonanoyl nonanoate Chemical compound CCCCCCCCC(=O)OC(=O)CCCCCCCC PBBAFLCORNAZCD-UHFFFAOYSA-N 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011321 prophylaxis Methods 0.000 description 1
- WIRTYVGMQVIVDM-UHFFFAOYSA-N pyridine-3-carbonitrile Chemical compound N#CC1=C=NC=C[CH]1 WIRTYVGMQVIVDM-UHFFFAOYSA-N 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- PYEZYNAHBMWJFR-UHFFFAOYSA-N thieno[3,2-c]pyridine Chemical class N1=CC=C2S[C]=CC2=C1 PYEZYNAHBMWJFR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—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
- A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
Landscapes
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Urology & Nephrology (AREA)
- Emergency Medicine (AREA)
- Endocrinology (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
The compounds of the formula I in which the substituents have the meanings given in the patent claims, are novel. They have beta -adrenoreceptor-blocking, antiarrhythmic and metabolic actions and are therefore suitable for use as medicines. They are obtained by esterification.
Description
The present invention relates to thieno(3,2c)pyri dine derivatives.
In accordance with the Invention there are provided compounds of formula I, wherein Rj is Ci) hydrogen or alkyl of 1 to 4 carbon atoms,- 1 --- or (ii) chlorine or bromine, in the 2,3 or 7 position, or (ill) fluorine, cyano or COOB, wherein B is alkyl of 1 to 4 carbon atoms, in the 2 or 3 position, Rj is Ci) hydrogen or alkyl of 1 to 4 carbon atoms, -- or (ii) chlorine or bromine, in the 2,3 or 7 position, or (iii) fluorine, in the 2 or 3 position.
R3 is hydrogen or a group -COR^, wherein 4 ύ 3 8 R^ is alkyl of 1 to 17 carbon atoms, phenyl, phenyl monosubstituted by nitro, phenyl mono- or disubstituted by alkyl of 1 to 4 carbon atoms or halogen with an atomic number of 9 to 35, phenyl mono-, di- or trisubstituted by alkoxy of 1 to 4 carbon atcms, or a group D-COOH, wherein D is ethylene or trimethylene, and R is phenylalkyl of 8 to 10 carbon atoms, phenyl10 alkyl of 8 to 10 carbon atoms monosubstituted in the phenyl radical by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or halogen with an atomic number of 9 to 35, or phenylalkyl of 8 to 10 carbon atoms disubsti15 tuted ln the phenyl radical by alkoxy of 1 to carbon atoms,the phenyl ring of each of the phenylalkyl radicals being separated by at least 2 carbon at?ms from the nitrogen atom to which R is bound and, when R^ is a group -CORj, R alternatively is alkyl of 3 to 7 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, cycloalkyl of 3 to 7 carbon atoms monosubstituted by alkyl of 1 tc 4 carbon atoms, a-dialkylpropinyl of 5 to 9 carbon atoms, a-dialkyl25 allyl of 5 to 9 carbon atoms, or phenoxyalkyl of 8 to 11 carbon atoms, the oxygen atom of the phenoxyalkyl radical being separated by at least two carbon atoms from the nitrogen atom to which R is bound. 4443® with the general proviso that, when R^ ls cyano or COOB, R2 Is other than fluorine, chlorino or bronlne. In the 2 or 3 position.
Rj Is preferably hydrogen, alkyl, chlorine, bro5 mine or cyano. Rj Is preferably hydrogen or alkyl.
Rj Is preferably a group -CORj. Rj ls preferably alkyl, phenyl, phenyl substituted by halogen or alkoxy, or a group D-COOH. R is preferably alkyl,alkylcycloalkyl, phenylalkyl or phenylalkyl substituted by alkoxy, especially alkyl.
Alkoxy preferably contains 1 or 2, especially 1 carbon atom. When Rj and/or R2 is alkyl or when Η* Is phenyl substituted by alkyl or when R is phenylalkyl substituted in the phenyl radical by alkyl or cycloalkyi substituted by alkyl, or when B is alkyl,these alkyl radicals preferably contain 1 or 2, especially 1 carbon atom. When Rj and/or R2 is fluorine, chlorine or bromine, these radicals are preferably chlorine or bromine, especially bromine. When R is alkyl, this radical preferably Ib branched, especially in an α-positlon to the nitrogen atom to which it is bound. Especially preferred alkyl radicals R are isopropyl, tert.butyl, 3-pentyl and tert, pentyl.
When Rj ls alkyl, this radical preferably contains 1 to 10, especially 4 to 9 carbon atoms. Especially i ·Μ' Η •5' , preferred alkyl, radicals R A are tertk butyl,3• l i ί Ϊ , ; j 4 . ; · ·. i · · · · pentyl,ϊtert. pentyl and n-octyl, especially tert., ' ! · · i ί ) ’ i butyl and n-octy,l. Halogen of atomic number from/ 1 • . · · » ,» . · . ι /1 V i. '» to 35 preferably signifies fluorine 6r\chlbrifne J' , '.‘, ! · · Γ; · , , ·. · ' 1 ' Phenylalkyl preferably signifies phenethyl, sub* s'. · · ··.·.' : stltuted phenylalkyl preferably signifies substituted phenethyl. Cycloalkyl preferably ;is of 3>5 ' I ι or 6, especially of 3 carbon‘atoms. In cycloalkyl substituted, by alkyl# the alkyl radical preferably is attached to the 1 position of the cycloalkyl radical. In o-dialkylpropinyl and a-dialkylallyl, the alkyl radicals preferably are identical and preferably are of 1 or 2, especially of 1 cart bon atom. Phenoxyalkyl preferably signifies phenoxyethyl, D is preferably ethylene. and/or R^ preferably is in the 2 or 3 position. When R is monosubstituted phenylalkyl and/or R^ is monosubstituted phenyl, the phenyl radical preferably is substituted in the >4 posΙΣΟ tion. When R is polysubstituted phenylalkyl and/or is polysubstituted phenyl, the substituents of the phenyl radical may have Independent significances, are however preferably identical, and preferably are alkoxy groups, especially in the 3,4 or 3,4,5 positions.
In accordance with the invention, a compound of formula I may be obtained by a process comprising 4443» a) for the production of a compound of formula Ia wherein R, Rj, R^ and R^ are as defined above, esterifying a compound of formula lb wherein R, R^ and are as defined above, or b) for the production of a compound of formula Ib, substituting a compound of formula II II wherein R^ and R? are as defined above and X is a leaving group, with a group of formula III OH I "OCH-CHCII-NII-R 2 2 III 44430 wherein R is as defined above.
Process variant a) may be effected in a manner analogous to methods known for the acyl&tion of secondary alkohols.
To a compound of formula Ib there may, for example, be added an excess of an anhydride corresponding to the acid of formula RjCOOH,as well as an acid. The added acid may be the acid RjCOOH, but may however be different. The process may be effected from about 0 to about 100°C, preferably from about room temperature to about 40°C. The process is optionally effected in the presence of an inert organic solvent. The reaction mixture may be worked up in known manner, conveniently under mild conditions, as otherwise the ester group may be split off.
Process variant b) is a substitution reaction on an aromatic, nitrogen-containing heterocycle which contains a leaving group on a carbon atom adjacent to the nitrogen. It may be effected in a manner analogous to known methods .X preferably signifies an anionic leaving group, e.g. chlorine, bromine or methylthio}--:-—_____ X especially signi25 fies chlorine. The substitution is readily effected, e.g. by allowing to stand a solution of a compound - 7 44438 of formula II and a compound of formula Η'Κχ» wherein R* le the group of formula III. This may be effected ln an Inert organic solvent* e.g. a lower alkanol such as tert.butanol. The reaction Is preferably effected In the presence of a base* e.g. an alkali metal aleoholate such as potassium tert.butylate. The reaction temperature may vary frcm about 0° to about 80®C, and Is preferably room temperature.
The carbon atom of the side chain carrying the -ORj group ln the compounds of formula I Is asymmetric} the compounds may therefore appear in the form of the corresponding enantiomers.
The individual optical Isomers of the compounds of formula I may be obtained in conventional manner, e.g. by effecting the processes according to the invention starting from the corresponding optical inn mere of the starting materials, which may be obtained ln conventional manner starting from opti20 cally pure (R)-or(S)rglyceraldehyde.
The compounds of formula I may be present ln the free form, or in the form of acid addition salts.
Acid addition salts, for example, the hydrogen maleate may be produced from the free compounds ln known manner, and vice versa.
Insofar as the production of the starting materials is not described, these are known or may be produced in accordance with known processes, or in a manner analogous to the processes described herein or to known processes.
In the following non-limitative Examples all temperatures are indicated in degrees Centigrade and are uncorrected. - 9 EXAMPLE 1: 4-(3-tert.butylamino-2-nonanoyloxypropoxy)thienot3,2-c)pyrldlne-3-carbonltrlle [process variant a] 2.7 g of pelargonic acid and 1.3 g 4-(3-tert.butylamino- 2-hydroxypropoxy)thieno[3,2-c]pyridine-3-carbonitrile ln 12 ml of chloroform are reacted dropwise at 0° with 1.5 g pelargonic anhydride ln 3 ml of chloroform. After 15 hours at roan temperature, 50 ml of a 2M soda solution are added and the reaction mixture ls extracted thrice with methylene chloride, dried over MgSO* , filtered and concentrated. The title compound ls formed (M.P. of the hydrogen maleate form 105-107* - from tetrahydro15 furan).
EXAMPLE 2t fl-tert.butylamino-3- (3-cyano-thieno [3,2-c)pyridlne-4-yloxy)-2-propy1^ hydro gen succinate [process variant a) 1 g of 4-(3-tert.butylamino-2-hydroxypropoxy)thieno [3,2-c]pyridine-3-carbonitrile hydrogen maleate are dissolved in 15 ml acetic acid and reacted at room temperature with 0.48 g of succinic--anhydride. After 15 hours 50 ml of ether aro added.
The hydrogen maleate of the title compound is obtained (M.P. 134-137°).
The following compounds of formula Ia are obtained according to process variant a) in a manner analogous to Example 1, using the corresponding starting materials of formula Ib: EX. nr. R «1R2R4 M.P. 5 3 tert-butyl 3-bromo H phenyl hml 198-201° 4 tert-butyl 3-bromo H tert-butyl hml 185-187° 5 tert-butyl 2-cyano H tert-butyl hml 169-172° 6 tert-butyl 3-cyano H phenyl hml 202-204° 7 tert-butyl 6-methyl R tert-butyl hml 188-190’ 10 8 tert-butyl 3-bromo 2-me- thyl tert-butyl hml 160-163° 9 tert-butyl 3-bromo 2-me- thyl 3,4,5-trimethoxyphenyl 15 10 tert-butyl 3-cyano H tert-butyl hml 158-160° 11* tert-butyl 3-cyano H 4-fluorophenyl hml 172-174° 12 tert-butyl 3-bromo 2-me- thyl phenyl hml 197-200° 20 13 tert-butyl 3-cyhno B 3,4,5-tri- methoxy- phenyl hml 207-210° * using as solvent a 1:1 mixture chloroform /hexamethylphosphoric acid triamide in place of chloroform hml = hydrogen maleate 4443» EXAMPLE 14; 4-(3-(3,4-dimethoxy-phenethylamino)2-hydroxypropoxy)thleno(3,2-c) pyrldlne-2-carbonltrile [process variant b] To a solution of 1.0 cr of potassium in 60 ml of tert butanol produced at 35° is added a solution of 6.4 g of l,2-dihydroxy-3-[3,4-diroethoxyphenethylamino) propane in 50 ml of tert*.butanol} then 5.0 g of 4-chloro-thieno[3,2-c)pyridine-2-carbonltrile is added to the mixture. After 4 hours at 30° the reaction mixture is worked up in the usual manner.
The title compound is obtained (M.P. of the hydrogen maleate : 150-153°). - 12 The compounds of formula I exhibit pharmacological activity. In particular these compounds inhibit lipolysis and glycogenolysis induced by isoproterenol as indicated by standard tests.For example the inhibition of lipolysis may be observed in vitro in isolated fat cells taken from the epidldymal fat tissue of rats, the cells having been isolated in accordance with the method of M.Rodbell [J.Biol. Chem. 239/1964) 375-380).
The compounds are therefore indicated for use as inhibitors of the increase in free fatty acid and glucose concentration in blood,induced by emotional stress.
For this use an Indicated daily dose is from about 1 to about 200 mg, conveniently administered in divided doses 2 to 4 times a day in unit dosage form containing from about 0.25 to about 100 mg, or in sustained release form.
Additionally, the compounds exhibit adrenergic β-blocking activity. In particular the compounds inhibit the positive inotropic adrenaline effect in the spontaneously beating isolated guinea pig atrium .
The compounds are therefore further indicated for use as adrenergic β-blocking agents, e.g. for the prophylaxis and therapy of coronary diseases, particularly in the treatment of Angina pectoris, and also as antiarrhythmic agents, e.g. ln the treatment of heart rhythm disorders.
Por these usee an Indicated daily dose is from 5 about 1 to about 100 mg, conveniently administered ln divided doses 2 to 4 times a day in unit dosage form containing from about 0.25 to about 50 mg, or in sustained release form.
Especially interesting is the adrenergic p-blocking 10 activity of these compounds.
The S enantiomers of the compounds of formula I are pharmacologically more active than the corresponding R enantiomers.
Preferred compounds of formula Ia are compounds 15 of formula Iaa I wherein R* is hydrogen or alkyl of 1 to 4 carbon atoms, bromine or cyano, in the 2 or 3 position, rJ is alkyl of 4 to 9 carbon atoms, phenyl, phenyl monosubstituted by halogen of atomic number from - 14 iSS.aBOT: to 35, phenyl mono-,di-or trisubstituted by alkoxy of 1 to 4 carbon atoms, or a group DI-COOH, wherein D1 is ethylene, and R1 ls alkyl of 3 to 5 carbon atoms or cycloalkyi of 3,5 or 6 carbon atoms monosubstituted by alkyl of 1 or 2 carbon atoms.
Especially preferred are those compounds of formula laa, which are substituted by cyano in the 2-or 3-position, those,which have a tert.butyl radical attached to the nitrogen atom of the side chain and those,wherein R* ls alkyl of 4 to 8 carbon atoms, preferably tert, butyl or n-octyl, or R* is phenyl or phenyl monosubstituted by fluorine, preferably in the 4 position.
Most especially preferred are 4-(3-tert.butylamino-2-piva15 loyloxypropoxy)thieno(3,2-c)pyridine-2-carbonitrlle, 4- (3-?tert.butylamino-2-nonanoyloxypropoxy) thieno(3,2-c)pyridine-3-carbonitrile,fcl-tert. butylamino-3- (3-cyano-thieno [3,2-c]pyridln2-4-yloxy)-2propy4 hydrogen succinate and 4-(3-tert.butylamino20 2~(p-fluorobenzoyloxy) propoxythieno[3,2-c)pyridine3-carbonitrile.
Preferred compounds of formula Ib are compounds of formula Ibb, Oil Ibb wherein R| is as defined above and R11 is alkyl of 3 to 5 carbon atoms, cycloaikyl of to 5 carbon atoms monosubstituted by alkyl of 1 or 2 carbon atoms, phenylalkyl of 8 to 10 carbon atoms or phenylalkyl of 8 to 10 carbon atoms monoor disubstituted in the phenyl radical by alkoxy of 1 or 2 carbon atoms.
Especially preferred are those comsounds of formula Ibb, which axe substituted by cyano in the 2-or 3-position, those, which have attached to the nitrogen atom of the side chain a phenylalkyl group of 8 to 10 carbon atoms disubstituted in the phenyl radical by alkoxy of 1 or 2 carbon atoms, preferably di15 substituted in the 3 and 4 position&Most especially preferred is 4-[3-(3,4-dimethoxyphenethylamino)-2-hydroxypropoxy ] thieno(3,2- c)pyridine-2-carbon!trile.
The compounds of formula I may be administered ln free form or in pharmaceutically acceptable acid addition salt 2o form. Such salt forms exhibit the same order of activity as the free forms and are readily prepared in conventional manner. The present invention also provides a pharmaceutical composition comprising a compound of formula I, in free form or in pharmaceutically acceptable acid addition salt form,in association with a pharmaceutical carrier or diluent. Such compositions may be in the form of, for example, a solution or a tablet.
Claims (26)
1. A process for the production of a compound of formula ’I wherein R 1 ls (1) hydrogen or alkyl of 1 to 4 carbon atoms, - qj. (11) chlorine or bromine, in the
2. ,3 or 7 position, or (iii) fluorine, cyno or COOB, wherein B is alkyl of 1 to 4 carbon atoms, in the 2 or 3 position. R 2 is (i) hydrogen or alkyl of 1 to 4 carbon Atoms t — or (ii) chlorine or bromine, in the 2,3 or 7 position, or (ill) fluorine, in the 2 or 3 position, R 3 1s hydrogen or a group -COR., wherein 4443» 17 R^ is alkyl of 1 to 17 carbon atoms, phenyl, phenyl monosubstituted by nitro, phenyl mono- or disubstituted by alkyl of 1 to 4 carbon atoms or halogen with an atomic 5 number of 9 to 35, phenyl mono-, di- or trisubstituted by alkoxy of 1 to 4 carbon atoms, or a group D-COOIl, wherein D is ethylene or trimethylene, and R is phenylalkyl of 8 to 10 carbon atoms, phenyl10 alkyl of 8 to 10 carbon atoms monosubstituted in the phenyl radical by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or halogen with an atomic number of 9 to 35, or phenylalkyl of 8 to 10 carbon atoms disubsti15 tuted in the phenyl radical by alkoxy of 1 to 4 carbon atoms, the phenyl ring of each of the phenylalkyl radicals being separated by at least 2 carbon atoms from the nitrogen atom, to which R is bound and, when Rj is a group 20 -COR^, R alternatively is alkyl of 3 to 7 carbon atoms, cycloalkyl of 3 to 7 carbon atcms, cycloalkyl of 3 to 7 carbon atoms monosubstltutcd by alkyl of 1 to 4 carbon atoms, r»-d.lalky lpropinyl of 5 to 9 carbon atoms, a-dialkyl25 allyl of 5 to 9 carbon atoms, or pbenoxyalkyl , of 8 to 11 carbon atoms, the oxygen atom of the phenoxyalkyl radical being separated by at least two carbon atoms from the nitrogen atom to which R is bound, - 18 with the general proviso that, when R^ is cyano or COOD, R 2 is other than fluorine, chlorine or bromine, in the 2- pr 3-position, which comprises a) for· the production of a coinpound of formula la wherein R, R^, R^ mid R^ ate as defined above, esterifying a compound of formula lb OH 10 wherein R, R^ and R^ are as defined above, or b) for the production of a compound of formula lb, substituting a compound of formula II II - 19 wherein R^ and Rj are aa defined above and X ls a leaving group, with a group of formula III OH I -OCH,CHCII,N||-R 2 2 III wherein R is as defined above. 5 2. A process for the production of a compound of formula I, as stated in claim 1, substantially as hereinbefore deacrlbed with reference to any one of the Examples.
3. A compound of formula I, whenever produced by 10 a process according to claim 1 or 2.
4. A compound of formula I, as defined in claim 1.
5. A compound of claim 4, wherein R is tert.butyl.
6. A canpound of claim 4, wherein R is 3,4-dimethoxyphenethyl. 15
7. A canpound of claim 5, wherein R x , Rj and Rj are,respectively, 3-cyano, hydrogen and nonanoyl.
8. A canpound of claim 5, wherein R x , Rj and R 3 are,respectively, 3-cyano, hydrogen and 20 -COCHjCHjCOOH . *4438
9. A compound of claim 5, wherein Rp R 2 and R 3 are,respectively, 3-bromo, hydrogen and benzoyl.
10. A compound of claim 5, wherein R 1# r 2 and R 3 are,respectively, 3-bromo, hydrogen and 5 pivaloyl.
11. A compound of claim 5, wherein R x , R 2 and R 3 are«respectively, 2-cyano, hydrogen and pivaloyl.
12. A compound of claim 5, wherein R and R 3 10 are,respectively, 3-cyano, hydrogen and benzoyl.
13. A compound of claim 5, wherein Rp R 2 and Rj are.respectively, 6-methyl, hydrogen and pivaloyl.
14. A compound of claim 5, wherein R 3 , R 2 and R 3 15. Are, respectively, 3-bromo, 2-methyl and pivaloyl.
15. A compound of claim 5, wherein R 1# R 2 and R 3 are. respectively, 3-bromo, 2-methyl and 3,4,5trimethoxybenzoyl. 20
16. A compound of claim 5, wherein Rp R 2 and R 3 are,respectively, 3-cyano, hydrogen and pivaloyl. 21
17. A compound of claim 5, wherein Rj, R 2 and R 3 are,respectively, 3-cyano, hydrogen and 4fluorobenzoyl.
18. A compound of claim 5, wherein Rj, R 2 and R 3 5 are,respectively, 3-brcmo, 2-methyl and benzoyl
19. A compound of claim 5, wherein Rj, R 2 and R 3 are,respectively, 3-cyano, hydrogen and 3,4,5trimethoxybenzoy1.
20. A compound of claim 6, wherein Rj, R^ and R^ 10 are, respectively, 2-cyano, hydrogen and hydrogen.
21. A compound of claim 4, wherein Rj is hydrogen, chlorine, bromine, cyano or alkyl and R 2 is hydrogen or alkyl. 15
22. A compound of claim 21, wherein R. is -CH 2 -CH 2 -C00H. .
23. A compound of claim 21, wherein Rj and R are, independently, alkyl.
24. A compound according to any one of claims 3 to 20 23, in free form.
25. A compound according to any one of claims 3 to 23, in acid addition salt form. <4438
26. A pharmaceutical composition comprising a compound according to any one of claims 3 to 20 ln free form or in pharmaceutically acceptable add addition salt form, ln association with a 5 pharmaceutical carrier or diluent.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH153076A CH619956A5 (en) | 1976-02-09 | 1976-02-09 | Process for the preparation of novel thieno[3,2-c]pyridine derivatives |
Publications (2)
Publication Number | Publication Date |
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IE44438L IE44438L (en) | 1977-08-09 |
IE44438B1 true IE44438B1 (en) | 1981-12-02 |
Family
ID=4212597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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IE254/77A IE44438B1 (en) | 1976-02-09 | 1977-02-07 | Improvements in or relating to thienopyridines |
Country Status (21)
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JP (1) | JPS5297995A (en) |
AT (1) | AT363088B (en) |
AU (1) | AU512534B2 (en) |
BE (1) | BE851180A (en) |
CA (1) | CA1078844A (en) |
CH (2) | CH619956A5 (en) |
DE (1) | DE2703888A1 (en) |
DK (1) | DK42077A (en) |
ES (1) | ES455701A1 (en) |
FI (1) | FI770320A (en) |
FR (1) | FR2340320A1 (en) |
GB (1) | GB1570328A (en) |
IE (1) | IE44438B1 (en) |
IL (1) | IL51396A (en) |
NL (1) | NL7701179A (en) |
NZ (1) | NZ183267A (en) |
PH (1) | PH13659A (en) |
PT (1) | PT66166B (en) |
SE (1) | SE7700962L (en) |
SU (1) | SU683624A3 (en) |
ZA (1) | ZA77742B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS53153946U (en) * | 1977-05-10 | 1978-12-04 | ||
FR2452490A1 (en) * | 1979-03-30 | 1980-10-24 | Sanofi Sa | 2-Hydroxy-3-aminopropoxy thieno-pyridine derivs. - useful as antiinflammatories, beta blockers and antiarrhythmics for human and veterinary medicine |
GB0525164D0 (en) | 2005-12-09 | 2006-01-18 | Xention Discovery Ltd | Compounds |
-
1976
- 1976-02-09 CH CH153076A patent/CH619956A5/en not_active IP Right Cessation
-
1977
- 1977-01-31 DE DE19772703888 patent/DE2703888A1/en not_active Withdrawn
- 1977-01-31 FI FI770320A patent/FI770320A/fi not_active Application Discontinuation
- 1977-01-31 SE SE7700962A patent/SE7700962L/en not_active Application Discontinuation
- 1977-02-01 DK DK42077A patent/DK42077A/en unknown
- 1977-02-04 NL NL7701179A patent/NL7701179A/en not_active Application Discontinuation
- 1977-02-07 IE IE254/77A patent/IE44438B1/en unknown
- 1977-02-07 PT PT66166A patent/PT66166B/en unknown
- 1977-02-07 IL IL51396A patent/IL51396A/en unknown
- 1977-02-07 NZ NZ183267A patent/NZ183267A/en unknown
- 1977-02-07 BE BE174734A patent/BE851180A/en unknown
- 1977-02-07 CA CA271,181A patent/CA1078844A/en not_active Expired
- 1977-02-07 PH PH19422A patent/PH13659A/en unknown
- 1977-02-07 ES ES455701A patent/ES455701A1/en not_active Expired
- 1977-02-08 FR FR7703432A patent/FR2340320A1/en active Granted
- 1977-02-08 JP JP1219677A patent/JPS5297995A/en active Pending
- 1977-02-08 AT AT0080977A patent/AT363088B/en not_active IP Right Cessation
- 1977-02-08 GB GB5104/77A patent/GB1570328A/en not_active Expired
- 1977-02-09 SU SU772451699A patent/SU683624A3/en active
- 1977-02-09 ZA ZA00770742A patent/ZA77742B/en unknown
- 1977-02-09 AU AU22136/77A patent/AU512534B2/en not_active Expired
-
1980
- 1980-01-30 CH CH75580A patent/CH622796A5/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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PT66166A (en) | 1977-03-01 |
BE851180A (en) | 1977-08-08 |
ZA77742B (en) | 1978-09-27 |
AU512534B2 (en) | 1980-10-16 |
IL51396A (en) | 1980-02-29 |
NZ183267A (en) | 1979-04-26 |
SE7700962L (en) | 1977-08-10 |
DK42077A (en) | 1977-08-10 |
FR2340320A1 (en) | 1977-09-02 |
NL7701179A (en) | 1977-08-11 |
IE44438L (en) | 1977-08-09 |
CA1078844A (en) | 1980-06-03 |
CH622796A5 (en) | 1981-04-30 |
DE2703888A1 (en) | 1977-08-11 |
ES455701A1 (en) | 1978-04-16 |
FI770320A (en) | 1977-08-10 |
AU2213677A (en) | 1978-08-17 |
AT363088B (en) | 1981-07-10 |
JPS5297995A (en) | 1977-08-17 |
GB1570328A (en) | 1980-06-25 |
PT66166B (en) | 1978-10-13 |
ATA80977A (en) | 1980-12-15 |
SU683624A3 (en) | 1979-08-30 |
CH619956A5 (en) | 1980-10-31 |
IL51396A0 (en) | 1977-04-29 |
PH13659A (en) | 1980-08-21 |
FR2340320B1 (en) | 1980-03-14 |
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