• 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:
    The invention is concerned with new chemical compounds being the hemiesters of steryl glycosides, methods of preparing these hemiesters, and pharmaceutically, particularly anti-inflammatory, compositions containing the new hemiesters.
    公开号:SU971103A3
    申请号:SU792788551
    申请日:1979-07-04
    公开日:1982-10-30
    发明作者:Хайнрих Пегель Карл
    申请人:Роекар Холдингс (Нетерландс Антиллес) Н.В.(Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a method for producing sitosteryl glycosides hemisuccinates of the general formula: where Z is a mono- or disaccharide A residue and is an succinic acid residue; or their alkaline, alkaline-earth or ammonium salts, which have f macologic activity. A known method for the preparation of hemisuccinates is that the alcohol is reacted with succinic anhydride 1. The use of a known reaction allows the preparation of new pharmacologically active hemisuccinates of sitosterylglucosides of the general formula I OR their alkali, alkaline earth or ammonium salts. The purpose of the invention is the preparation of sitosteryl glycosides hemisuccinates or their alkaline, alkaline earth or ammonium salts, which possess valuable pharmacological properties. The goal is achieved by the method of obtaining sitosteryl glycosides of general formula I or their alkaline, alkaline earth or ammonium salts, in which the sitosteryl glycoside is reacted with succinic anhydride in a molar ratio of 1: 1, 1: 2, 1: 3 or 1 rt. obtaining mono-, di-, tri- or tetraghemisuccinate, respectively, followed by isolation of the target product in free form or in the form of SALT O The increased solubility in water of compounds of general formula I compared to steryl glycosides was conjugated with unexpected gain.
    397
    biological effects These compounds can be used to treat ulcerative diseases, diabetes, normalize liver function, as part of tonic preparations, as laxatives. They also have a therapeutic effect in case of systemic hormonal disorders, in heart diseases and blood pressure disorders, in dermatitis, rheumatic diseases, epilepsy, allergic diseases of the respiratory tract, including asthma. These compounds show anti-inflammatory and diuretic activity. . The four hydroxyl groups of sitosteril-p-O-glucoside can produce many different esterification products, namely mono-, di-, triethyether. Among them are four monoethers, six diesters, four triesters, and only one tetraester, if only one dicarboxylic acid is used. (or monocarboxylic acid). In addition, if the task is to produce a steroline diester, not only different isomeric diesters are produced during the synthesis, but also some monotri and tetraesters are formed, so that the only way to obtain a steroline diester is to apply special precautions based on the use of complex and often difficult to work. techniques. In most cases, the products according to the invention are mixtures of isomers and the reaction becomes averaged.
    The use of compounds of general formula 1, in medicine, veterinary medicine and in the food industry, is identical to the use of sitosteryl-p-O-glucoside o However, while sterilglycosides must be monomolecularly dispersed to achieve maximum effect, compounds of general formula I do not require such a significant degree dispersion.
    Example, sitchemil / 3-0-glucoside digemisuccinate
    The solution of succinic anhydride (8.6 g,
    0.086 mol) and anhydrous sitosteryl / iD-glucoside (2.7 g, 0, mol) in anhydrous pyridine (90 ml) are refluxed for 30 minutes, then left to stand for 20 hours, then poured into vigorously stirred concentrated hydrochloric acid (10 ml) at 0 ° C. "The mixture is left for 2 hours, the precipitate of the half-ester is filtered off and washed with ice water until the neutral reaction of the wash water, dried in a vacuum cabinet, get sitosteril- / -0- glucoside (31.5 g, yield 9). TopPLo 246 ° С (gradual softening with weak decomposition), solubility in water at 25 ° С with the formation of a white gel, gradually becoming colloidal when diluted to 1.25-10 g / l.
    Similarly, using the corresponding molar ratios of sitosterylglucoside and succinic anhydride, the compounds listed in the table are obtained.
    Sitosteril-r -BTLUKOZID monohemisuccinate
    but
    Sitosteril - / b-P-glucoside trihemisuccinate
    Sitosteril-r-D-GLUKOSID tetraghemisuccinate
    Sitosteril-g-Stlucoside, monohemisuccinate, sodium salt
    65
    8.6
    8.0
    85
    权利要求:
    Claims (5)
    [1]
    Claim
    1. A method for the preparation of hemisuccinates of sitosteryl glycosides of the general formula j of succinic acid, their alkaline, alkaline earth ammonium salts, and the fact that sitosterilglyA - the residue or alkaline coside is reacted with succinic anhydride in a 1: 1 molar ratio , 1:
    [2]
    2, 1:
    [3]
    3 or 1:
    [4]
    4 for microfurnace. The white granules of the disodium salt of sitosteril-p-O-glucoside-diemisuccinate are ground to a white powder, so pl. 320 ° С (slow decomposition; 50 softening with decomposition: obtaining a brown color with the formation of a transparent melt).
    Solubility in water at 25 ° C
    [5]
    5‘10 g / l with the formation of a thick syrup that liquefies with dilution VNIIIPI Order 8446/80
    PPP Branch Patent for the production of mono-, di-, tri- or tetrahemisuccinate, respectively, followed by isolation of the target product in free form or in the form of salt. Sources of information taken into account during the examination 1. Beilsteins Handbuch der Organischen Chemie, 1933, Bd. 17, s. 4θ8, Berlin, Verlag von Julius Springer.
    ___ Circulation 388 Subscription Uzhhorod, st. Project, 4
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    同族专利:
    公开号 | 公开日
    US4254111A|1981-03-03|
    IE791238L|1980-01-05|
    DK285679A|1980-01-06|
    AU4866779A|1980-01-10|
    CA1142510A|1983-03-08|
    IE49728B1|1985-12-11|
    YU41651B|1987-12-31|
    PT69874A|1979-08-01|
    EP0007474B1|1985-01-23|
    AU521669B2|1982-04-22|
    ZA793321B|1981-03-25|
    AT11417T|1985-02-15|
    JPS5942680B2|1984-10-16|
    YU163979A|1983-04-30|
    IL57728A|1983-06-15|
    NZ190914A|1981-05-01|
    DE2967364D1|1985-03-07|
    EP0007474A1|1980-02-06|
    ES482241A1|1980-04-01|
    JPS5536472A|1980-03-14|
    IL57728D0|1979-11-30|
    IN152550B|1984-02-11|
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    JPS5874619A|1981-10-29|1983-05-06|Nippon Shinyaku Co Ltd|Liposome and its preparation|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB7828833|1978-07-05|
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