Novel peptides as inhibitors of hepatitis c virus ns3 serine protease

FIELD: chemistry.

SUBSTANCE: invention claims novel compounds with inhibition effect on HCV (hepatitis C virus) protease, and methods of obtaining the claimed compounds.

EFFECT: pharmaceutical compositions including these compounds, and methods of compound application in treatment of HCV protease related diseases.

23 cl, 5 tbl, 39 ex

 



 

Same patents:

FIELD: chemistry; pharmacology.

SUBSTANCE: present invention refers to bioactive compounds of formula (Ic) , pharmaceutical compositions and application at cancer treatment, where R2-R7, X2, R, Q, G, J, L and M represent values estimated in invention formula and description.

EFFECT: production of compounds which can be used for anticancer medical product.

55 cl, 19 ex

FIELD: chemistry; pharmacology.

SUBSTANCE: present invention refers to bioactive compounds of formula (Ic) , pharmaceutical compositions and application at cancer treatment, where R2-R7, X2, R, Q, G, J, L and M represent values estimated in invention formula and description.

EFFECT: production of compounds which can be used for anticancer medical product.

55 cl, 19 ex

FIELD: medicine; pharmacology.

SUBSTANCE: offered are compositions of formula 1 , where PG represents hydrogen or formyl group. R1 and R2 together with nitrogen atom to which they are attached, form heterocycle chosen from piperidine or morpholine and their pharmaceutically acceptable salts.

EFFECT: high haemostatic activity.

8 ex

FIELD: chemistry, pharmaceutics.

SUBSTANCE: invention relates to immunology. Described is tripeptide-L-Tyrosyl-L-Seryl-L-Valine and its application in pharmaceutical composition and in production of food additive. Discovered is method of relieving state of human disease, where disease is selected from group, which consists of states which can be relieved by stimulation of T-lymphocytes transformation, and fault of cell proliferation, which includes introduction of described pharmaceutical composition. Claimed invention gives short peptides which possess biological activity.

EFFECT: obtaining short peptides which possess biological activity.

8 cl, 5 dwg, 1 tbl, 6 ex

FIELD: organic chemistry, biochemistry.

SUBSTANCE: invention describes heterocyclic compounds represented by the general formula (I): and possessing elastase-inhibitory activity, and intermediate compounds for synthesis of such compounds. In the formula (I) R1 represents heterocyclic group represented by the formula (II): wherein A represents presence or absence of benzene ring; X represents oxygen atom, sulfur atom or -NH; Y represents nitrogen atom or -CH. Indicated heterocyclic group can be substituted with 1-3 substitutes that can be similar or different and they are chosen from group consisting of lower alkyl, lower alkoxy group and phenyl that can be optionally substituted with halogen-containing lower alkyl, lower alkoxy group or halogen atom; each among R2 and R3 represents hydrogen atom or hydroxyl, or R2 and R3 can be combined to form oxo group under condition that both are not hydrogen atoms.

EFFECT: valuable biochemical property of compounds.

8 cl, 7 tbl

FIELD: medicine, biochemistry.

SUBSTANCE: invention describes compounds that inhibit function of NS3-protease encoded by hepatitis C virus.

EFFECT: valuable medicinal properties of inhibitors.

6 cl, 2 tbl, 472 ex

FIELD: biochemistry.

SUBSTANCE: invention relates to method for tripeptide production of formulae Ac-D-2Nal-D-4ClPhe-D-3Pal-OH and Boc-D-2Nal-D-4ClPhe-D-Pal-OH, which represent intermediates for synthesis of LHRH analogs in combination with acceptable heptapeptides in particular P1-Ser(P2)-NMeTyr(P3)-D-Lys(Nic)-Leu-Lys(iPr,P4)-Pro-D-AlaNH2 and P1-Ser(P2)-NMeTyr(P3)-D-Asn-Leu-Lys(iPr,P4)-Pro-D-AlaNH2 heptapeptides.

EFFECT: new synthetic intermediates for LHRH antagonists.

7 cl, 8 ex

FIELD: biotechnology, medicine, oncology.

SUBSTANCE: invention proposes peptide of the structure Tyr-Ser-Leu and a pharmaceutical composition based on thereof that is used for stimulating antitumor immune response. Also, invention proposes methods for treatment of mammal and for modulation of the immune response. Proposed inventions expand assortment of agents used in treatment of cancer diseases.

EFFECT: valuable medicinal properties of peptide and pharmaceutical composition.

20 cl, 48 tbl

FIELD: biotechnology, medicine, oncology.

SUBSTANCE: invention proposes peptide of the structure Tyr-Ser-Leu and a pharmaceutical composition based on thereof that is used for stimulating antitumor immune response. Also, invention proposes methods for treatment of mammal and for modulation of the immune response. Proposed inventions expand assortment of agents used in treatment of cancer diseases.

EFFECT: valuable medicinal properties of peptide and pharmaceutical composition.

20 cl, 48 tbl

FIELD: synthesis of biologically active compounds.

SUBSTANCE: invention provides 1,5-benzothiazepines of general formula I (formulae presented below), in which Rv and Rw are independently selected from hydrogen and C1-C5-alkyl; one of Rx and Ry represents hydrogen or C1-C6-alkyl and the other hydroxy or C1-C6-alkoxy; Rz is selected from halogen, nitro, cyano, hydroxy, amino, carboxy, carbamoyl, mercapto, sulfamoyl, C1-C6-alkyl, and other residues indicated in claim 1 of invention; v is a number from 0 to 5; one of R4 and R5 represents group of general formula IA; R3 and R6 and the second from R4 and R5 are independently selected from hydrogen, halogen, nitro, cyano, hydroxy, amino, carboxy, carbamoyl, mercapto, sulfamoyl, C1-C6-alkyl, and other residues indicated in claim 1; R3 and R6 and the second from R4 and R5 being optionally substituted by one or several R16 groups at their carbon atoms; D represents -O-, -N(Ra)-, -S(O)b- or -CH(Ra)-, wherein Ra is hydrogen or C1-C6-alkyl; and b=0-2; ring A represents aryl or heteroaryl and is optionally substituted by one or several substituents selected from R17; R7 represents hydrogen, C1-C4-alkyl, carbocyclyl, or heterocyclyl and is optionally substituted by one or several substituents selected from R18; R8 represents hydrogen or C1-C4-alkyl; R9 represents hydrogen or C1-C4-alkyl; R10 represents hydrogen or C1-C4-alkyl, carbocyclyl, or heterocyclyl and is optionally substituted by one or several substituents selected from R19; R11 represents carboxy, sulfo, sulfino, phosphono, tetrazolyl, -P(O)(ORc)(ORd), -P(O)(OH)(ORc), -P(O)(OH)(Rd), or -(O)(ORc)(Rd), wherein Rc and Rd are independently selected from C1-C6-alkyl; or R11 represents group of general formula IB, in which X is -N(Rq)-, N(Rq)C(O)-, -O-, or -S(O)a, wherein a=0-2; and Rq is hydrogen or C1-C4-alkyl; R12 represents hydrogen or C1-C4-alkyl; R13 and R14 are independently selected from hydrogen, C1-C4-alkyl, carbocyclyl, heterocyclyl, or R23, of which C1-C4-alkyl, carbocyclyl, heterocyclyl, or R23 can be optionally independently substituted by one or several substituents selected from R20; R15 represents carboxy, sulfo, sulfino, phosphono, tetrazolyl, -P(O)(ORe)(ORf), -P(O)(OH)(ORe), -P(O)(OH)(Re), or -P(O)(ORe)(Rf), wherein Re and Rf are independently selected from C1-C6-alkyl; or R15 represents group of general formula IC, in which R24 is selected from hydrogen and C1-C4-alkyl; R24 is selected from hydrogen, C1-C4-alkyl carbocyclyl, heterocyclyl, and R27, of which C1-C4-alkyl, carbocyclyl, heterocyclyl, or R27 can be optionally independently substituted by one or several substituents selected from R28; R26 is selected from carboxy, sulfo, sulfino, phosphono, tetrazolyl, -P(O)(ORg)(ORh), -P(O)(OH)(ORg), -P(O)(OH)(Rg), or -P(O)(ORg)(Rh), wherein Rg and Rg are independently selected from C1-C6-alkyl; p=1-3; wherein meanings for R13 can be the same or different; q=0-1; r=0-3; wherein meanings for R14 can be the same or different; m=0-2; wherein meanings for R10 can be the same or different; n=1-3; wherein meanings for R7 can be the same or different; z=0-3; wherein meanings for R25 can be the same or different; R16, R17, and R18 are independently selected from halogen, nitro, cyano, hydroxy, carbamoyl, mercapto, sulfamoyl, C1-C4-alkyl, C2-C4-alkenyl, C2-C4-alkynyl, C1-C4-alkoxy, C1-C4-alkanoyl, C1-C4-alkanoyloxy, N-(C1-C4-alkyl)amino, N,N-(di-C1-C4-alkyl)amino, C1-C4-alkyl-S(O)a (wherein a=0-2), C1-C4-alkoxycarbonyl, N-(C1-C4-alkyl)sulfamoyl, and N,N-(di-C1-C4-alkyl)sulfamoyl; wherein R16, R17, and R18 can be optionally independently substituted by one or several of R21 at their carbon atoms; R19, R20, R23, R27, and R28 are independently selected from halogen, nitro, cyano, hydroxy, carbamoyl, mercapto, sulfamoyl, C1-C4-alkyl, C2-C4-alkenyl, C2-C4-alkynyl, C1-C4-alkoxy, C1-C4-alkanoyl, C1-C4-alkanoyloxy, N-(C1-C4-alkyl)amino, N.N-(di-C1-C4-alkyl)amino, C1-C4-alkanoylamino, N-(C1-C4-alkyl)carbamoyl, N,N-(di-C1-C4-alkyl)carbamoyl, C1-C4-alkyl-S(O)a (wherein a=0-2), C1-C4-alkoxycarbonyl, N-(C1-C4-alkyl)sulfamoyl, N,N-(di-C1-C4-alkyl)sulfamoyl, carbocyclyl, heterocyclyl, sulfo, sulfino, amidino, phosphono, -P(O)(ORa)(ORb), -P(O)(OH)(ORa), -P(O)(OH)(Ra), or -P(O)(ORa)(Rb), wherein Ra and Rb are independently selected from C1-C6-alkyl and wherein R19, R20, R23, R27, and R28 can be optionally independently substituted by one or several of R22 at their carbon atoms; R21 and R22 are independently selected from halogen, hydroxy, cyano, carbamoyl, mercapto, sulfamoyl, trifluoromethyl, trifluoromethoxy, methyl, ethyl, methoxy, ethoxy, vinyl, allyl, ethynyl, methoxycarbonyl, formyl, acetyl, formamido, acetylamino, acetoxy, methylamino, dimethylamino, N-methylcarbamoyl, N,N-dimethylcarbamoyl, methylthio, methylsulfinyl, mesyl, N-methylsulfamoyl, N,N-dimethylsulfamoyl; or pharmaceutically acceptable salt thereof, solvate, or salt solvate. Described are also method for preparing compounds of formula I, pharmaceutical compositions based on compounds I, and a method for achieving inhibiting effect relative to interscapular brown adipose tissue (IBAT), and intermediates. (I), (IA), (IB), (IC).

EFFECT: expanded synthetic possibilities in the 1,5-benzothiazepine series.

36 cl, 121 ex

FIELD: organic chemistry of natural compounds, medicine, pharmacy.

SUBSTANCE: invention relates to novel compounds of the formula (I): , wherein each R1, R2 and R3 means independently hydrogen atom or (C1-C4)-alkyl; R4 means (C1-C12)-alkyl optionally comprising from one to three substitutes chosen from group including hydroxy-group, (C1-C12)-alkoxycarbonyl, carbamoyl, (C2-C7)-alkenyl, (C6-C10)-aryl optionally comprising from one to three substitutes chosen from group including halogen atom, (C1-C12)-alkyl, (C1-C12)-alkoxy-, hydroxy-, (C1-C12)-alkylcarbonylamino-group, (C6-C10)-aryl-(C1-C12)-alkyl wherein aryl group comprises optionally from one to three substitutes chosen from group comprising halogen atom, (C1-C12)-alkyl, (C1-C12)-alkoxy-group, heterocyclyl-(C1-C12)-alkyl; R5 means hydroxy-, (C3-C7)-cycloalkylamino-group optionally substituted with phenyl, (C6-C10)-arylamino-, (C6-C10)-aryl-(C1-C4)-alkylamino-group optionally comprising from one to three substitutes chosen from group comprising sulfamoyl, (C1-C12)-alkyl, (C1-C12)-alkoxy-, hydroxy-group, heterocyclyl or benzyl, (C1-C4)-alkoxy-, benzhydrazino-group, heterocyclyl optionally comprising from one to three substitutes chosen from group including benzyl, benzhydryl, heterocyclylamino-group wherein heterocyclyl means saturated, unsaturated or aromatic monovalent cyclic radical comprising from 1 to 3 heteroatoms chosen from nitrogen (N), oxygen (O) and sulfur (S) atoms, or to their combination; n means a whole number 0, 1 or 2. Compounds of the formula (I) elicit anti-proliferative activity that allows their using in pharmaceutical composition. Also, invention describes intermediate compounds.

EFFECT: valuable medicinal properties of compounds and pharmaceutical composition.

30 cl, 1 tbl, 69 ex

FIELD: organic chemistry, medicine, pharmacy.

SUBSTANCE: invention relates to new N-acylated pseudodipeptides comprising acidic group in neutral or charged form by one end of pseudodipeptide and accessory functionalized branching by the opposite end and corresponding to the general formula (I): wherein each R1 and R2 means acyl group of saturated or unsaturated, linear or branched carboxylic acid comprising from 2 to 24 carbon atoms, unsubstituted or comprising a substitute or substitutes chosen from hydroxyl, alkoxy- and acyloxy-groups; coefficient n has values from 0 to 3; coefficients p and q have values from 1 to 3; coefficient m has values from 1 to 3 except for a case when X means carboxyl or one of its derivative, and in this case it means values form 0 to 3; Y means oxygen atom (O) or -NH; X and Z mean accessory functionalized branching or acidic group in neutral or charged form chosen from the following groups: carboxyl, carboxy-(C1-C5)-alkoxy-, carboxy-(C1-C5)-alkylthio-, phosphono-(C1-C5)-alkoxy-, dihydroxyphosphoryloxy-, hydroxysulfonyloxy-, (carboxy-(C1-C5)-alkyl)aminocarbonyl, (dicarboxy-(C1-C5)-alkyl)aminocarbonyl, (ammonio-(C1-C5)-aminocarbonyl, carboxy-(amino-(C1-C5)-alkyl)aminocarbonyl under condition that at least one substitute among X and Z means an accessory functionalized branching, and their enantiomers and diastereoisomers. Proposed compounds show immunomolulating properties as adjuvants and these compounds can be grafted to antigen to modulate the immune response or can be grafted to pharmacophore to improve the therapeutic effect or its directed delivery.

EFFECT: improved preparing methods, improved and valuable medicinal properties of substances and compositions.

48 cl, 3 tbl, 112 dwg, 5 ex

Caspase inhibitors // 2274642

FIELD: medicine, biochemistry, pharmacy.

SUBSTANCE: invention relates to new compounds that represent inhibitors of caspases, in particular, inhibitors of interleukin-1β-converting enzyme and their pharmaceutical compositions. Proposed compounds can be used successfully as agents directed against diseases mediated by interleukin-1, apoptosis and factor inducing interferon-γ or by interferon-γ.

EFFECT: valuable medicinal and biochemical inhibitors.

35 cl

FIELD: organic chemistry and drugs.

SUBSTANCE: New class of compounds of general formula 1, where R has formula 2 or 3; other residues are as described in claim of invention is disclosed. Said compounds are interleikyn-1β converting enzyme (ICE) inhibitors and have specific structural and physicochemical properties. Invention also relates to pharmaceutical composition containing said compounds. Compounds and composition of present invention are particularly useful in ICE activity inhibition and thereby can be used as drug for treating of diseases mediated by IL-1, apoptosis, IGIF and IFN-γ, as well as inflammations, autoimmune diseases, bone-destructive disorder, infections, disorder associated with cell proliferation, degenerative and necrotic disorders. Uses of claimed compounds and compositions as well as methods for production of N-acylamino compounds also are disclosed.

EFFECT: effective interleikyn-1beta converting enzyme inhibitors.

64 cl, 35 ex, 35 tbl, 21 dwg

The invention relates to new compounds which are inhibitors of interleukin-1-converting enzyme (IAP), is characterized by a specific structural formula; to pharmaceutical compositions having the ability to inhibit interleukin-1-converting enzymes, method of treatment and prophylaxis of diseases selected from the group consisting of IL-1-mediated autoimmune inflammatory, neurodegenerative diseases, as well as the selection method of the IAP inhibitor

The invention relates to new compounds of General formula I

< / BR>
where a is Gly; the remainder of the formula II

< / BR>
m= 0 or 1; n= 2 or 3; R1and R2each independently of the other represents H, R1and R2both together represent also

< / BR>
or

< / BR>
where IS -(CO)-(CH2)q-(CO)rwhere q=1, 2, or 3, r=0 or 1, or-CO-CH=CH-CO-; X IS H, Cl or1-C6alkyl; and if the mean remains optically active amino acids and derivatives of amino acids, are included as D-and L-forms, and their salts, process for the preparation of compounds of formula I and their salts; pharmaceutical composition having the ability to inhibit integrin containing in its structure at least one compound of the formula I and/or one of its physiologically acceptable salts

The invention relates to an inhibitor of serine proteases having piperidine side chain; to pharmaceutical compositions containing this inhibitor; and using the indicated inhibitor for the manufacture of a medicine for the treatment and prevention of diseases associated with the action of thrombin
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