CH565129A5 - Esters and salts of cholic acid derivs - having choleretic activity - Google Patents
Esters and salts of cholic acid derivs - having choleretic activityInfo
- Publication number
- CH565129A5 CH565129A5 CH101272A CH101272A CH565129A5 CH 565129 A5 CH565129 A5 CH 565129A5 CH 101272 A CH101272 A CH 101272A CH 101272 A CH101272 A CH 101272A CH 565129 A5 CH565129 A5 CH 565129A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- formula
- cooh
- filtered
- bile
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/0055—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by an uninterrupted chain of at least three carbon atoms which may or may not be branched, e.g. cholane or cholestane derivatives, optionally cyclised, e.g. 17-beta-phenyl or 17-beta-furyl derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Abstract
Title cpds. are of formula (I) or (II): A-COO-Alk-NR1R2.HOOC-B (I) A-COOH.R2R1N-Alk-OOC-B (II) (where A-COO is a bile acid radical, B-COO is the radical of an acid which has choleretic activity synergistic with that of the bile acid; Alk is ethylene, propylene or isopropylene, and R1 and R2 are independently H or lower alkyl, or NR1R2 forms a heterocyclic ring opt. contg. N or O as additional heteroatoms, and opt. substd. by alkyl radicals). A-COOH is pref. cholic, deoxycholic, chenodeoxycholic, dehydrocholic or lithocholic acid. B-COOH is pref. 1,2-dithiolan-3-valerianic acid, cinnamic acid (opt. substd. by 1-3 OH, lower alkoxy, lower acyloxy or halogen gps.), orotic acid or an S-contg. amino-acid, e.g. cysteine, methionine or arginine.
Description
Gegenstand des Patentes ist ein Verfahren zur Herstellung von Salzen von substituierten Zimtsäure-dialkylaminoalkylestern mit Gallensäuren der Formel
EMI1.1
worin X, Y und Z, die gleich oder verschieden sein können, Wasserstoff, Hydroxyl, Halogen, niedriges Alkyl, niedriges Alkoxy oder niedriges Alkoyl, n = 2 oder 3, R einen Alkylrest mit 1 bis 3 C-Atomen und A-COOH eine Gallensäure bedeuten, dadurch gekennzeichnet, dass man einen basischen Ester der Formel
EMI1.2
mit einer Gallensäure umsetzt.
Die durch Salzbildung hergestellten neuen Verbindungen besitzen choleretische und leberschützende Eigenschaften.
Das Verfahren wird vorzugsweise in einem geeigneten organischen Lösungsmittel beim Siedepunkt durchgeführt.
Eventuelle Verunreinigungen kann man heiss filtrieren. Nach dem Abkühlen kristallisiert das Salz aus. Es kann auch durch Eindampfen in kristallisierter Form gewonnen werden. Die Ausbeuten liegen zwischen 80-90 90 der Theorie.
Beispiel 1
16,8 g (0,05 Mol) 3-Methoxy-4-acetoxy-zimtsiure-di- äthylaminoäthylester werden in 150 ml absolutem Äthylalkohol gelöst. Man fügt 20,1 g (0,05 Mol) Dehydrocholsäure zu dieser Lösung und heizt das Reaktionsgemisch bis zum Siedepunkt, wo sich eine klare Lösung bildet. Nach Abkühlen kristallisiert das 3 -Methoxy-4-acetoxy-zimtsäure-diäthylamino.
äthylester-dehydrocholat aus. Das Rohprodukt wird nach einigen Stunden abgesaugt, mit Äthylalkohol gewaschen und in Vakuum getrocknet. So gewinnt man 32,3 g des gewünschten Salzes, dessen Zersetzungspunkt nach Umkristallisieren aus Äthylalkohol bei 168-169 C liegt.
Beispiel 2
6,0 g (0,02 Mol) 3-Methoxy-4-hydroxy-zimtsäure-di- äthylamino-äthylester werden in 30 ml Chloroform gelöst, und mit einer Suspension von 8 g Dehydrocholsäure in 80 ml Chloroform versetzt. Man heizt das Gemisch am Rückfluss, filtriert die Lösung von den eventuellen Verunreinigungen, und dampft sie in Vakuum ein. Der Rückstand wird in Diisopropyläther aufgenommen, filtriert, mit Äther gewaschen und in Vakuum getrocknet.
Man gewinnt 12,8 g hellgelbe Kristalle, deren Zersetzungspunkt 102-105"C ist. Ausbeute 91,5%.
PATENTANSPRUCH
Verfahren zur Herstellung von Salzen von substituierten Zimtsäure-dialkylaminoalkylestern mit Gallensäuren der Formel
EMI1.3
worin X, Y und Z, die gleich oder verschieden sein können, Wasserstoff, Hydroxyl, Halogen, niedriges Alkyl, niedriges Alkoxy oder niedriges Alkoyl, n = 2 oder 3, Reinen Alkylrest mit 1 bis 3 C-Atomen und A-COOH eine Gallensäure bedeuten, dadurch gekennzeichnet, dass man einen basischen Ester der Formel mit einer Gallensäure umsetzt.
EMI1.4
UNTERANSPRÜCHE
1. Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass die Reaktion in einem organischen Lösungsmittel ausgeführt wird.
2. Verfahren nach Patentanspruch und Unteranspruch 1, dadurch gekennzeichnet, dass die Reaktion bei Siedehitze durchgeführt wird.
**WARNUNG** Ende DESC Feld konnte Anfang CLMS uberlappen**.
The subject of the patent is a process for the preparation of salts of substituted dialkylaminoalkyl cinnamates with bile acids of the formula
EMI1.1
wherein X, Y and Z, which can be identical or different, are hydrogen, hydroxyl, halogen, lower alkyl, lower alkoxy or lower alkoyl, n = 2 or 3, R is an alkyl radical having 1 to 3 carbon atoms and A-COOH is Bile acid mean, characterized in that there is a basic ester of the formula
EMI1.2
reacts with a bile acid.
The new compounds produced by salt formation have choleretic and liver-protecting properties.
The process is preferably carried out in a suitable organic solvent at the boiling point.
Any impurities can be filtered hot. After cooling, the salt crystallizes out. It can also be obtained in crystallized form by evaporation. The yields are between 80-90 90 of theory.
example 1
16.8 g (0.05 mol) of 3-methoxy-4-acetoxy-cinnamic acid diethylaminoethyl ester are dissolved in 150 ml of absolute ethyl alcohol. 20.1 g (0.05 mol) of dehydrocholic acid are added to this solution and the reaction mixture is heated to the boiling point, where a clear solution is formed. After cooling, the 3-methoxy-4-acetoxy-cinnamic acid diethylamino crystallizes.
ethyl ester dehydrocholate. After a few hours, the crude product is filtered off with suction, washed with ethyl alcohol and dried in vacuo. In this way 32.3 g of the desired salt are obtained, the decomposition point of which after recrystallization from ethyl alcohol is 168-169 ° C.
Example 2
6.0 g (0.02 mol) of 3-methoxy-4-hydroxycinnamic acid-diethylamino-ethyl ester are dissolved in 30 ml of chloroform, and a suspension of 8 g of dehydrocholic acid in 80 ml of chloroform is added. The mixture is heated to reflux, the solution is filtered to remove any impurities and it is evaporated in vacuo. The residue is taken up in diisopropyl ether, filtered, washed with ether and dried in vacuo.
12.8 g of pale yellow crystals are obtained, the decomposition point of which is 102-105 ° C. Yield 91.5%.
PATENT CLAIM
Process for the preparation of salts of substituted dialkylaminoalkyl cinnamates with bile acids of the formula
EMI1.3
wherein X, Y and Z, which can be the same or different, are hydrogen, hydroxyl, halogen, lower alkyl, lower alkoxy or lower alkoyl, n = 2 or 3, a pure alkyl radical having 1 to 3 carbon atoms and A-COOH is a bile acid mean, characterized in that a basic ester of the formula is reacted with a bile acid.
EMI1.4
SUBCLAIMS
1. The method according to claim, characterized in that the reaction is carried out in an organic solvent.
2. The method according to claim and dependent claim 1, characterized in that the reaction is carried out at boiling point.
** WARNING ** End of DESC field could overlap beginning of CLMS **.
Claims (1)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH101272A CH565129A5 (en) | 1972-01-24 | 1972-01-24 | Esters and salts of cholic acid derivs - having choleretic activity |
SE7209401A SE378811B (en) | 1971-08-04 | 1972-07-17 | |
US00272156A US3846411A (en) | 1971-08-04 | 1972-07-17 | Choleretically active esters and salts of bile acids |
GB3358672A GB1388427A (en) | 1971-08-04 | 1972-07-18 | Bile acid derivatives and the manufacture thereof |
BE786477A BE786477A (en) | 1971-08-04 | 1972-07-19 | ESTERS AND SALTS OF ACTIVITY GALLIC ACIDS |
DK359972AA DK135721B (en) | 1971-08-04 | 1972-07-20 | Analogous process for the preparation of choleretically active esters or salts of bile acids. |
FR7226261A FR2148002B1 (en) | 1971-08-04 | 1972-07-20 | |
CA147,854A CA969173A (en) | 1971-08-04 | 1972-07-25 | Choleretically active esters and salts of bile acids |
IL39999A IL39999A0 (en) | 1971-08-04 | 1972-07-26 | Choleretically active esters and salts of bile acids |
NL7210586A NL7210586A (en) | 1971-08-04 | 1972-08-02 | |
DE2238304A DE2238304C3 (en) | 1971-08-04 | 1972-08-03 | (Choleretically active) esters or salts of dehydrocholic acid, processes for their production and medicinal preparations containing these compounds |
ES405492A ES405492A1 (en) | 1971-08-04 | 1972-08-03 | Choleretically active esters and salts of bile acids |
US492713A US3910888A (en) | 1971-08-04 | 1974-07-29 | Choleretically active esters and salts of bile acids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH101272A CH565129A5 (en) | 1972-01-24 | 1972-01-24 | Esters and salts of cholic acid derivs - having choleretic activity |
Publications (1)
Publication Number | Publication Date |
---|---|
CH565129A5 true CH565129A5 (en) | 1975-08-15 |
Family
ID=4200382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH101272A CH565129A5 (en) | 1971-08-04 | 1972-01-24 | Esters and salts of cholic acid derivs - having choleretic activity |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH565129A5 (en) |
-
1972
- 1972-01-24 CH CH101272A patent/CH565129A5/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
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PL | Patent ceased |