Method of preparing imidazole derivatives or thir salts

专利摘要:
Imidazole derivatives of the formula I and pharmaceutically acceptable acid addition salts thereof are provided: <IMAGE> I In the formula, R4 1- or 2-naphthyl, optionally substituted with Cl, Br, or I; 1,2,3,4-tetrahydro-6-naphthyl; 3-duryl, optionally 6-substituted by Cl, Br, I, NO2, CH3 or benzyl; mesityl, phenyl 2-, 3- or 4-substituted by OH, NH2, NO2, CH3CONH, phenyl, phenoxy, cyclohexyl, phenylthio, benzylthio, C1-C6 alkyl or C1C6 alkylthio; 4-bibenzylyl; 3,4-dihydroxyphenyl, n=0, 1 or 2 and (a) R=H, alkyl having 1 to 6 carbon atoms or phenyl R1=H, alkyl having 1 to 6 carbon atoms or phenyl one of R2 and R3=H the other of R2 and R3=H, OH, benzoyloxy, C2-C7 alkanoyloxy, N-(C1-C6 alkyl)-carbamoyloxy, N,N-[di-(C1C6)alkyl]-carbamoyloxy, but if R2=R3=H then R=R1=H, or (b) R=H, C1-C6 alkyl, phenyl R1=H, C1-C6 alkyl, phenyl R2+R3=O, or <IMAGE> (c) The compounds of formula I are anti-convulsivants.
公开号:SU865125A3
申请号:SU792790705
申请日:1979-06-25
公开日:1981-09-15
发明作者:Нарди Данте；Тайана Альберто；Йозе Магистретти Мария
申请人:Рекордати С.А., Кемикал Энд Фармасьютикал Компани (Инопредприятие)；
IPC主号:

专利说明:

(54) METHOD FOR PRODUCING IMIDAZOLE DERIVATIVES OR THEIR SALTS
one
This invention relates to a process for the preparation of new imidazole derivatives of the formula I
"
fdHzJn - v J
B -d-yN r i
where R is a 1,2,3,4 tetrahydro-6-naphthyl group, 3-duryl group, 6-10
chloro-, 6-brOM-, 6-iodine-, 6nitro-,. 6-benzyl or b-methyl 3-duryl group, 1-or 2 naphthyl group, chlorine, bromine or iodine-substituted 1-15 or 2 naphthyl group, meityl group, phenyl group substituted in 2-, 3 or 4 - position by an alkyl group with the number of carbon atoms - 20 genus 1-6, an alkylthio group with 1-6 carbon atoms or hydroxyl, amino, nitro, acetamido, phenyl, phenoxy, cyclohexyl, 25 phenylthio or benzylthio group, 4-dibenzyl-group or 3, 4-dioxyphenyl group,
P:; 0.1 or 2
 a) each of the radicals R and R, 30
which may be single or different, are a hydrogen atom, an alkyl group with a carbon atom 1-6 or a phenyl group, one of the radicals Rj is a hydrogen atom, and the other is a hydrogen atom, a hydroxyl group, a benzoyloxy group, an alkanoyloxy group with a carbon number of 2-7, a N-alkylcarbamoyloxy group in which an alkyl group contains 1-6 carbon atoms, or an N, N dialkyl carboxylic acid group / group in which each alkyl group has 1-6 carbon atoms, provided , if RA and R are carbon atoms, then R and Rf are ATS s hydrogen;
b) R and R correspond to dainw in (a) the values and R and Rj are presumed.
is an oxygen atom;
five
c) -C - C - vinyl group
. ii feV
or their salts with biological activity.
The reaction of halogen derivatives with amines 1 is known,
The purpose of the invention is the synthesis of new compounds possessing biological activity. The goal is achieved by the fact that according to the method of producing compounds of formula I, consisting in the interaction of compounds of formula II -S, {(iHz) a-Y; Rif-CiO where p, K, R4 have the indicated meanings; Y is a chlorine or bromine atom, with imidazole or with its salt with the formation of a compound of the general formula 16 j u-do-C- (yng) p-N, n have the above values where R, R, R4 mean, and denote it to free form or reconnection of forms. 16 with sodium borohydride with the obtained compound of formula 1 in K4-dH i- (iHz) n-1T T on KI and isolation in free form or by esterification to form the compound Formula 1c g E -Ci-e- {dHj) -NJ Ei and release it in free form or by transferring the resulting bases to salt. Compounds 16, 1b, and 1c can be converted by a conventional method into their pharmaceutically acceptable salts acid adducts. In this case, inorganic or organic acids can be used, including hydrochloric, sulfuric, nitric, phosphoric, p-toluene-sulfonic, oxalic, acetic, citric, pro-pyonic, maleic, cinnamic, benzoic and methanesulfonic. The proposed compounds and theirs have significant anticonvulsant activity in combination with low toxicity. Example. 6-Bromo-3-chlorace durol (II: R R H, R4 6-6poM-3 duril; p O, Y C1). To a suspension of 6.66 g of anhydrous aluminum trichloride in 30 ml of both aqueous chloroform with stirring and 0- (+ 5) C, 5.64 g of chloro dedetyl chloride are added dropwise. The resulting mixture is stirred until a clear solution is formed. Then, while maintaining the solution at 0 - (+ 5) C, a solution of 10.65 3-bromo-durol in 30 ml of chloroform is added. After that, the temperature is raised to 20–25 ° C, then the mixture is kept at 40–45 ° C for 2 hours. At the end of the reaction, the mixture is poured onto ice-hydrochloric acid and extracted with chloroform. The resulting solution is washed with water until neutral pH, dried over calcium chloride and evaporated to dryness. The crude product obtained as a result of these ogerations is purified on a chromatographic column with silica gel, using petroleum ether first as an eluting solvent and then a mixture of petroleum ether and benzene. 6-Bromo-3-chloroacetyl-durol is crystallized from isopropanol, resulting in 8.4 g of a white product, with a melting point of 127-138 ° C. Yield 58%. Found,%: C 49.56; H 4.89; C1 11.96; BG 27.30 Calculated-,%: C 49.77; H 4.87; C1 12.24; Br 27.59., Example 2.6-chlorop-3-chloropatsetildyrup (II: R R H; R4 6-chlorop-3-dyr; P 0; Y C1). The procedure of Example 1 is repeated using 8.43 g of 3-chloro-sulfol. After crystallization from ethyl alcohol, 7.3 g of 6-chloro-3-chloro-acetyldurol are obtained with a melting point of 94-96 0. 3- (2-Bromopropionyl) -durol (II: R OH ,,; R H; R4 3-duril; n 0; .W Vg). Repeat the procedure of Example 1, but using 220 ml of chloroform, 32 g of aluminum trichloride, 26.2 ml of 2-bromopropionyl bromide and 26.8 g of durene as the starting reagents, to obtain 42 g of the title compound, melting point 84-86 0. Product Purified by distillation and crystallized from ethyl alcohol. PRI me R 4. 3-Chloroacetyl Durol (II: R R. H; R. 3-duryl; n 0; Y C1). Analogously to Example 1, but using 1.33 g of aluminum trichloride, 1.13 g of chloroacetate chlorind and 1.34 g of durene as starting reagents, 1.78 g of 3-chloroacetyl-durol with a melting point of 65,. The product was purified by distillation (boiling point 113-117 0 at 0.4 mm Hg) and crystallized from ethyl alcohol. Similarly, 3-6 hydromethyl-durol with a melting point (53-54 ° C) is obtained. , U, Br.) Analogously to Example 1, but using 16 g of aluminum trichloride, 110 ml of chloroform, 28.72 g of 2-bromo-2-methylpropionyl bromide and 13.42 g of durene as starting reagents, to obtain 19.1 g of the desired compound. After crystallization from ethanol, the product has a melting point of 108-110 ° C. Example: 1-Chloroacetyl-4-cyclohexyl-benzene (II: R4 para-cyclohexyl-phenyl; Y C To a mixture of g of aluminum trichloride and 60 ml of carbon disulfide at 10-1 A mixture of 16 g of a pair of cyclohexyl benzene and 11.2 g of chloroacetyl chloride is added dropwise to the solution, and the reaction is carried out for 6 hours, then the reaction mass is collected at room temperature for 12 hours. hydrochloric acid and extracted with dichloromethane. The extract is washed, dried and the solvent is evaporated. After distillation, fractions are collected which boil at 140150 ° С and 0.6 mm Hg. 1-chloro 1-ethyl-4-cyclohexyl-benzene is crystallized from ethyl acetate alcohol - water willow 18 g of products are obtained with so pl. 47-49C. 75% yield. Found,%: C 71.23; H 7.15; C1 14.76. calculated%: C 71.03; H 7.24; C1 14.98. PRI me R 7. - (S, S-Dime tilamino) -propionyl-dibenzyl hydrochloride (III: R R H; R 4 is di-benzyl; n 1). To a solution of 2.43 g of di-methylamine hydrochloride in 2 ,. 25 g of 40% dehydrated form are added 3 ml of acetic anhydride. The cm obtained in this way is stirred at room temperature for 30 minutes. After heating at 120 ° C, a boiling solution of 6.72 g of 4-acetyl-dib1enzyl in 4 ml of hydrochloric anhydride is added. The mixture was heated under reflux for 1 and then evaporated to dryness in vacuo. The residue is treated with water and washed, and the desired compound precipitated as a free base. The product is converted into its chlorophyllum by treatment with hydrogen chloride in ethanol and purification by crystallization from isopropanol. Yield 6.65 g (70%). Melting point 145147 ° C. Found,%; C, 71.96; H 7.59; N 4.48; C1 11.36 N - HC1 Calculated,%: C 71.80; H 7.61; N 4.40; C1 11.15. Example - (L, L-Dime tylaminomethyl) propionyl-biphenyl (III: R R H; R 4 4-diphenylyl; n 1). The mixture is stirred at room temperature for 30 minutes, holding 6.3 g of dimethyl 1A hydrochloride (Shna, 15 ml of 40% formaldehyde, and 20 ml of acetic anhydride), and boiling rapidly. Then add 42 g of boiling solution. 4-propionyl diphenyl in 30 ml of acetic anhydride. At the end of the reaction, water and then hydrochloric acid are added to neutral pH, after which the whole mass is extracted with sulfuric ether. The mixture is cooled at 5-10 ° Cf with 20% sodium carbonate and then filtered. The resulting residue is dried. Melting point product and 59 ° C., The resulting base, dissolved in methyl alcohol, is converted to the hydrochloride by treatment with hydrogen chloride (with ethanol and, added with sulfuric ether, it is isolated as crystals.) After recrystallization of the product from isobropanol, 39.5 g (65%) of the target are obtained. Compounds with melting point 187s. Found: C, 70.96; H, 7.43; N, 4.57; C1, 11.31 CffiHg NOHCl: Calculated,%: C, 71.16; H, 7.30; N, 4.61; C1 11.67. EXAMPLE 9 2-Bromoacetyl-diphenyl (R4 2-diphenylyl; p of U Br). To a suspension of dimethyl cadmium prepared from 0.0125 mol of methyl magnesium iodide, in 7 ml of anhydrous benzene with stirring under a nitrogen atmosphere, a solution of 2.17 g of 2-phenyl-benzoyl chloride in 7 ml of anhydrous benzene is added dropwise. After that, the mixture is refluxed for 4 hours. At the end of the reaction, the whole mass of ajojt is poured into a mixture of ice and hydrochloric acid and extracted with benzene. The benzene solution is washed with sodium bicarbonate and water to neutral pH, dried over anhydrous sodium sulfate and evaporated to dryness. After distillation, 1.51 g of 2-methyl-diphenyl with a boiling point of 104-105 ° C at 0.2 mm Hg is obtained. Art. A solution of 1.29 g of bromine in 1.5 ml of anhydrous chloroform is added to a solution of 1.86 g of 2-acetyl dipheny a in 10 ml of anhydrous chloroform at 15-2b. Then the solution is stirred for 15 minutes and poured into water. The chloroform solution is washed with sodium bicarbonate and water, dried over Kshcium chloride and evaporated to dryness. As a result, 2.54 g of 2-bromoacetyl dienyl is obtained. The product can be used for reaction with imidazole without further purification. I'll try it on. 4- (N-Imidazolylacetyl) -diphenyl (16: n O, R, 4-diphenylyl). To a suspension of 6.81 g of imidazole in 40 ml of 1,2-dichloroethane at room temperature and 4.6 g of 4-bromoacetyldiphenyl are slowly added with stirring. A clear transparent solution was placed at room temperature for 8 hours, then the solvent was evaporated in vacuo, the residue was washed with 20 ml of water and crystallized from toluene. 4.67 g of the expected product are obtained with a melting point of 195-198 ° C.
Found,%: C 78.01; H 5.51; N 10.51
Calculated,%: C 77.84; H 5.38;
N 10.68,
Using 4- (3-chloropropionyl) -diphenyl, 4- (2-chloropropionyl) -diphenyl, 1-chloroacetyl-4 cyclohexyl-benzene and 4- (3-chloropropionyl) dibenyl as starting per-agents, respectively, according to the described procedure, the following are obtained connections:
 - (N-imidazolyl) -propionyl diphenyl {1b: n 1, R Rf H, R4 4 diphenylyl) with a melting point of 149ISI C) ,,
4- {2-methyl-2 - (N-imidazolyl) propionyl-diphenyl (16: n O, R R / f CH J, R4 4-diphenylyl), melting point 1-7-768;
1- (imidazolyl-acetyl) -4-4-cyclohexyl-benol (16: n O, R R H R 4-cyclohexyl-phenyl), melting point 132-3 ° C;
 - (N-imidazolyl) -propionyl diphenyl (16: n 1, R R H, dibenzyl), melting point 104105 ° C.
Example. 3- (N-Imidazolylacetyl) -diphenyl (16: n O, R R H Rjj 3-diphenylyl).
Analogously to Example 10, but using 2.75 g of 3-bromoacetyldiphenyl as the starting material, 1.06 g of the expected product is obtained with a melting point of 128-129 c. The compound is purified on a chromatographic column with silica gel, using dioxane as the eluting solvent and then crystallizing from benzene. Yield 40%.
Example 12. 1- (N-Imidazolyl. Acetyl) -naphthalene hydrochloride (16: R R, R4, 1-naphthyl). .
To a mixture of 2.72 g of imidazole in 2 ml of dimethylformamide, cooled to add a mixture of 2.48 g of 1-6 hydromethyl naphthalene in 1 ml of dimethylformamide. After 3 hours at 5c, the mixture is poured into water and then held until an oily product is obtained. Hydrochloric acid is added, then sulfuric ether and the extract is basified with sodium hydroxide. Mix again
extracted with ethyl acetate, washed with water and dried over anhydrous sodium sulfate. The oily product is purified on a chromatographic column with a pad of silica gel, using another tone as eluting solvent. 1.44 g of the expected product is obtained, which is then converted to a ziruhydrate by treating the free base in ethyl alcohol with gaseous hydrogen chloride. Melting point, yield 55%.
Found,%: C 65, 72; H 4.78; N 10.12; C1 12.92
 HC1
Calculated,%: C 66.06; H 4.80, N 10.27; C1 13.00.
Example13. 4- (N-Imidazolylacetyl) -dibenzyl (16: n O, R R. H, R4 4-di6enzyl).
To a solution of 3.4 g of imidazolyl in 5 ml of dimethylformamide with stirring and 2.58 g of 4-chloroacetyldi6-benzyl are slowly added. The reaction mixture is stirred for several minutes, then held down and then poured into water. The resulting product is filtered, purified on a chromatographic column with silica gel (using a mixture of benzene and acetone as the eluting solvent) and crystallized from ethyl acetate. 2.24 g of the expected product are obtained with a melting point of 134-13 bs. Exit 77
Found %: C 78.60; H 6.48; N 9.55. , 0
Calculated,%: C 78.59; H 6.25; N 9.65.
Exemplified by E. 14. - (N-Imidazolyl) -proxy-diphenyl (16: n 0 R CH, R4 4-diphenylyl). Analogously to Example 12, but using 3.4 g of imidazole and 2.89 g of 4- (-brompropionyl) -biphenyl, 1.55 g of the title compound as the free base are obtained with mp13131 ° C.
PRI me R 15. 3- (N-Imidazolylacetyl) -durol (16: n O, R R, H R 3-duryl).
The mixture containing 2.55 g of 3-, bromoacetyl-durol, which is prepared from 4.3 ml of dimethylformamide and 3.40 g of imidazole, is stirred for 8 hours at 80 ° C. After completion of the reaction, the mixture is cooled to room temperature and 25 ml of water are added. The precipitate is filtered off, dried and crystallized from benzene, resulting in a gain of 1.5 g of the target product. Melting point 176-178 ° C, yield 62%.
Found,%: C 74, H 7.66; N 11.65
Calculated. %: from 74.35; H 7.49; N 11.59. °
Repeating the procedure described and using instead of 3-bromoacetyl-durol, 6-methyl-, 6-bromo-, 6-chloro- and 6-nitro3-bromoacetyl-durol, the following compounds are prepared:
3- (N-imidazolyl-acetyl) -6-methyT1durol (16: n O, R RY H, R4 6methyl-3-duryl), melting point 187189 ° C;
3- (N-imidazolyl-acetyl) -6-bromdurol (16: n O, R R H, H 6 bromo-3-duryl), melting point with decomposition;
3- (N-imidazolyl-acetyl) -6-chlordurol (16: n O, H, R 6 is chloro-3-duryl), melting point 202209 ° C;
3- (N-imidazolyl-acetyl) -6-nitrodurol 1b: n O, R EH, R 6 nitro-3-duryl, melting point 190192 ° C.
PRI me R 16. -Oxy-2 (N-imidazolyl) -ethyl-biphenyl (1A, 1: n 0, R Rxf H,. 4-diphenylyl).
To a stirred suspension containing 2.62 g of 4- (N-imidazolyl-acetyl) diphenyl, which, prepared according to Example 10, in 26 ml of methanol, was added 0.38 g of sodium borohydride; so that the temperature was never C. The mixture was kept at room temperature for 2 hours, then boiled under reflux for 1 hour. 10 ml of hydrochloric acid and 30 ml of water were added, and the whole mass was then stirred at room temperature for 3 hours. The precipitate obtained is filtered, washed with water and crystallized from dioxane. The result is 2.19 g (83%) of the title compound with a melting point of 1-83-184c.
Found,%: C 77.15; H 5.99; N10.69
Calculated,%: C 77.25; H 6.10; N 10.60.
The target compound is also obtained by reaction in the formamide of imidazole or its sodium salt with 4 (l-hydroxy-2-chloroethyl) -diphenyl.
Repeat the described procedure, but using 1 (L-imidazolyl-acetyl) -4-cyclohexylbenzene as the starting material, prepared in accordance with Example 10, give hydroxy-2 - (L-imidazolyl) -ethyl-4-cyclohexyl-benzene (1a , 1: n O, R, Cc 4-cyclohexyl-phenyl) (melting point 202-203 0.
Example 17. -Oxy-2 (L-imidazolyl) -ethyl-diphenyl (1- 1: n 0, R R4 H, R4 4-dibenzylil).
At room temperature, to a solution of 2.90 g of 4- (L-imidazolyl-acetyl) dibenzyl prepared in accordance with Example 13 in 20 ml of methyl alcohol was added 0.38 g of sodium borohydride.
The mixture was heated under reflux for 2 hours, then the solvent was evaporated in vacuo and water was added to the residue. The product, separated by filtration, is crystallized from ethanol. The result is 2.7 g of the target product with so-pl. 165166 S.
Found,%: C 78.34; H 6.91; N 9,56
with pH OV calculated, C 78.05; H 6.90;
N 9.58.
Example 18. Repeating the procedures of examples 16 and 17 and using respectively 3- (N-imidazolyl-acetyl) -6-methyl-durol and 3- (N-imidazolyl-acetyl) -6-chloro-durol, prepared in accordance with example 15, are synthesized The following compounds:
x-2- (N-imidazolyl) ethyl-6-methyl-durol (1a, 1: n O, R R H, iR 4 6-methyl-3-duryl), melting point 221-222 ° C;
3-tl-hydroxy-2- (N-imidazolyl) ethyl-6-chloro-durol (1a, 1: n 0, R R H, R4 6-chloro-3-duryl), melting point 225-226 ° C.
PRI me R 19. - (N, N-diethyl-carbamoyloxy) -2 - (N-imidazolyl) -ethyl-diphenylchlorohydrate (1a II, R,, N-diethylcarbamoyloxy; R 4 4-diphenylyl.
To 10.56., G of 4- (1-hydroxy-2 - (Nimidazolyl-ethyl-diphenyl, prepared according to Example 16), 2.30 g of sodium borohydride in 50% is slowly added to 100 ml of dimethylformamide. The mixture was stirred at 25-30 for 1 hour, then 5.44 g of N, N-diethylcarbamoyl chloride was added. The mixture was heated under reflux for 5 hours, then poured into water and extracted with sulfuric ether. obtained after evaporation of the solvent t is purified on a chromatographic column with silica gel, using a mixture of benzene as an eluting solvent la and acetone (3: 2) The target compound (11 g) is converted to its hydrochloride by feeding hydrogen chloride into isopropanol. Melting point 215-216 ° C, 76% yield. Repeating the above procedure, but using benzoyl chloride, get -Benoyloxy-2 - ( N-imidazolyl) -ethyl-diphenyl and isolate it as a benzoate. (Ia, III, O, RRR 2. H, R-benzoyl oxides; R 4 diphenylyl).
Example 20 4-11-Propionyloxy-2 - (N-imidazolyl) -ethyl-biphenyl (Ia, III: n O, R, R-propionyloxy, R4.4-diphenylyl).
A mixture containing 13.2 g of 4-l hydroxy-2 - (L-imidazolyl) -ethyl-diphenyl, which is prepared in accordance with Example 16, 50 ml of pyridine and 26 ml of propionic anhydride are maintained for 2 hours. After heating is complete, the mixture is cooled, poured into water and after 4-5 hours of standing, the water is decanted. The oily residue, to which water is added, is extracted with sulfuric ether. Extracts washed twice
5% sodium bicarbonate solution and once with water and then dried over anhydrous sodium sulfate. The solvent is evaporated and the residue is crystallized from cyclohexane. As a result, 5.5 g of the title compound are obtained. The melting point of the product is 9092 ° C, yield 34%.
Found,%: C 74.84; H 6.54; N 8.9 C oHgoLog.
Calculated,%: C, 74.97; H 6.29; N 8.74.
Repeating the above procedure and using acetic anhydride and butyric anhydride instead of propionic anhydride, respectively, the following compounds are obtained in the form of their acid hydrates:
4-p-acetoxy-2- (N-imidazolyl) ethyl-diphenylchlorohydrate (la, III:, Nd-acetoxy; K 4 diphenylyl) with m. Pl. 214-217 C;
4- 1-butyryloxy-2- (N-imidazolyl) -ethyl-diphenylchlorohydrate (Ia, III: p O, R R-f R2 H, R3 4 diphenylyl), melting point 17Q ° C.
EXAMPLE 21: Repeating the procedure of examples 10-18 and using the known or intermediate compounds described in examples 1-9 as the source, synthesize the compounds listed in Table. 1 and 2. .Table
Continuation tabl | 1
Continuation of table 1
ABOUT
SNON
With NON
SNON
SNON
242-243 Hydrochloride
157-158
230-232
228-230
(M
(at
sg
S
with; o (d
EH

权利要求:
Claims (1)
[1]
Invention Formula
The method of obtaining derivatives of the azole formula
g
J., (ciH.) .-: BZ R-is 1,2,3,4 tetrahydro-b-naphthyl. group, 3-duryl group, 6-chloro, 6-bromo, 6-iodo, 6-nitro, 6-benzyl or 6-methyl 3-duryl group, 1 or 2 naphthyl group, chlorine, bromine or iodosubstituted 1 or 2 - naphthyl group, mesitylyl group, phenyl group, substituted in 2-, 3- or 4-position by an alkyl group with 1-6 carbon atoms, alkylthio group with 1-6 carbon atoms. or hydroxyl, amino, nitro, acetamido, phenyl, phenoxy, cyclohexyl, phenylthio, or benzylthio, 4-dibenzilyl group or 3,4-dioxyphenyl group, p O, 1 or 2,
a) one of R and R, which may be the same .or. different, represent a hydrogen atom, an alkyl group with 1-6 carbon atoms or a phenyl group, one of R 2 and R j is a co Qofi hydrogen atom, and the other is a hydrogen atom, a hydroxyl group, a benzoyl, hydroxy group, alkanoyloxy group with 2-7 carbon atoms, an N-alkylcarbamyloxy group in which the alkyl group contains 1-6 carbon atoms or S, N is a dialkyl-carbamoyloxy group in which each alkyl group contains 1-6 carbon atoms, under the conditions if R 2 and R j are carbon atoms, then R and R are hydrogen atoms
(OR
b) R- and R correspond to the data, in (a) the meanings of both Rj and R are the atom of a K.sub.O;
R
c) -C-C- - vinyl group,
RL R.
OR their salts, according to the fact that the compounds of the formula
ten
II
B4-tio- | - ((iHj) n-Y;
where n, r,
and R has the indicated meanings;
Y is a chlorine or bromine atom, with an imidazole or with its salt to obtain a compound of the general formula
I b
J -dOf - (g} pw t
KI
l.de R, R, Rj, n have the following values |
isolating it in free form or by reducing the compound of formula 16 with sodium borohydride. to obtain a compound of formula
jR XVKf
k, -., 1 in it and isolation in a free form or its interification with the formation of a compound of the formula
1 s
g K / .G
Jl -c-C-fdHz IT J
B, E.
and isolating it in free form or by transferring the resulting bases to salt.
Sources of information taken into account during the examination 1. Bühler, K., Pearson, D. Organic syntheses, including 1, M., Mir, 1973, p. 504.

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CA1116611A|1982-01-19|

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GB2030563A|1980-04-10|

---

IL57849A|1985-10-31|

---

EG14301A|1983-09-30|

---

DE2929777C2|1988-07-28|

---

DD144408A5|1980-10-15|

---

ATA505579A|1983-08-15|

---

PH19846A|1986-07-22|

---

AR221734A1|1981-03-13|

---

FI73668B|1987-07-31|

---

SE445640B|1986-07-07|

---

FR2434154A1|1980-03-21|

---

IT7826094D0|1978-07-26|

---

US4275071A|1981-06-23|

---

IE48368B1|1984-12-26|

---

AU528564B2|1983-05-05|

---

IL57849D0|1979-11-30|

---

NO155490C|1987-04-08|

---

HU184669B|1984-09-28|

---

ZA793808B|1980-08-27|

---

YU177879A|1983-01-21|

---

DK303079A|1980-01-27|

---

NO792404L|1980-01-29|

---

ES482782A1|1980-04-16|

---

FI792302A|1980-01-27|

---

GB2030563B|1982-12-08|

---

CH640837A5|1984-01-31|

---

GR69643B|1982-07-06|

---

FI73668C|1987-11-09|

---

FR2434154B1|1983-07-22|

---

DE2929777A1|1980-02-07|

---

SE7906357L|1980-01-27|

---

AU4906779A|1980-02-07|

---

IT1097314B|1985-08-31|

---

JPS6036426B2|1985-08-20|

---

AT374188B|1984-03-26|

---

IE790652L|1980-01-26|

---

PT69928A|1979-08-01|

---

NL7905630A|1980-01-29|

---

JPS5519294A|1980-02-09|

---

NO155490B|1986-12-29|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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IT26094/78A|IT1097314B|1978-07-26|1978-07-26|DERIVATIVES OF IMIDAZOLE WITH ANTI-CONVULSIVE ACTIVITY|

---