Method for stereoselective synthesis of 2,4-cis-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3,2,1]octanes

FIELD: chemistry.

SUBSTANCE: invention relates to a method for synthesis of 2,4-cis-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanes with general formula: The method involves reacting aliphatic aldehyde (acetic, propionic, butyric, valerianic, caproic) saturated with hydrogen sulphide with 1,2-diaminoethane in molar ratio diamine:aldehyde:hydrogen sulphide equal to 1:3:2, at 0°C for 3 hours. 2,4-cis-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanes can be used as selective sorbents and extraction agents of precious metals, as antibacterial, antiviral, fungicidal and acaricidal agents.

EFFECT: stereoselective synthesis of one conformationally pure 2,4-cis-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3,2,1]octane isomer; the method is also distinguished by simplicity of carrying experiments and availability of initial reagents.

1 cl, 1 ex, 1 tbl

 

The present invention relates to organic chemistry, in particular to a method of production of 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanol (1-5), having the General formula:

Connection 3-thia-1,5-diazabicyclo[3.2.1] octane number can be used as selective sorbents and extractants precious metals, as well as antibacterial, antiviral, antifungal and acaricide funds.

The known method (Le Fevre C.S., Le Fevre R.I.W. The interaction of ammonium and alkylammonium sulphides with agueous formaldehyde. // J. Chem. Soc. - 1932. - P.1142-1148) obtain the N,S-containing 3,7-dithia-1,5-diazabicyclo[3.3.1]nonane (6) of gaseous ammonia, H2S and CH2About at a temperature of 12°C With a yield of 41%, having a molecular formula of C5H10N2S2.

This method does not allow to obtain 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octane (1-5).

The known method (V.R.Akhmetova, R.A.Vagapov, G.N.Nadyrgulova, T.V.Tyumkina, Z.A.Starikova, M.Y.Antipin, R.V.Kunakova, U.M.Dzhemilev. Synthesis of thiadiazabicyclane and bis-1,3,5-dithiazinane by cyclotiometylation of aliphatic diamines with CH2O and H2S. Tetrahedron, 2007 Volume 63, Issue 47, Pages 11702-11709) obtain 3-thia-1,5-diazabicyclo[3.2.1]octanol (7, 8) of Ethylenediamine, H2S and CH2O at a temperature of 0°C and the ratio of the initial reagents Ethylenediamine:formaldehyde:hydrogen of 1:3:2. The output connection is 85% (7) and 87% (8).

The known method does not allow to obtain 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octane (1-5).

The objective of the invention was to develop a stereoselective method for the synthesis of 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanol (1-5).

The task stereoselective synthesis of 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanol (1-5) achieved by the interaction of 1,2-diaminoethane with H2S and aldehydes. The essence of the method lies in the interaction of saturated hydrogen sulfide aldehyde (acetic, propionic, butyric, Valerian, nylon) with 1,2-diaminoethane taken in a molar ratio diaminoethane:aldehyde:hydrogen of 1:3:2, and a temperature of 0°C With stirring for 3 hours.

The reaction products produced when using:

1. Acetaldehyde - 2,4-CIS-8-anti-trimethyl-3-thia-1,5-diazabicyclo [3.2.1]octane (1);

2. Propionic aldehyde - 2,4-CIS-8-anti-triethyl-3-thia-1,5-diazabicyclo[3.2.1]octane (2);

3. Butyric aldehyde - 2,4-CIS-8-anti-tripropyl-3-thia-1,5-diazabicyclo[3.2.1]octane (3);

4. Valerian aldehyde - 2,4-CIS-8-anti-tributyl-3-thia-1,5-diazabicyclo[3.2.1]octane (4);

5. Caproic aldehyde - 2,4-CIS-8-anti-triphenyl-3-thia-1,5-diazabicyclo [3.2.1]octane (5).

The reaction proceeds according to the scheme:

Significant differences on offer is the procedure:

In the proposed method stereoselective get used available reagents: Ethylenediamine, aliphatic aldehydes (acetic, propionic, butyric, Valerian, nylon) and gaseous H2S.

With the participation of these aldehydes are formed target 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octane (1-5). The reaction is conducted at 0°C and the ratio of initial reagents 1:3:2. With increasing temperature the reaction products (1-5) are not formed.

The advantages of the proposed method:

This method is an optimal ratio of the initial reagents (1:3:2) and reaction temperature (0°C) allows stereoselective to synthesize one conformationally pure isomer 2,a-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octane (1-5) with the outputs of 40-70%. The method is distinguished by the simplicity of the experiment (one-stage, reaction time 3 hours) and the availability of reagents. Data N,S-containing heterocycles not previously described and obtained for the first time.

The method is illustrated by examples:

Example 1. In a glass reactor, equipped with a magnetic stirrer, a gas-feeding tube and addition funnel is placed 1.68 ml (0.03 mol) of acetaldehyde, saturate it with hydrogen sulfide when bubbling for 30 min, was added dropwise at 0°With 0.6 g (0.01 mol) of 1,2-diaminoethane and stirred for 3 hours. Extraction with chloroform, the separation of the Ute 2,4-CIS-8-anti-trimethyl-3-thia-1,5-diazabicyclo[3.2.1]octane (1). As by-products formed by the mixture of cyclic products - 3,5-dialkyl-1,2,4-trithiolane and 3,5,7-trialkyl-1,2,4,6-titration. The product is purified from impurities column chromatography on SiO2(eluent hexane:ethyl acetate, 4:3; Rf0.32, the developer of I2).

Other examples differ only used aldehyde and shown in the table.

The yield of 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanol (1-5) - the reaction products trialkylamine 1,2-diaminoethane, aldehydes and H2S.
ExampleAldehyde
T, °CThe ratio of 1,2-diaminoethane: aldehyde:H2S, molThe output of the reaction products (1-5), %
1Acetic acid, R=CH301:3:241(1)
2Propionic, R=C2H501:3:255(2)
3Oil, R=C3H7 01:3:261(3)
4Valerian, R=C4H901:3:270(4)
5Capron, R=C5H1101:3:268(5)

Method of production of 2,4-CIS-8-anti-trialkyl-3-thia-1,5-diazabicyclo[3.2.1]octanol having the General formula

namely, that saturated hydrogen sulfide aliphatic aldehyde (acetic, propionic, butyric, Valerian, nylon), subject to the interaction of 1,2-diaminoethane in a molar ratio of diamine:aldehyde:hydrogen of 1:3:2 at a temperature of 0°C for 3 hours



 

Same patents:

FIELD: medicine.

SUBSTANCE: there described are diazabicyclic aryl derivatives of general formula I , their enantiomers or any mixture of those enantiomers, or their pharmaceutically acceptable salts, where radical values A, L, B and n are given in the description, and pharmaceutical composition containing the above diazabicyclic aryl derivatives.

EFFECT: new compounds represent cholinergic ligands of nicotinic receptors of acetylcholine and modulators of receptors and carrying agents of monoamines, and can be used for treatment of diseases and illnesses related to cholinergic system of central nervous system and periphery nervous system, which are related to activity of muscles, endocrine diseases, inflammatory diseases, and neurodegenerative diseases.

12 cl, 2 ex, 1 tbl

FIELD: medicine.

SUBSTANCE: there are described new diazabicyclic aryl derivatives of general formula (I), where A', A", L and B, n possess the values as specified in the description which are cholinergic ligands to nicotinic acetylcholine receptors, as well as a based pharmaceutical composition. Owing to their pharmacological profile, the compound according to the invention, can be effective in treating such various diseases or disorders, as those associated with the cholinergic system of central nervous system (CNS), peripheral nervous system (PNS), as those associated with plain muscle contraction, endocrine diseases or disorders, neurodegenerative diseases or disorders, diseases or disorders involving inflammation, pain and abstinence symptoms caused by termination of abusing the chemical substances.

EFFECT: effective with regard to various diseases.

16 cl, 3 ex, 1 tbl

FIELD: chemistry.

SUBSTANCE: claimed invention relates to quinobenzoxazin analogues with general formula (1) where V represents H, halo-, or NR1R2; NH2, or NR1-(CR12)n-NR3R4; A represents H, fluoro-, or NR12; Z represents O, S, NR1 or CH2; U represents NR1R2; X represents NR1R2 or halo-; n=1-6; where in NR1R2, R1 and R2 can form 5-7-member heterocyclic ring which is optionally substituted and has 1-2 heteroatoms, selected from group consisting of N, O and S; R1 represents H or C1-6alkyl; R2 represents C1-10alkyl optionally including one or more non-adjacent heteroatoms N or O and is optionally substituted with if necessary substituted 3-6-member carbocyclic or 5-14-member heterocyclic ring; or R2 is 5-14-member heterocyclic ring, which has 1-2 heteroatoms, selected from group consisting of N, O or S, 6-member aryl or 5-7member heteroaryl ring, which contains 1-3 heteroatoms, selected from group consisting of N, O and S, each of which can be, if necessary, substituted; R3 represents H or C1-6alkyl; R4 represents H, C1-6alkyl, optionally substituted with 3-6 carbocyclic or 5-14-member heterocyclic ring, or 6-member aryl, R4 and R3, if necessary, can form optionally 5-7-member substituted heterocyclic ring, which contains 1-2 heteroatoms selected from N and O; W represents substituent, such as described in i.1 of invention formula, where Q, Q1, Q2, and Q3 represents independently CH or N; Y represents independently O or CH; R5 represents substituent in any position of closed ring in form of H or OR2; on condition that U is not morpholinyl or 2,4-difluoroaniline, when X represents F or pyrrolidinyl, A is F, Z represents O, and W represents phenylene; each obligatorily substituted fragment being substituted with one or more halogen, C1-6-alkoxy, amino, carbamate, C1-10alkyl, C2-10alkenyl, each of which is optionally substituted with halogen, =O, 6-member aryl or one or more heteroatom, selected from N and O; 6-member aryl, 3-6-member carbocyclic ring or 5-7-member heterocyclic ring containing 1-2 heteroatoms, selected from group, consisting of N and O; or its pharmaceutically acceptable salts. Invention also relates to pharmaceutical composition based on formula (1) compound and to method of treatment of proliferative cell diseases using formula (1) compounds.

EFFECT: obtaining novel quinobenzoxazin analogues possessing useful biological properties.

48 cl, 3 tbl, 50 ex

FIELD: chemistry.

SUBSTANCE: invention claims compound of the general formula (I) , where R is hydrogen atom or vinyl group; n is 1, X is a group of the formula CH or nitrogen atom, R1 is either phenyl or naphthyl group, or cyclohexyl group, or heteroaryl group, R2 is either hydrogen atom or one or more substitutes selected out of halogen atoms and trifluoromethyl, alkyl, alkoxyl phenyloxy, hydroxyl groups or group of the general formula -NR4R5, SO2NR4R5, or group of the formula -OCF2O-, each of R4 and R5 groups is hydrogen atom or alkyl group; and method of obtaining compound of the general formula (I), medicine, pharmaceutical composition. Compounds display special effect as specific inhibitors of glycine GlyT1 and/or GlyT2 transmitters and thus are applied in treatment of various diseases.

EFFECT: obtaining compounds with high specific inhibition effect.

13 cl, 2 tbl, 5 ex

FIELD: chemistry.

SUBSTANCE: derivatives of 7-aryl-3,9-diazabicyclo(3.3.1)non-6-ene of general formula I , general formula I, where X and W or both represent -CH-, or one of them represents -CH-, and the other -N. V represents -A-(CH2)s-, -(CH2)s-A-, -A-(CH2)v-B- or -CH2-A-(CH2)3-B-; A and B represent-O- U -phenyl, possibly 1-3 substituted with halogen, alkyl, alkoxy, CF3, CF3O - or alkylcarbonyl, or pyridyl, monosubstituted with cyanogroup. T represents -CONR1-, -(CH2)pOCO- or -(CH2)pN(R1)CO- Q-alkylene; M - hydrogen, phenyl, possibly substituted, benzo[1,3]dioxol, possibly substituted, or pyridyl; L represents -R3, -COR3, -COOR3, -CONR2R3 or -SO2R3; R1 - hydrogen, alkyl, C3-7 cycloalkyl, pyrrolidinyl, benzo[b]thienyl, chinoxalinyl, phenylalkyl, thienylalkyl or tetrazolylalkyl, possibly substituted. m=1, n=0 or m=0, n=1, p - integer 1-4, s - integer 2-5, v - integer 2-4, optically pure enantiomers, mixtures of enantiomers, pharmaceutically acceptable salts and complexes with solvents, possessing activity of phenin inhibitors.

EFFECT: efficient application in medicine for treatment of cardio-vascular diseases and renal failure.

8 cl, 743 ex

FIELD: chemistry.

SUBSTANCE: description is given of new diazabicyclic aryl derivatives, with general formula I: its enantiomers, or mixture of enantiomers, or its adjoining pharmaceutical salt, where X and Y independently represent CR2, CR3 or N, where R2 is hydrogen, C1-6alkyl or halogen; and R3 is hydrogen or halogen; and R1 is hydrogen or halogen, CF3, NO2 or phenyl, possibly substituted, group with formula phenyl-Z-(C1-6alkyl)m-, phenyl -C≡C- or pyridyl -Z-(C1-6alkyl)m-, where m equals 0 or 1; Z - O or S, where phenyl and pyridyl are possibly substituted, or R1 and R3 , together with carbon atoms to which they are bonded, form a benzocondensed aromatic carbocyclic ring, which can be substituted. The new compounds are cholinergic ligands of nicotinic acetylcholine receptors.

EFFECT: compounds can be useful for treating such diseases or disorders related to the cholinergic system of the central nervous system, peripheral nervous system etc.

11 cl, 3 ex, 1 tbl

FIELD: chemistry, pharmacology.

SUBSTANCE: invention relates to new crystalline form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride, including 2 moles water to 1 mole (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride, the form II content being equal 75% and more; the above form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3,3,1]non-4-yl)benzamide hydrochloride has one or more optional properties, as follows: a) form II infrared spectrum include characteristic peak at 835±1.5 cm-1; b) X-ray pattern obtained on the above form powder is essentially corresponds to image Fig. 21; and c) water content rates 8.3% to 9.8%. The invention relates also to the form II ofhydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride production methods, to the form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride, and the form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride identification method, as well as to pharmaceutical composition and treatment method for gastrointestinal motility impairment related disorders.

EFFECT: composition has improved properties for medical applications.

22 cl, 1 ex, 11 tbl, 22 dwg

FIELD: chemistry.

SUBSTANCE: invention concerns new derivatives of 1- and 7-[ω-(benzhydryl-4-piperazinyl-1)alkyl]-3-alkyloxantines of the general formulae I and II, including their pharmaceutically acceptable salts and/or salt hydrates, the derivatives showing antihistaminic and antiallergenic effect. In the general formulae I and II : R = H, Me, CH2Ph; R1 = Me, "н" - C4H9; n = 0-3; X = H, OH, OCOCH2CH2COOH; Y = Y1 = H, Cl, F; on the condition that R and R1 are not both methyl. Compounds of the invention feature high antihistaminic and antiallergenic activity. E.g., 7-[4-(benzhydryl-4-piperazinyl-1)butyl]-3-methyloxantine dihydrochloride surpasses most efficient antihistaminic and antiallergenic medications, such as cetirizine, loratadine and azelastine, in activity and lasting effect.

EFFECT: obtaining a compound with high antihistaminic and antiallergenic activity.

2 cl, 3 tbl, 8 ex

FIELD: chemistry.

SUBSTANCE: invention concerns new N,N'-substituted 3,7-diazabicyclo[3.3.1]nonanes of the general formula 1: (HY), where HY is hereinafter a pharmacologically acceptable acid; E is , R1 is H, low-grade alkyl, C1-C10alkoxy; R2 is generally represented by the general formulae (1.1a) , (1.2a) , (1.3a) , (1.4a) , where L is CHR11, ; R11 is H, NH2; R15 is H, low-grade alkyl, C1-C10alkoxy; R19, R19', R20 and R20' can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; R24 and R25 can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; R3 and R3' can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; R4 and R4' can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; X is a group of the general formula: (CH2)m-Z, where m=0, while Z is acetyl, or X is a valence link. Compounds I are capable of AMPA receptor activity modulation and hence can be applied in pharmaceutical compositions.

EFFECT: obtaining compound capable of AMPA receptor activity modulation.

12 cl, 2 dgw, 2 tbl, 11 ex

FIELD: chemistry.

SUBSTANCE: invention concerns malonamide derivatives of the formulae (IA) or (IB) , and pharmaceutically acceptable acid additive salts of them, where R1, R1',(R2)1,2,3, R3, R4, R14, L, and are such as described in this invention. Also the invention concerns a medicine with inhibition effect on γ-secretase, which can be applied in treatment of Alzheimer's disease.

EFFECT: obtaining new malonamide derivatives with beneficial biological properties.

17 cl, 188 ex

FIELD: organic chemistry, medicine.

SUBSTANCE: compounds of formula I are disclosed, wherein R1, R2, R3, R4, R5, R6, R7, R41, R42, R43, R44, R45, R46, A, and B are as described in description.

EFFECT: new compounds with increased electrophysiological activity useful in treatment of cardiac arrhythmias.

132 cl, 1 tbl, 37 ex

FIELD: organic chemistry, chemical technology.

SUBSTANCE: invention relates to a whitening composition comprising: (a) monomeric ligand or catalyst with transient metal of ligand of the formula (I): wherein R represents hydrogen atom; R1 and R2 are chosen independently from (C1-C4)-alkyl, pyridine-2-yl-methyl and (C2-C4)-alkylmethyl; X represents -C=O; R3 and R4 are similar and represent -(CH2)nC(O)O-(C1-C4)-alkyl; n = 0-4, and (b) equilibrating carriers and additional components. This composition is useful for catalytic whitening substrates with atmosphere oxygen. Also, invention describes a method for whitening the substrate involving applying step of the whitening composition on substrate in aqueous medium.

EFFECT: valuable properties of substances, improved whitening method.

11 cl, 2 tbl

FIELD: organic chemistry, medicine.

SUBSTANCE: invention relates to a novel chemical compound, namely, to biologically active compound of the formula (I): possessing anti-arrhythmic activity and representing 5'-bromolappaconitine hydrobromide. Toxicity of this compound is by 4.8-fold less toxic as compared with analog used in medicinal practice and representing lappaconitine hydrobromide. Proposed compound possesses the expressed anti-arrhythmic activity in models with calcium chloride and adrenaline arrhythmia and provides the complete blocking both types of arrhythmia after administration of the dose that is 10-fold less of the therapeutic dose of lappaconitine hydrobromide.

EFFECT: improved and valuable medicinal properties of compound.

2 cl, 2 tbl, 4 ex

FIELD: organic chemistry, medicine, oncology.

SUBSTANCE: invention relates to condensed heterocyclic succinamide compounds of the formula (I): , their pharmaceutically acceptable salts, solvates or isomers wherein G represents mono- or polycyclic aryl or heterocyclic group substituted possibly at one or more positions; L represents a bond, -(CR7R7')n (wherein n = 1; R7 and R7' represents independently hydrogen atom (H), alkyl or substituted alkyl) or -CH2-NH-; Z1 represents oxygen atom (O); Z2 represents O; A1 and A2 represent -CR7 or in common with R7 from group W is a heterocyclic ring wherein oxygen represents a heteroatom; Y represents -O-, -SO-, -N(V2)-, -CH2-N(V2)-, -CO-N-(alkyl)-, -CH2-S-, -CH2-SO2-; V2 represents hydrogen atom, alkyl, arylalkyl, -CO-alkyl, -CO-O-aryl, -CO-O-arylalkyl; W represents -CR7R7'-CR7R7'-, -CR7R7'-C=O, -NR9-, -CR7R7'-, -N=CR8-, -N=N, -NR9-NR9'-, cycloalkyl or substituted cycloalkyl, cycloalkenyl or substituted cycloalkenyl, heterocyclo- or substituted heterocyclo-group, aryl or substituted aryl wherein if W doesn't mean -NR9-CR7R7'-, -N=CR8-, -N=N, -NR9-NR9'- or heterocyclo- or substituted heterocyclo-group then Y must mean -O-, -CH2-S-, -SO-, -CH2-SO2-, -N-(V2)- or -CH2-N-(V2)-; Q1 and Q2 represent hydrogen atom (H). Also, invention describes a method for synthesis of intermediate compounds in synthesis of compounds of the formula (I), using the latter for preparing agents modeling function of the nuclear hormone receptors. Compounds of the formula (I) can be used in treatment of prostate cancer.

EFFECT: improved method of synthesis, valuable medicinal properties of compounds.

8 cl, 11 tbl, 463 ex

FIELD: organic chemistry, chemical technology, medicine, pharmacy.

SUBSTANCE: invention relates to novel 3-phenyl-3,7-diazabicyclo[3,3,1]nonane compounds of the formula (I): wherein R1 means (C1-C6)-alkyl, (C4-C7)-cycloalkyl; R2 means (lower)-alkyl; R3 means (lower)-alkyl, or R2 and R3 form in common (C3-C6)-alkylene chain; R4 means phenyl monosubstituted at ortho- or para-position with nitro-, cyano-group or (lower)-alkanoyl, or disubstituted at ortho- and para-position with nitro-group, and their physiologically acceptable acid-additive salts. Compounds of the formula (I) possess anti-arrhythmic activity and therefore they can be used in pharmaceutical composition used in treatment and/or prophylaxis of cardiac rhythm disorders. Also, invention describes a method for synthesis of these compounds.

EFFECT: valuable medicinal properties of compounds and pharmaceutical compositions.

8 cl, 6 tbl, 2 ex

FIELD: organic chemistry, medicine, pharmacy.

SUBSTANCE: invention relates to novel derivatives of 1,4-diazabicycloalkane of the formula (IV): or its pharmaceutically acceptable addition salt wherein Ar represents carbocyclic aromatic (aryl) group or heterocyclic aromatic (heteroaryl) group that represents 5-6-membered ring comprising one nitrogen, sulfur or oxygen atom as a heteroatom and wherein aromatic group can be substituted with one substitute chosen from group consisting of (C1-C6)-alkoxy, halogen atom, -CF3, phenyl and benzyl. Also, invention relates to a pharmaceutical composition possessing inhibitory effect on nicotine acetylcholine receptors and containing the effective amount of compound of the formula (IV) or its pharmaceutically acceptable addition salt in combination with at least one pharmaceutically acceptable carrier or diluting agent. Invention provides derivatives of 1,4-diazabicycloalkane possessing inhibitory activity with respect to nicotine acetylcholine receptors.

EFFECT: valuable medicinal and pharmacological properties of compounds.

10 cl, 3 ex

FIELD: chemistry.

SUBSTANCE: invention concerns malonamide derivatives of the formulae (IA) or (IB) , and pharmaceutically acceptable acid additive salts of them, where R1, R1',(R2)1,2,3, R3, R4, R14, L, and are such as described in this invention. Also the invention concerns a medicine with inhibition effect on γ-secretase, which can be applied in treatment of Alzheimer's disease.

EFFECT: obtaining new malonamide derivatives with beneficial biological properties.

17 cl, 188 ex

FIELD: chemistry.

SUBSTANCE: invention concerns new N,N'-substituted 3,7-diazabicyclo[3.3.1]nonanes of the general formula 1: (HY), where HY is hereinafter a pharmacologically acceptable acid; E is , R1 is H, low-grade alkyl, C1-C10alkoxy; R2 is generally represented by the general formulae (1.1a) , (1.2a) , (1.3a) , (1.4a) , where L is CHR11, ; R11 is H, NH2; R15 is H, low-grade alkyl, C1-C10alkoxy; R19, R19', R20 and R20' can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; R24 and R25 can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; R3 and R3' can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; R4 and R4' can be equal or different, and each is independently H, low-grade alkyl, C1- C10alkoxy; X is a group of the general formula: (CH2)m-Z, where m=0, while Z is acetyl, or X is a valence link. Compounds I are capable of AMPA receptor activity modulation and hence can be applied in pharmaceutical compositions.

EFFECT: obtaining compound capable of AMPA receptor activity modulation.

12 cl, 2 dgw, 2 tbl, 11 ex

FIELD: chemistry.

SUBSTANCE: invention concerns new derivatives of 1- and 7-[ω-(benzhydryl-4-piperazinyl-1)alkyl]-3-alkyloxantines of the general formulae I and II, including their pharmaceutically acceptable salts and/or salt hydrates, the derivatives showing antihistaminic and antiallergenic effect. In the general formulae I and II : R = H, Me, CH2Ph; R1 = Me, "н" - C4H9; n = 0-3; X = H, OH, OCOCH2CH2COOH; Y = Y1 = H, Cl, F; on the condition that R and R1 are not both methyl. Compounds of the invention feature high antihistaminic and antiallergenic activity. E.g., 7-[4-(benzhydryl-4-piperazinyl-1)butyl]-3-methyloxantine dihydrochloride surpasses most efficient antihistaminic and antiallergenic medications, such as cetirizine, loratadine and azelastine, in activity and lasting effect.

EFFECT: obtaining a compound with high antihistaminic and antiallergenic activity.

2 cl, 3 tbl, 8 ex

FIELD: chemistry, pharmacology.

SUBSTANCE: invention relates to new crystalline form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride, including 2 moles water to 1 mole (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride, the form II content being equal 75% and more; the above form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3,3,1]non-4-yl)benzamide hydrochloride has one or more optional properties, as follows: a) form II infrared spectrum include characteristic peak at 835±1.5 cm-1; b) X-ray pattern obtained on the above form powder is essentially corresponds to image Fig. 21; and c) water content rates 8.3% to 9.8%. The invention relates also to the form II ofhydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride production methods, to the form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride, and the form II of hydrated (±)-4-amino-5-chloro-2-methoxy-N-(1-aza-bicyclo[3.3.1]non-4-yl)benzamide hydrochloride identification method, as well as to pharmaceutical composition and treatment method for gastrointestinal motility impairment related disorders.

EFFECT: composition has improved properties for medical applications.

22 cl, 1 ex, 11 tbl, 22 dwg

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