• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    (Omega-aminoalkoxy)bibenzyls of the general formula processes for their preparation and pharmaceutical compositions containing these substances are disclosed. The (omega-aminoalkoxy)bibenzyls are useful as pharmaceuticai agents, particularly as inhibitors of platelet aggregation
    公开号:SU786883A3
    申请号:SU782668855
    申请日:1978-10-06
    公开日:1980-12-07
    发明作者:Кикумото Риодзи；Ниномия Кунихиро；Фуками Харуказу；Хара Хирото
    申请人:Мицубиси Кемикал Индастриз Лимитед (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a process for the preparation of new ((d) -aminoalkoxy) -bi benzyls of the general formula eV "", "H,, where R-1) is -Tifv, where R and R 2 are the same or different, hydrogen, C -C- alkyl or C -Cg-hydroxyalkyl, or 2) - vPA, where A is a bivalent radical consisting of two or more groups that are methylene -CHn, monosubstituted methylene -CHR or disubstituted methylene, where independently of each other - Cjj-Cg-alkyl, carboxyl, Cj alkoxy1 arbanyl, hydroxyl or CONv where R (jK Rj is hydrogen or one or more hydroxy-0-, thio-S-, imino-NH - or imino-imino-NRj - groups, where R - C-C alkyl, or C; (- C5-oxyapkyl, which are connected in random order, with the number of groups being up to 9.; each of the radicals Y or Y is hydrogen, halogen, Cx-C5 -alkyl, hydroxyl, C -C-alkoxy, carboxyl, C-C-alk1. hydroxycarbonyl or -K i where Rp or RIO is hydrogen or C-Cj alkyl; ni-l-5; or their salts possessing biological activity. The reaction of halogen derivatives with amines l is widely known. The purpose of the invention is the synthesis of new compounds, expanding the arsenal of means for influencing a living organism. The goal is achieved by the proposed method of obtaining compounds of the formula based on the known reaction and that the compound of the formula 0 ((lH2) nX VcH, (iH, (Y) m where X is halogen, U, U, t, t, n have the indicated meanings, are subjected to a mixture of iodine with an amine of the formula where R has the indicated values, at a temperature of from room temperature to 150 with the selection of the target product in a bonded state or as a salt. Example: Solution 3.19 g of 2- {3-bromopropoxy a) bibenzyl in 60 m of ethanol and 30 ml of a 50% aqueous solution of dimethilag are kept at room temperature e for 20 hours. Ethanol or excess dimethyl is stripped off in vacuo, 2N aqueous solution of CaOH is added, the reaction product is extracted with isopropyl ether. Isopropyl extract is dried with sodium sulfate, then 20% ethanol solution of HC1 is added. The resulting precipitate is filtered off and per is crystallized from ethanol-ether, 2.88 g (90% yield) of 2- (3-dimethylaminopropoxy) bibenzyl hydrochloride is obtained with a mp of 134-136 ° C. Calculated for C ig H25 NO-HC1,%: C 71, 34; H 8.19; N 4.38. Found%: C 71.20, H 8.28, M 4, Example 2: A solution of 3.33 g. 2- (4-bromobutoxy) -bibenzyl and 6 g of piperazine in 20 ml of ethanol are heated with by reverse distillation over 10 Ethanol and the excess piperazine is distilled off in vacuo, 2N is added. an aqueous solution of NaOH and the reaction product is extracted with benzene. The benzene extract is dried with anhydrous sodium sulfate and distilled off in vacuo. The residue was dissolved in ethyl ether and a 20% ethanolic solution of HCl was added. The precipitate formed is filtered off and recrystallized from ethanol-ether, and 3.09 g (75% yield) of 2-4- (1-piperazinyl) -butoxy-bibenzyl dichlorohydrate is obtained with mp. 134-140 ° C. Calculated for Crjj N jO 2HC1,% C 64.23; H 7.84; N 6.81 С 63.99; H 7.51; Found,%; N 6.77. To the solution of Example, 1.9 g of 4-piperidinecarboxylic acid and -1.2 g of caustic soda in 50 ml of ethanol are added dropwise 5 g of 2- | (4-bromobutoxy) -bibenzyl during crude distillation, which is continued for 30 minutes The mixture is then concentrated in order to remove the solvent. Water is added to the residue, then the pH of the mixture is adjusted to 2-3. hydrochloric acid. The product is extracted with chlorine form, the extract is washed with a saturated solution of sodium chloride and dried with anhydrous sodium sulfate. The solvent is distilled off in vacuo and 4.8 g (77% yield) of 2-4- (4-carboxypiperidine) -butoxy-bibenzyl hydrochloride are obtained with a mp. 155-162 0. Calculated for HC1,%; C 68.97; H 7.72; N 3.35. Found,%: with 68.69, H 7.83; N3.11. EXAMPLE 4 A solution of 2 g of 2- (2bromethoxy) -bibenzyl and 1.7 g of 4-piperidinecarboxanide in 20 ml of tetrahydrofuran and 10 ml of water is stirred at 70-sec for 10 hours. The reaction mixture is evaporated and the residue add 1H. NaOH aqueous solution. The crystals formed are filtered off, washed well with water and recrystallized from ethanol, 1.9 g (yield 82%) of 2-2- (4-carbomoylpiperidine) -ethoxydibibenyl are obtained, m.p. 60-63 C. Calculated for dL,%: C 74.97; H .8.01; N 7.95. Found,%: C, 74.81) H, 7.90; N, 7.91 Example 5. To a solution of 3 g of hydrochloride (4-carboxypropyl-dian-butoxy-bibenzyl in 30 ml of ethanol is added 0.9 g. thionyl chloride. The reaction mixture was stirred for 1 h, heated for 30 minutes with reverse distillation, evaporated in vacuo and recrystallized from ethanol-ether and 2.8 g (yield 87%) of hydrochloride (4 ethoxy-bonylpiperidine) -butoxy-bibeneyl with m.p. 64-87C. Calculated for C WlKCl,% g C 70.1o; H 8.14; N 3.14, Found,%: C 69.82; H 8.01; N 3.33. Example K6.0g of (4-carboxypiperidine) -butoxyD-bibenzyl hydrochloride was added dropwise 15 ml of thionyl chloride with stirring. The reaction mixture is stirred at room temperature for 3 hours. Upon completion of the reaction, the reaction mixture became homogeneous. At the end of the reaction, anhydrous ether is added and the resulting oily product is washed well 2-3 times with anhydrous ether. Anhydrous ether and mixtures are added to the washed oil and allowed to stand to isolate (4-chlorocarbonylpiperidine) butoxy-bibenzyl hydrochloride crystals, which are sufficiently dried for use in the subsequent reaction. To a solution of 10 ml of 50% aqueous dimethylamine and 10 ml of tetrahydrofuran, cooled in an ice-salt bath, was quickly added 1.5 g of crystalline 2- | 3- (4-chlorocarbonylpiperidine) -butoxy 3-bibeneyl hydrochloride while stirring . The mixture is allowed to react for 1.5 h, then it is evaporated. To the concentrate was added 2N. water
    NaOH solution and the product is extracted with ether. The ether extract is washed with a saturated solution of sodium chloride and dried with anhydrous sodium sulfate. A 20% HCl reference solution was added to the ethereal solution to obtain a precipitate. Recrystallization from ether ethanol gives 1.2 g (yield 78%) of hydrochloride 2-4- (4-dimethylcarbamoylpiperidine) butoxy1-bibenzyl with so pl. 159-160 ° C.
    Calculated for C2 (N, NBM2Oy-HC1,%: C, 70.17; H, 8.38; N, 6.29.
    Found,%: C 69, 8.23; N 6.41.
    PRI me R 7. A solution of 3.05 g of 2- (4-bromobutoxy) -2-chlorobibenzyl 15 ml of a 50% aqueous solution of dimethylamine and 15 ml of tetrahydrofuran are stirred at room temperature for 5 hours. The reaction mixture is evaporated, the concentrate is added are 2N. solution of WaOH. The product is extracted with ether, washed well with a saturated solution of sodium chloride in water and dried with anhydrous sodium sulfate. A 20% ethanolic solution of HCl is added to the ether solution to obtain white crystals. Recrystallization from ethanol-ether gives
    2.8 g (93% yield) of 2- (4-dimethylaminobutoxy) -2-chlorobibenzyl hydrochloride with mp. 122-123 C.
    Calculated for H MSAbO-HCl,%:, 22; H 7.39; VI 3.80. Found,%: C 65.51; H 7.09;
    N 3.81.
    PRI me R 8. A solution of 3.0 g of 2- (4-bromoethoxy) -2-methoxybenzyl and 2.3 g of 4- (2-hydroxyethyl) piperazine in 30 ml of tetrahydrofuran and 10 ml of water is stirred while 8h At the end of the reaction, the same treatment as in Example 7 was carried out. Pere-. crystallization from methanol-ether 5 gives 2.7 g (yield 72%) of 2-4- | 4- (2-hydroxyethyl) -1-piperazinyl dichloride butoxy-2-methoxybibenyl dichlorohydrate, m.p. 188-191 ° C.
    Calculated for NjOj-HCl,%: ° C 61.85; H 7.89;
    N 5.77. Found,%: C 61.84; H 8.19;
    N 5.61.
    According to the methods of these examples, various other CO-amino5 alkoxy) -bibenzyls are synthesized.
    The table shows all the results obtained, including the above.
    examples
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    权利要求:
    Claims (1)
    [1]
    from the claims The method of obtaining (o) -aminoalkoic bibeneyls of the general formula "": H2) pc / O CH2CY2 (where R is 1). where R. is the same or different, selected from the group comprising hydrogen, C alkyl and CJ-Cg-hydroxyalkyl, or 2) -N where A is a bivalent radical, which includes two or more groups selected from methylene -CH2-, monosubstituted methylene - (“-, doped methylene R independently —C — C-alkyl, carboxyl, SL-C, -alkoxycarbonyl, where R is hydroxyl or —some hydrogen or -alkyl; one or more than one group selected from the group consisting of hydroxy-0, thio-S / imino - ;; MN and substituted imino group - m-, where Rg is C-C-alkyl or C-C5-oxyalkyl which are combined in an arbitrary manner Moreover, the number of the combined groups is up to 9; each of the radicals H and Y is hydrogen, ggsshogen, C-Cd-alkyl, g-roxyl, C -Cy-alkoxy, carboxyl, Bd Crt-Ci-gxcoxycarbonyl or 10 where RoH is hydrogen or C, pg2-8 m 1-lt; mil-5, or their salts, characterized in that the compound of the general formula cn, "," (Y) m (Y) where X is halogen, H, m, m are defined as above, they are reacted with an amino formula where R is as defined above, at a temperature of from room temperature to 50 ° C, to release the desired product in free form or as a salt. Priority on increments: 07.10.77 with R - 1) - T (.. R; 2 identical or different, selected from the group including hydrogen, C; -C-alkyl and C f-Cg oxyalkyl, or 2) -, where A bivalent radical, which includes two or more groups selected from methylene - CH C2 - and monosubstituted methylene - (J- where s With -C-alkyl or hydroxyl one or more than one group selected from the group comprising hydroxy-0- , thio-S, imino-1 / and substituted imino group I, where K is -C-C-alkyl or -; oxyalkyl, which are combined in an arbitrary order, while the number of & groups is equal to from 9 to 9; each of the radicals Y and Y is hydrogen, PS 2-8; mil, or its salt; 14.07.78 with R -, where A is a bivalent radical, which includes two or more groups selected from methylene and monosubstituted by H. methylene-C-, where R car is bauxyl, C / 2-C-alkoxy xchrboin or (JOKv where Cdi is hydrogen or C-C alkyl, which are combined in random order, the number of combined groups is 2-7, each of the radikgshovs Y and Y are hydrogen, - n 2 - i 1 and m-1, or its acid salt; 01.08.78 at R - 1) h where R, and Rg are the same or different, are selected from the group consisting of hydrogen, C —Su-hydroxyalkyl, or 2) N .A, where A is a bivalent radical consisting of two or more groups selected from methylene — CHj, -, monosubstituted methylene —C, and dibasI substituted methylene, where independently —C — C-alkyl, carboxyl, Cj — C-alkoxycarbonyl, hydroxyl or d —COK where hydrogen or Ci — Cc- f (about 13 alkyl; one or more than one, selected from the group consisting of imino-NH- and substituted imino group; where Rg is -alkyl or C-C-oxyalkyl, which are combined in an arbitrary pore Moreover, the number of the combined groups is 2-7, caddy of the radicals Y and Y is hydrogen, halogen, C-C-alkyl, hydroxyl, C-C-alkoxy, carboxyl, p-aa Cj-Cg-alkoxycarbonyl or | where Rn and R, o is hydrogen or C-Cyalkyl; ty - “. t-1-5, or its salt, Sources of information taken into account during the examination 1. Bchercher K., Pearson D. Organic Synthesis, 1973, hL, M., Mir, pp. 504.
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    引用文献:
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    法律状态:
    优先权:
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