EP0214209A1 - Derives aminoalcools peptidiques inhibiteurs de la renine et des proteases acides, leur procede de preparation, et leur application en therapeutique - Google Patents
Derives aminoalcools peptidiques inhibiteurs de la renine et des proteases acides, leur procede de preparation, et leur application en therapeutiqueInfo
- Publication number
- EP0214209A1 EP0214209A1 EP86901417A EP86901417A EP0214209A1 EP 0214209 A1 EP0214209 A1 EP 0214209A1 EP 86901417 A EP86901417 A EP 86901417A EP 86901417 A EP86901417 A EP 86901417A EP 0214209 A1 EP0214209 A1 EP 0214209A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- substituted
- lower alkyl
- amino
- phenyl
- Prior art date
- 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.)
- Withdrawn
Links
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- 239000002253 acid Substances 0.000 title claims description 18
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- 239000003112 inhibitor Substances 0.000 title abstract description 7
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- 125000000217 alkyl group Chemical group 0.000 claims description 46
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- 150000001413 amino acids Chemical class 0.000 claims description 28
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 23
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- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 4
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/02—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link
- C07K5/0227—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link containing the (partial) peptide sequence -Phe-His-NH-(X)2-C(=0)-, e.g. Renin-inhibitors with n = 2 - 6; for n > 6 see C07K5/06 - C07K5/10
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/02—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link
- C07K5/0205—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link containing the structure -NH-(X)3-C(=0)-, e.g. statine or derivatives thereof
Definitions
- Amino derivative peptide inhibitors of renin and acid proteasos the method of preparation, and their application in therapy.
- the present invention relates to new peptide-inhibitor derivatives of renin and more generally acid proteases. It also relates to a process for obtaining them and applying them in therapy.
- statin an unusual amino acid, (3S, 4S) amino-4-hydroxy-3-methyl-6 heptanoic acid.
- Pepstatin has been shown to be an inhibitor of acidic proteases and acts in particular on pepsin, cathepsin D and renin.
- renin an enzyme of renal origin, is involved in the angiotensinogen sequence, angiotensin I, angiotensin II at the level of the transformation of angiotensinogen into angiotensin.
- Angiotensin II being a powerful vasoconstrictor agent, intervenes in the regulation of blood pressure. Consideration has been given to using pepstatin to control high blood pressure in humans. However, since pepstatin acts on all of the acid proteases and having a low solubility in an aqueous medium and a low affinity for renin, its use in therapy has proved difficult. Pepstatin derivatives have been described in the scientific literature. For example, attempts have been made to dissolve pepstatin by lengthening the peptide chain (J. Cardiovasc. Pharmacol., 1980, 2, 687-698).
- the present invention relates to peptides having a high level of activity as inhibitors of renin and other acidic proteases.
- Sta Statin: 4-amino-3-hydroxy-6-methyl-heptanoic acid
- AHPPA 3-aminoM hydroxy-5-phenyl pentanoic acid
- ACHPA 4-amino-5-cyclohexyl-hydroxy 3-pentanoic acid
- Sta, AHPPA and ACHPA are, unless otherwise indicated, in 3S, 4S configuration.
- DIPEA Diisopropylethylamine
- NEM N-ethyl morpholine
- NMM N-methyl morpholine
- R1 represents an acyl group selected from alkylcarbonyl, alkoxycarbonyl, arylcarbonyl, arylalkylcarbonyl, arylalkoxycarbonyl, heterocyclylcarbonyl, heterocyclylalkylcarbonyl, in which the alkyl group is optionally substituted by hydroxy, hcierocyolylcarbonylalkylcarbonyle, hcierocyclylalcénylcarbonyle, cycloalkylcarbonyl group or a (lower alkyl) sulfonyl not substituted or substituted on the alkyl by a free amino group or carrying a protective group or by a phenyl; or a phenylsulfonyl group which is unsubstituted or substituted on the phenyl ring with lower alkyl;
- - R2 represents a lower alkyl group unsubstituted or substituted by a phenyl, naphthyl, cyclohexyl, or pyridyl
- - R3 represents hydrogen, lower alkenyl, phenyl, naphthyl, cycloalkyl containing 3 to 6 carbon atoms, a 5- or 6-membered monocyclic heterocyclic group unsubstituted or substituted with lower alkyl or trifluoromethyl, or alternatively a lower alkyl unsubstituted or substituted by a free amino group or carrying a protective group, by a di (lower alkyl) amino group, by a free carboxyl or esterified with lower alkyl or benzyl, by a free carbamoyl or substituted with one or two lower alkyls or with a phenyl, by a hydroxy, lower alkoxy or benzyloxy group, by a pyridylmethyloxy
- - Q represents isopropyl, phenyl or cyclohexyl forming respectively with the radical the residue of the amino acid Sta, or AHPPA or ACHPA;
- - X is either a direct bond, or the residue of an amino acid such as Ala, Nva, Val, Leu, Nie, Ile, Phg, Abu, Cpg; - R4 represents hydrogen or a lower alkyl unsubstituted or substituted by an indolyl, pyridyl, imidazolyl or phenyl radical;
- R5 represents an alkyl group of 3 to 20 carbon atoms unsubstituted or substituted by a phenyl, cyclohexyl, hydroxyphenyl group, the said alkyl group containing at least one hydroxyl group and optionally an amino group, in said alkyl group all the atoms of carbon being bound to at least one hydrogen atom;
- R4 and R5 taken together represent a 1,4 butylene or 1,5 pentylene group substituted by one or more hydroxyl or lower hydroxyalkyl groups,
- R4 represents hydrogen and X is other than a direct bond or one of the residues Cpg, Phg
- either R1 is other than an alkylcarbonyl, alkoxycarbonyl, arylcarbonyl, aryalkylcarbonyl, arylalkoxycarbonyl or cycloalkylcarbonyl group
- either R3 is other than a lower alkyl unsubstituted or substituted by a free amino group or carrying a protective group, by a carboxyl group, by a hydroxy group, by a lower alkylthio group, by a phenyl, by a naphthyl, by an imidazolyl -4; as well as their optional pharmaceutically acceptable salts with mineral or organic acids or alkali or alkaline earth metals.
- the preferred products according to the present invention have the formula (I) above in which R5 contains from 1 to 3 hydroxyl groups. Particularly the products according to the present invention are of formula (I) above in which R5 represents:
- - Alk represents methylene, ethylene, a lower alkylidene group unsubstituted or substituted in the omega position by a free amino group or carrying a protective group, a benzylidene or a 2-cyclohexylethylidene group or a 2-phenylethylidene group unsubstituted or substituted on the nucleus phenyl with a hydroxyl;
- Alk can not be other than methylene or ethylene when R4 is other than hydrogen
- - p represents an integer between zero and 5 * - R6 represents hydrogen or lower alkyl
- p is as defined above;
- R7 represents hydrogen, a lower alkyl unsubstituted or substituted by a free amino group or carrying a protective group
- alkyl designates the radicals of aliphatic hydrocarbons, saturated or unsaturated containing from 1 to 10 carbon atoms, the preferred alkyl groups, are lower alkyls as defined below.
- lower alkyl refers to radicals of saturated or unsaturated aliphatic hydrocarbons containing up to 6 carbon atoms.
- lower alkoxy and lower alkylthio represent the hydroxyl and thiol groups substituted by a lower alkyl group as defined above.
- the term "5- or 6-membered monocyclic heterocycle” includes pyrrolidine, imidazole, thiazole, thiophene, furan, pyrrole, triazole, oxazole, isoxazole, pyridine, thiadiazoles.
- protecting group is meant a protecting group normally used in peptide chemistry, for example Boc, Z or iVa.
- acyl group used for the definition of R1 includes residues of aliphatic, alicyclic, aromatic or heterocyclic carboxylic acids.
- Preferred acyl groups are the residue of esterified carbonic acid, in particular the Boc and 2 groups, the residue of alkanoic acids containing from 2 to 6 carbon atoms, in particular the iVa group, the residue of cyclohexylcarboxylic acid, residue of phenylaliphatic acids, in particular the phenylacetyl, 3-phenylpropionyl, dibenzylacetyl groups, the residue of arylcarboxylic acids, such as naphthoic acid, biphenyl carboxylic acid and unsubstituted or substituted benzoic acid on the phenyl ring, in particular the group benzoyl, the residue of a carboxylic acid whose carboxyl is linked to a 5 or 6-membered monocyclic heterocycle, in particular the picolinoyl, nicotinoy
- R1, R2, R3, R4, R5 and Q are as defined above and R3 is such that the residue NH-CH (R3) -CO- represents the residue (tauMe) His.
- the invention refers to a process for the preparation of the peptide amino alcohol derivatives of formula I above, characterized in that an amino alcohol of formula is treated:
- W is a protective group or hydrogen and R4 and R5 are as defined above and whose hydroxyl groups are optionally protected, with the lower alkyl ester of the amino acid of formula:
- the amino acid to be introduced into the sequence has a function capable of reacting in its side chain, it should be blocked by a suitable protective group which is subsequently eliminated.
- the protection of the N-terminal amino acid by the group R1 is carried out according to known methods, ie before the coupling of the residue
- this unnatural amino acid is prepared according to known methods. It is then coupled with the following amino acid according to the usual method.
- the amino alcohol portion can be prepared by various methods.
- One method (method 1) consists in coupling a suitably chosen amino alcohol with the desired amino acid.
- the amino alcohol chosen is not commercially available, it can be prepared by reduction of the corresponding amino acid ester.
- it is also possible to prepare the aminodiol derivatives 1, 2 from protected amino acids N (method 2) or to operate by condensation of an amine on an epoxy propanol or on an optically active glycerol derivative to obtain the dihydroxylated secondary amines, when R 4 is not hydrogen (method 3).
- deprotection can be carried out subsequently.
- aminodiol derivatives 1, 2 obtained from the amino acids are synthesized according to the method described in J. Chem. Soc. Chem. Comm., 1979, 875: the amino acid protected, for example by Boc or Z, is transformed into diazoketone, then treated with trifluoroacetic acid and reduced with sodium borohydride.
- W represents a protective group and R represents an amino acid residue.
- Diols can be obtained by this method, for example from the following protected amino acids: leucine, phenylalanine, lysine.
- the chirality of alpha carbon is preserved by this process; however the reduction with sodium borohydride provides the 2 secondary epimer alcohols which can either be separated, for example by chromatography on silica gel, or used as a mixture for the subsequent reactions and separated in a subsequent stage of the synthesis.
- Method 3 The diols 1, 2 derived from the N-substituted linear aminopropanediols are obtained by condensation of an amine on the racemic 1,2-propanol epoxy. The precursor aminodiol derivatives of compound (I) are then in racemic form.
- R4 has the meaning given above.
- the coupling with a protected amino acid can be carried out on the acetonide before or after the hydrolysis; after deprotection, the aminodiol derivative of the desired configuration is obtained:
- the linear aminodiol derivatives 1, 3 are obtained by reduction of beta hydroxy esters with a boron hydride, such as, for example, excess sodium tetraborohydride, in a hydroxylic solvent at a temperature between 0 and 60 ° C. Dipeptides or polypeptides which contain a terminal statin in the form of an ester can also be reduced in this way.
- a boron hydride such as, for example, excess sodium tetraborohydride
- Dipeptides or polypeptides which contain a terminal statin in the form of an ester can also be reduced in this way.
- N-substituted linear aminodiol derivatives 1, 3 it is possible to first prepare the aminodiol derivatives 1, 2 of determined configuration using methods known per se, for example from an optically active derivative of glycerol such as acetonide of (R) tosyl-3 propanediol-1,2.
- the compounds of the present invention have, like pepstatin, a marked inhibitory action on acid proteases; in particular, they have a very important inhibitory action on human plasma renin activity and, in general, clearly superior to that of the natural product: pepstatin.
- the products according to the invention have been studied with regard to their therapeutic properties and in particular their enzymatic inhibitory action. More particularly, the compounds were evaluated "in vitro" on the inhibition of Human Plasma Renin activity (A.R.P.). I - EVALUATION METHOD.
- the evaluation method is inspired by GUYENE (J. clin. Endocrinol. Metab., 1976, 43, 1301).
- the inhibition of ARP is evaluated from a pool of human plasmas, rich in renin (15 to 20 mg of angiotensin I released per milliliter and per hour), incubated for 60 minutes at 37 ° C., in a phosphate buffer at pH 7.4, in the presence of increasing concentrations of the product to be studied.
- Human plasma contains the substrate: angiotensinogen and the enzyme: renin.
- the angiotensin I released during the reaction is measured by radioimmunoassay: Plasma Renin Activity Kit from Travenol (n ° CA 533,553).
- a converting enzyme inhibitor, phenylmethylsulfonyl fluoride (PMSF) is added to the incubation medium.
- the total incubation volume is 555 microliters distributed as follows:
- a solution of acetic acid in methanol (19/1 by volume) and a solution of sodium hydroxide (IN) in methanol (2/1 by volume) are prepared.
- a 0.001 M stock solution is prepared, of the product to be studied.
- Subsequent dilutions are then made in phosphate buffer. The amount of solvent present in a solution does not interfere with the results.
- results are expressed by the dose of compound evaluated in moles which inhibits by 50% (IC50) the Human Plasmic Renin activity observed in the absence of inhibitor.
- IC50 Human Plasmic Renin activity observed in the absence of inhibitor.
- results obtained with various products of the invention are shown in the following table 1 where the IC50s of each molecule appear as regards their inhibition of the Human Plasmatic Renin Activity at pH 7.4. 5-10 doses were required to determine these IC50s.
- Pepstatin, as a reference substance, is always tested in parallel in each experiment. The results are expressed by their logarithmic value (-Log IC50).
- the toxicity of the products according to the invention is compatible with their use in therapy.
- the subject of the present invention is, according to another of its aspects, the pharmaceutical compositions or antihypertensive drugs containing the peptides of formula (I) or their pharmaceutically acceptable salts as active principles.
- the amino peptide alcohols of the present invention can be used in therapy by injection. intravenous, intramuscular or subcutaneous. They are used in a solvent such as physiological saline (isotonic saline solution) or in a buffer such as phosphate buffer; they can also be suspended in a diluting agent, aqueous or non-aqueous, pharmaceutically acceptable. Each dosage unit can contain from 1 to 1000 mg of active ingredient.
- the indicated melting points (Fc) are measured at the capillary tube.
- the rotation indices (alpha D) are measured at 25 ° C.
- the product is dissolved in CH2Cl2 or mixed with KBr to form a pellet.
- nuclear magnetic resonance (NMR) spectra are recorded at 250 MHz in solution in DMSO, the internal standard being hexamethyldisiloxane.
- . H ar means aromatic H
- H im means H imidazolic; .
- H pyr means H of pyridine; .
- H (reduced Sta) means H of 4-amino-6 methyl-heptanediol 1,3 of 3R, 4S or 3S, 4S configuration; . approx. means approximately.
- the .aminodiol derivative is prepared according to method 3.
- Boc-Ala-OH (586 mg) in CH2Cl2 containing triethylamine (320 mg) and cooled by brine (internal temperature approximately -10 ° C.), isobutyl chloroformate (421 mg) is added and stir 45 minutes. Then added 760 mg of the preceding product, continues to stir for 3 hours at 0 ° C and allowed to return to RT 48 hours. It is taken up in water, decanted, washed with a NaHCO3 solution, dried and concentrated. An oil is obtained which is chromatographed on silica. The AcOEt-MeOH mixture at 90/10 in eluted volume, the expected product in the form of an oil.
- Boc-Nle-Sta-OCH3 peptide (800 mg) is treated at 0 ° C. for 10 minutes in TFA (8 ml) and then the excess solvent is evaporated at RT under the vacuum of B ⁇ chi rotavapor.
- a solution prepared in CH2Cl2 (15 ml), Boc-Phe-ONp (924 mg), HOBt (384 mg) and NMM (400 mg) then brings the pH of the reaction medium to 7 by addition of additional NMM. After 24 hours, the mixture is evaporated to dryness, water is added, AcOEt extract, the organic phase is washed with a solution of KHSO4, several times with a solution of Na2CO3, with saline water, then dried (MgSO4). After evaporation of the solvent and filtration on silica gel (eluent pentane-ethyl acetate 4/6 by volume), the expected compound is isolated in the form of a white powder. Yield 69%.
- This compound is prepared using method 2 from 2,3-epoxy propanol.
- This compound is prepared according to step 3 of Example 2, by coupling with Boc-Alanine of the product previously obtained. After drying (MgSO4) and evaporation, an oil is isolated which is chromatographed on silica gel. The expected compound is eluted with the CH2Cl2 / AcOEt mixture (7/3 by volume) in the form of an oil.
- This compound is prepared by operating as in Example 1 by coupling with the desired polypeptide suitably protected.
- NMR compares to that of SR 43 094 but many peaks are split or not resolved.
- the preceding compound (220 mg) is dissolved for 15 minutes by TFA at 0 ° C. After cold evaporation of the excess acid on a Buchi rotary evaporator, the residue is dissolved in CH2Cl2 and neutralized under cold conditions with DIPEA. A solution prepared from Boc-Phe-Nle-Sta-OH (311 mg), Bop (257 mg) containing diisopropylamine in CH2Cl2 is then added and the mixture is stirred for 18 hours at RT.
- This product is prepared from the ester obtained in the previous step, operating according to method 4.
- the 1,2-aminodiol derivative is prepared according to method 3.
- step 3 Condensation of the previous acid with lee prepared in Example 2, step 3, provides the expected peptide which is purified by chromatography on silica gel, eluting with the AcOEt-MeOH mixture at 4/1 by volume.
- This compound is prepared by reducing Boc-Val-Sta-OCH3.
- NaBH4 160 mg
- 100% ethanol 8 ml
- the solid Boc-Val-Sta-OCH3 dipeptide 370 mg is added and stirred for 270 minutes at RT, then brought to 45 ° C. for 30 minutes
- the reaction is followed by TLC on silica plates, water is then added (1 vol) and then acidified with care by a solution of KHSO4, the ethanol is evaporated under vacuum at 40 °.
- the preparation of the aminodiol derivative is then carried out as follows:
- This product is prepared according to the usual coupling methods.
- the SR 43195 prepared in Example 7 (53 mg) is solubilized in MeOH (20 ml) in the presence of NaBH4 (25 mg).
- NaBH4 25 mg
- KHSO4 is added up to pH 3
- NaHCO3 up to pH 8.
- MeOH is evaporated, then the medium is taken up in water and then in AcOEt.
- This compound is prepared by following method 3 as described in Example 2, steps 1 and 2.
- the preceding compound (1.3 g) is treated at 0 ° C with TFA (12 ml) for 15 minutes.
- the salt obtained after evaporation plus CH2Cl2 is neutralized by a slight excess of NMM, and a CH2Cl2 solution of Boc-Ala (ONSu) (1.5 g) and HOBt (800 mg) is added.
- the mixture is stirred at RT for 48 hours while maintaining the pH around 7 by addition of additional NMM.
- the medium is then washed with a solution of NaHCO3 then with a solution of KHSO4, water, then dried (MgSO4) and evaporated.
- the residue is chromatographed on silica gel (eluent AcOEt-MeOH, 8/2 by volume).
- This aminodiol derivative can also be prepared directly by reduction of Boc-Ala-Sta-OCH3.
- NaBH4 160 mg
- 100% ethanol 8 ml
- the solid Boc-Ala-Sta-OCH3 dipeptide 370 mg
- the reaction is monitored by TLC on silica plates.
- water (1 vol) then carefully acidify with a solution of KHSO4, evaporate the ethanol under vacuum at 40 ° C and extract with 4 volumes of AcOEt, wash with water, saline and dry (MgSO4).
- MgSO4 eluent AcOEt-MeOH at 9/1 by volume
- This compound is prepared from
- the compound prepared in step 4 is hydrolyzed and then coupled after acidification of the salt of the carboxylic acid with the diol prepared in step 2, to obtain the expected product.
- This compound is prepared following the usual methods.
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Abstract
Description
Claims
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8502763 | 1985-02-26 | ||
| FR8502763A FR2577931B1 (fr) | 1985-02-26 | 1985-02-26 | Derives aminodiols peptidiques inhibiteurs de la renine et des proteases acides, leur procede de preparation et leur application en therapeutique |
| FR8511728 | 1985-07-31 | ||
| FR8511728A FR2585708B1 (fr) | 1985-07-31 | 1985-07-31 | Derives aminoalcools peptidiques inhibiteurs de la resine et des proteases acides, leur procede de preparation et leur application en therapeutique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0214209A1 true EP0214209A1 (fr) | 1987-03-18 |
Family
ID=26224394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP86901417A Withdrawn EP0214209A1 (fr) | 1985-02-26 | 1986-02-25 | Derives aminoalcools peptidiques inhibiteurs de la renine et des proteases acides, leur procede de preparation, et leur application en therapeutique |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0214209A1 (fr) |
| KR (1) | KR860006487A (fr) |
| AU (1) | AU587426B2 (fr) |
| DK (1) | DK89286A (fr) |
| ES (1) | ES8900018A1 (fr) |
| GR (1) | GR860532B (fr) |
| NZ (1) | NZ215282A (fr) |
| PT (1) | PT82077B (fr) |
| WO (1) | WO1986004901A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668663A (en) * | 1984-03-27 | 1987-05-26 | Merck & Co., Inc. | Renin inhibitors containing homophe8 |
| CA1290097C (fr) * | 1985-07-24 | 1991-10-01 | Merck & Co., Inc. | Inhibiteurs d'enzymes de type peptide |
| IL83663A0 (en) * | 1986-10-27 | 1988-01-31 | Robins Co Inc A H | Preparation of 3-pyrrolidinols |
| NZ222755A (en) * | 1986-12-23 | 1989-11-28 | Warner Lambert Co | Renin inhibiting acyl peptide derivatives containing two to four amino acid residues, and pharmaceutical compositions |
| DE3721855A1 (de) * | 1987-03-12 | 1988-09-22 | Merck Patent Gmbh | Aminosaeurederivate |
| DE4136443A1 (de) * | 1991-11-06 | 1993-05-13 | Boehringer Ingelheim Int | Expression der reifen proteinase 2a, ihre partielle reinigung und bereitstellung kompetitiv wirkender substrate |
| TW536538B (en) | 1998-02-20 | 2003-06-11 | Ortho Mcneil Pharm Inc | Phthalimido arylpiperazines useful in the treatment of benign prostatic hyperplasia |
| EP1346983A3 (fr) * | 1998-02-20 | 2003-12-03 | Ortho-Mcneil Pharmaceutical, Inc. | Phthalimido-arylpiperazines utiles dans le traitement de l'hyperplasie prostatique bénigne en tant qu'antagonistes du récepteur alpha 1A |
| ZA991319B (en) * | 1998-02-20 | 2000-11-20 | Ortho Mcneil Pharm Inc | Novel phthalimido arylpiperazines useful in the treatment of benign prostatic hyperplasia. |
| US9624264B2 (en) | 2012-07-24 | 2017-04-18 | Merck Patent Gmbh | Hydroxystatin derivatives for the treatment of arthrosis |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1245217A (fr) * | 1981-12-10 | 1988-11-22 | Joshua S. Boger | Peptides inhibiteurs de la renine |
| US4595677A (en) * | 1982-12-03 | 1986-06-17 | Ciba-Geigy Corporation | Substituted tetrapeptides |
| US4668663A (en) * | 1984-03-27 | 1987-05-26 | Merck & Co., Inc. | Renin inhibitors containing homophe8 |
| US4636491A (en) * | 1984-03-27 | 1987-01-13 | Merck & Co., Inc. | Renin inhibitory peptides having improved solubility |
| US4661473A (en) * | 1984-03-27 | 1987-04-28 | Merck & Co., Inc. | Renin inhibitors containing peptide isosteres |
| DE3418491A1 (de) * | 1984-05-18 | 1985-11-21 | Merck Patent Gmbh, 6100 Darmstadt | Diaminosaeurederivate |
-
1986
- 1986-02-24 PT PT82077A patent/PT82077B/fr unknown
- 1986-02-25 EP EP86901417A patent/EP0214209A1/fr not_active Withdrawn
- 1986-02-25 WO PCT/FR1986/000060 patent/WO1986004901A1/fr not_active Ceased
- 1986-02-25 NZ NZ215282A patent/NZ215282A/xx unknown
- 1986-02-25 GR GR860532A patent/GR860532B/el unknown
- 1986-02-26 AU AU54100/86A patent/AU587426B2/en not_active Ceased
- 1986-02-26 DK DK89286A patent/DK89286A/da not_active Application Discontinuation
- 1986-02-26 ES ES552407A patent/ES8900018A1/es not_active Expired
- 1986-02-26 KR KR1019860001351A patent/KR860006487A/ko not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8604901A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR860006487A (ko) | 1986-09-11 |
| AU587426B2 (en) | 1989-08-17 |
| ES8900018A1 (es) | 1988-11-16 |
| ES552407A0 (es) | 1988-11-16 |
| GR860532B (en) | 1986-06-24 |
| DK89286A (da) | 1986-08-27 |
| PT82077A (fr) | 1986-03-01 |
| DK89286D0 (da) | 1986-02-26 |
| WO1986004901A1 (fr) | 1986-08-28 |
| AU5410086A (en) | 1986-09-04 |
| NZ215282A (en) | 1989-08-29 |
| PT82077B (fr) | 1987-09-25 |
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Inventor name: WAGNON, JEANLE HAMEAU DE LA RAUZE - VILLA 34 Inventor name: LACOUR, COLETTE Inventor name: GUEGAN, REMY Inventor name: NISATO, DINO |