DD297647A5 - NEW THIENYCARBONIC ACID ESTERS OF AMINO ALCOHOLIC PRODUCTS, THEIR QUATERNATION PRODUCTS AND THE PREPARATION AND USE OF THESE COMPOUNDS - Google Patents
NEW THIENYCARBONIC ACID ESTERS OF AMINO ALCOHOLIC PRODUCTS, THEIR QUATERNATION PRODUCTS AND THE PREPARATION AND USE OF THESE COMPOUNDS Download PDFInfo
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- DD297647A5 DD297647A5 DD90343854A DD34385490A DD297647A5 DD 297647 A5 DD297647 A5 DD 297647A5 DD 90343854 A DD90343854 A DD 90343854A DD 34385490 A DD34385490 A DD 34385490A DD 297647 A5 DD297647 A5 DD 297647A5
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D451/00—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
- C07D451/14—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing 9-azabicyclo [3.3.1] nonane ring systems, e.g. granatane, 2-aza-adamantane; Cyclic acetals thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D451/00—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
- C07D451/02—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof
- C07D451/04—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof with hetero atoms directly attached in position 3 of the 8-azabicyclo [3.2.1] octane or in position 7 of the 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring system
- C07D451/06—Oxygen atoms
- C07D451/10—Oxygen atoms acylated by aliphatic or araliphatic carboxylic acids, e.g. atropine, scopolamine
Abstract
Description
hydroxysubstituierten CH^-Alkylrest, R' einen C4-Ce-Alkylenrest bedeutet und R und R' gemeinsam auch einen C4-Ce-Alkylenrest bilden können, und wobei im Falle der Quatärverbindungen der positiven Ladung des N-Atoms ein Äquivalent eines Anions gegenübersteht (X0),hydroxy-substituted CH ^ alkyl radical, R 'is a C 4 -C e -alkylene radical and R and R' together can also form a C 4 -C 6 -alkylene radical, and wherein in the case of the quaternary compounds of the positive charge of the N atom, one equivalent of a Facing Anions (X 0 ),
für einen Thionyl-, Phenyl-, Fury I-, Cyclopentyl- oder Cyclohexylrest, wobei diese Reste auch methylsubstituiert, Thionyl und Phenyl auch fluor- oder chlorsubstituiert sein können, für Wasserstoff, OH, C,-C4-Alkoxy oder C,-C4-Alkyl, Ra für H, F, Cl oder CH3 steht und, falls =NR eine sekundäre oder tertiäre Aminogruppe bedeutet, auch die Säureadditionssalze. In den Verbindungen der Formel I steht R1 bevorzugt für Thionyl, R2 bevorzugt für OH. Die Gruppe -OA hat bevorzugt a-Konfiguration und leitet sich z. B. von Scopin, Tropin, Granatolin oder 6,7-Dehydrotropin bzw. entsprechenden Nor-Verbindungen ab; -OA kann jedoch auch ß-Konfiguration aufweisen wie in Pseudotropin, Pseudoscopin. Entsprechende Reste sind z. B.for a thionyl, phenyl, fury I, cyclopentyl or cyclohexyl radical, where these radicals may also be methyl-substituted, thionyl and phenyl may also be fluorine- or chlorine-substituted, for hydrogen, OH, C, -C 4 -alkoxy or C, - C 4 alkyl, R a is H, F, Cl or CH 3 and, if = NR represents a secondary or tertiary amino group, and the acid addition salts. In the compounds of the formula I, R 1 is preferably thionyl, R 2 is preferably OH. The group -OA preferably has a configuration and is derived, for example, from From scopine, tropine, garnetolin or 6,7-dehydrotropin or corresponding Nor compounds; However, OA may also have β configuration as in pseudotropin, pseudoscopin. Corresponding radicals are z. B.
R-NR-N
-0--0-
R-N^-R1 RN ^ -R 1
R-NR-N
O , -0-/ R-N®-R·O, -O- / R-N®-R ·
R-NR-N
R-NR-N
-O-O
Der Substituent R ist bevorzugt ein niederer Alkylrest we CH3, C2He, "-CaH7,1-C3H7, R' bevorzugt CH3, R und R' gemeinsam sindThe substituent R is preferably a lower alkyl radical CH 3 , C 2 He, "-CaH 7 , 1-C 3 H 7 , R 'are preferably CH 3 , R and R' in common
z. B. -(CH2Is-. Als Halogensubstituent für R kommt F oder in zweiter Linie Cl in Frage.z. B. - (CH 2 Is-. As a halogen substituent for R is F or secondarily Cl in question.
Bedeutet R einen halogen- oder hydroxysubstituierten Alkylrest, so handelt es sich bevorzugt um -CH2-CH2F bzw. -CH2-CH2OH.If R is a halogen- or hydroxy-substituted alkyl radical, it is preferably -CH 2 -CH 2 F or -CH 2 -CH 2 OH.
Dementsprechend steht die Gruppe Az. B. für die Reste des Scopins, des N-Ethylnorscopins, des N-Isopropylnorscopins, des Tropins, des N-lsopropylnortropins, des 6,7-Dehydrotropins, des N-ß-Fluorethylnortropins, des N-lsopropyl-6,7-Dehydronortropins, desAccordingly, the group Az. B. represents the residues of scopine, of N-ethylnorcopine, of N-isopropylnorcopine, of tropine, of N-isopropylnortropine, of 6,7-dehydrotropin, of N-β-fluoroethylnortropine, of N-isopropyl -6,7-Dehydronotropin, des
N-Methylgranatolins bzw. die entsprechenden Quatärverbindungen, wobei das Anion bevorzugt Br6 bzw. CH3SOf ist.N-Methylgranatolins or the corresponding Quatärverbindungen, wherein the anion is preferably Br 6 or CH 3 SOf.
R1-C-CO-R 1 -C-CO-
kommen vor allem in Betracht:are especially considered:
HO-C-CO-HO-C-CO-
HO-C-CO-HO-C-CO-
H3C-C-CO-H 3 CC-CO-
HO-C-CO-HO-C-CO-
HO-C-CO-HO-C-CO-
Für die therapeutische Anwandung eignen sich besonders die Quatärverbindungen, während die Tertiärverbindungen außer als Wirkstoffe auch als Zwischenprodukte wichtig sind.Particularly suitable for the therapeutic application are the quaternary compounds, while the tertiary compounds are also important as intermediates except as active ingredients.
Die erfindungsgemäßen Verbindungen stellen stark und lange wirksame Antichlolinergika dar. Bei Dosierungen im ug-Bereich werden inhalativ Wirkungsdauern von mindestens 24 Stunden erreicht. Die Toxizität liegt zudem im gleichen Bereich wie bei dem Handelsprodukt Ipratropiumbromid, während gleichzeitig die therapeutische Wirkung stärker ist.The compounds according to the invention are strong and long-acting anticholinergics. At dosages in the μg range, inhalation periods of at least 24 hours are achieved by inhalation. The toxicity is also in the same range as the commercial product ipratropium bromide, while at the same time the therapeutic effect is stronger.
Die neuen Verbindungen eignen sich, entsprechend ihrer Natur als Anticholinergika, z. B. zur Behandlung von chronisch obstruktiver Bronchitis und (Ieichtem bis mittelschwerem) Asthma, ferner zur Behandlung vagal bedingter Sinusbradykardien.The new compounds are suitable, according to their nature as anticholinergics, eg. B. for the treatment of chronic obstructive bronchitis and (mild to moderate) asthma, further for the treatment of vagally induced sinus bradycardia.
Während sich bei Atemwegserkrankungen hauptsächlich die ir.halative Anwendung der nouen Wirkstoffe (insbesondere der Quatärverbindungen) empfielt, wodurch Nebenwirkungen weitgehend ausgeschaltet werden, erfolgt die Anwendung bei Sinusbradykardien vorzugsweise intravenös oder oral. Dabei erweist sich als vorteilhaft, daß die neuen Verbindungen die Magert/Darm-Motilität weitgenend unbeeinflußt lassen.While in respiratory diseases mainly the ir.halative use of the nouen active ingredients (in particular the quaternary compounds) is recommended, whereby side effects are largely eliminated, the application in sinus bradycardia is preferably intravenous or oral. It proves to be advantageous that the new compounds leave the lean / bowel motility largely unaffected.
Für die Applikation werden die erfindungsgemäßen Verbindungen mit bekannten Hilfs- und/oder Trägerstoffen zu gebräuchlichen galenischen Zubereitungen verarbeitet, z. B. zu Inhalationslösungen, Suspensionen in verflüssigten Treibgasen, Liposomen bzw. Proliposomen enthaltenden Zubereitungen, Injektionslösungen, Tabletten, Dragees, Kapseln, Inhalationspulvern zur Anwendung in üblichen Inhalationsgeräten.For the application, the compounds of the invention with known excipients and / or carriers are processed into conventional pharmaceutical preparations, for. As to inhalation solutions, suspensions in liquefied propellants, liposomes or proliposomes containing preparations, injection solutions, tablets, dragees, capsules, inhalation powders for use in conventional inhalers.
Formulierungsbeispiele (Angaben in Gew.-%):Formulation Examples (in% by weight):
1. Dosieraerosol Wirkstoff gemäß der Erfindung Sorbitantrioleat Monofluortrichlormethan und Difluordichlormethan 2:31. Metered dose inhalant Active ingredient according to the invention Sorbitan trioleate Monofluorotrichloromethane and difluorodichloromethane 2: 3
0,005 0,10.005 0.1
ad 100ad 100
Die Suspension wird in einen üblichen Aerosolbehälter mit Dosierventil gefüllt. Pro Betätigung werden vorzugsweise 50μΙ Suspension abgegeben. Der Wirkstoff kann gewünschtenfalls auch höher dosiert werden (z. B. 0,02 Gew.-%).The suspension is filled in a conventional aerosol container with metering valve. Per actuation preferably 50μΙ suspension are delivered. If desired, the active ingredient can also be metered in higher (for example 0.02% by weight).
Dia Bestandteile werden in üblicher Weise zu Tabletten von 200mg verarbeitet.Dia ingredients are processed in the usual way to tablets of 200mg.
Die vorteilhaften Eigenschaften der neuen Verbindungen zeigen sich beispielsweise in der Hemmung der Broncholyse am Kaninchen (Acetylcholinspasmus i.V.). Nach intravenöser Gabe der neuen Wirkstoffe (Dosis 3pg/kg i.v.) trat die maximale Wirkung nach 10 bis 40 Minuten ein. Nach 5 Stunden war die Hemmwirkung noch nicht auf die Hälfte gesunken, d. h. die Halbwirkungszeit beträgt mehr, z.T. erheblich mehr als 5 Stunden, wie die nachstehend aufgeführten Restwirkungen nach 5 Stunden deutlich machen:The advantageous properties of the new compounds are shown, for example, in the inhibition of broncholysis in rabbits (acetylcholine spasm i.V.). After intravenous administration of the new drugs (dose 3pg / kg i.v.), the maximum effect occurred after 10 to 40 minutes. After 5 hours, the inhibitory effect had not yet halved, d. H. the half-action time is more, z.T. significantly more than 5 hours, as the following residual effects after 5 hours make clear:
Verbindung Restwirkung in %Compound residual effect in%
Verbindungen der FormelCompounds of the formula
HO-C-CO-A R-,HO-C-CO-A R-,
Verbindungconnection
A -O / CH3-N^-CH3 A is -O / CH 3 -N ^ -CH 3
R1R1
2-Thienyl2-thienyl
B -O—/ CH3-N^-CH3 B is -O- / CH 3 -N ^ -CH 3
3-Thienyl3-thienyl
D -O—/ CII3-N^-CH3 D -O- / CII 3 -N ^ -CH 3
2-Thienyl2-thienyl
E -O / CH3-NaB-CH3 E -O / CH 3 -NaB-CH 3
3-Thienyl3-thienyl
Cyclopentylcyclopentyl
Br©br ©
Cyclopentylcyclopentyl
Verbindung CCompound C
HO-C-CO-OHO-C-CO-O
1. Bei den Verbindungen, in denen Ri nicht 2-Thlenyl ist, handelt es sich um Racemate.1. Compounds in which Ri is not 2-thlenyl are racemates.
2. Es handelt sich jeweils um 3a-Verbindungon.2. Each is 3a compound.
Zur Hersteilung der neuen Verbindungen dienen an sich bekannte Verfahren. Bevorzugt wird ein Ester der FormelTo Hersteilung the new compounds are known methods used. Preference is given to an ester of the formula
(IV),(IV),
R1-C-CO-OR"R 1 -C-CO-OR "
R2 R 2
worin R" für einen C1-C4-AIkVIrBSt, vorzugsweise für einen Methyl oder Ethylrest steht (R1, R2 und R, haben die obige Bedeutung), mit einem Aminoalkohol der Formelwherein R "is a C 1 -C 4 -AIkVIrBSt, preferably a methyl or ethyl radical (R 1 , R 2 and R, have the above meaning), with an aminoalcohol of the formula
HO-CHHIGH
(V)(V)
<CH2>n< CH 2> n
worin m, η und Q die obige Bedeutung haben, Q" für =NR oder für =NR steht und die OH-Gruppe sich in α oder ß-Stellung befindet, in Gegenwart eines üblichen Umesterungskatalysators umestert und die erhaltene Verbindung gegebenenfallswherein m, η and Q have the above meaning, Q "is = NR or for = NR and the OH group is in α or ß-position, transesterified in the presence of a conventional transesterification catalyst and the resulting compound optionally
a) wenn Q" =NR (R Φ H) bedeutet, mit einem reaktionsfähigen Monodeiivat Z-(C,-C4-Alkyl) eines entsprechenden Alkans (Z = Abgangsgruppe) quaterniert odera) when Q "= NR (R Φ H), quaternized with a reactive Monodeiivat Z- (C, -C 4 alkyl) of a corresponding alkane (Z = leaving group) or
b) wenn Q" =NH bedeutet, mit einem endständig disubstituierten Alkan Z-(C4-C6-Alkylen)-Z ohne Zwischenisolierung quaterniert.b) when Q "= NH, quaternized with a terminally disubstituted alkane Z- (C 4 -C 6 -alkylene) -Z without intermediate isolation.
Die Umesterung wird in der Wärme in einem organischen Lösungsmittel, z. B. Toluol, Xylol, Heptan, oder in der Schmelze durchgeführt, wobei starke Basen wie Natriummethylat, Natriumethylat, Natriumhydrid, metallisches Natrium, als Katalysator dienen. Zur Entfernung des freigesetzten niederen Alkohols aus dem Gleichgewicht wird verminderter Druck angewendet, ggf. der Alkohol azeotrop abdestilliert. Die Umesterung erfolgt bei Temperaturen, die im allgemeinen 950C nicht überschreiten. Häufig verläuft die Umesterung in der Schmelze günstiger.The transesterification is carried out in the heat in an organic solvent, for. As toluene, xylene, heptane, or carried out in the melt, with strong bases such as sodium, sodium, sodium hydride, metallic sodium, serve as a catalyst. To remove the liberated lower alcohol from the equilibrium, reduced pressure is used, if necessary distilling off the alcohol azeotropically. The transesterification takes place at temperatures which generally do not exceed 95 ° C. Often the transesterification in the melt proceeds more favorably.
Aus Säureadditionssaizen der tertiären Amine kann man gewünschtenfalls mit geeigneten basischen Verbindungen in an sich bekannter Weise die freien Basen erhalten. Die Quaternierung wird in geeigneten Lösungsmitteln, etwa Acetonitril oder Acetonitril/Methylenchlorid vorzugsweise bei Raumtemperatur durchgeführt; dabei wird als Quaternierungsreagenz bevorzugt ein entsprechendes Alkylhalogenia, z. B. Alkylbromid, verwendet. Umesterungsprodukte mit Q' in der Bedeutung NH dienen als Ausgangsstoffe für diejenigen Verbindungen, in denen R und R' gemeinsam eine C4-Ce-Alkylengruppe darstellen. Die Überführung in die tertiäre und dann quatäre Verbindung erfolgt dann mit Hilfe geeigneter 1,4-, 1,5- bzw. 1,6-Dihalogenalkane ohne ZwischenisolierungFrom acid addition salts of the tertiary amines, if desired, the free bases can be obtained in a manner known per se with suitable basic compounds. The quaternization is carried out in suitable solvents, such as acetonitrile or acetonitrile / methylene chloride, preferably at room temperature; In this case, as a quaternizing preferably a corresponding Alkylhalogenia, z. As alkyl bromide used. Transesterification with Q 'in the meaning NH serve as starting materials for those compounds in which R and R' together represent a C4-C e alkylene group. The conversion into the tertiary and then quaternary compound is then carried out with the aid of suitable 1,4-, 1,5- or 1,6-dihaloalkanes without intermediate isolation
Die Ausgangsstoffe können-soweit sie nicht schon beschrieben wurden-analog zu bekannten Verbindungen erhalten werden. The starting materials can-as they have not already been described-are obtained analogously to known compounds.
Di-(2-thienyl)glykolsäuremethylesto aus Oxalsäuredirnethylester und 2-Thienylmagnesiumbromid; Di-(2-thienyDglykolsäureethylester aus (2-Thienyl)glyoxylsäure und 2-Thienyllithium; Hydroxy-phenyl-(2-th!enyl)essigsäureethylester aus Phenylglyoxylsäuremethylester und 2-Thienylmagnesiumbromid oder aus (2-ThienyDglyoxylsäuremethylester und Phenylmagnesiumbromid.Di (2-thienyl) glycolic acid methyl ester of oxalic acid dimethyl ester and 2-thienylmagnesium bromide; Di- (2-thienylglycolic acid ethyl ester of (2-thienyl) glyoxylic acid and 2-thienyllithium; hydroxy-phenyl- (2-thienyl) -acetic acid ethyl ester of methyl phenylglyoxylate and 2-thienylmagnesium bromide or of methyl (2-thienylglyoxylate and phenylmagnesium bromide.
Ähnlich können 2-Thienylglyoxylsäuremethylester und Cyclohexyl- bzw. Cylopentylmagnesiumbromid umgesetzt werden.Similarly, methyl 2-thienylglyoxylate and cyclohexyl or cyclopentylmagnesium bromide can be reacted.
Auch für die Herstellung der Aminoalkohole stehen mehrere Verfahren zur Verfügung.Several processes are also available for the preparation of the amino alcohols.
Pseudoscopin kann nach M. Polonovski et al., Bull. soc. chim. 43,79 (1928) erhalten werden.Pseudoscopin may be described by M. Polonovski et al., Bull. Soc. chim. 43.79 (1928).
Pseudotropenol kann aus dem Gemisch isoliert werden (fraktionierte Kristallisation bzw. Destillation), das z. B. nach V. Hayakawa et al., J. Amer. Chem. Soc. 1978,100(6), 1786 bzw. R. Noyori et al., J. Amer. Chem. Soc. 1974,96(10), 3336 erhalten wird.Pseudotropenol can be isolated from the mixture (fractional crystallization or distillation), the z. By V. Hayakawa et al., J. Amer. Chem. Soc. 1978, 100 (6), 1786 and R. Noyori et al., J. Amer. Chem. Soc. 1974, 96 (10), 3336.
Ausgehend von 2- bzw. 3-Furylglyoxylnitril können über die daraus erhältliche 2- bzw. 3-Furylglyoxylsäure die entsprechenden Methylester auf übliche Weise hergestellt werden. Aus diesen werden wie beschrieben mit den metallorganischen Derivaten von 2- bzw. 3-Bromthiophen die entsprechenden Glykolsäureester erhalten. Die aus 2-, 3- oder 4-Halogenpyridin erhältlichen metallorganischen Verbindungen lassen sich mit 2- bzw. 3-Thienylglyoxylsäuremethyloster zu den entsprechenden Glykolsäureestern umsetzen.Starting from 2- or 3-Furylglyoxylnitril the corresponding methyl esters can be prepared in a conventional manner on the available 2- or 3-Furylglyoxylsäure. From these, as described with the organometallic derivatives of 2- or 3-bromothiophene, the corresponding glycolic acid esters are obtained. The organometallic compounds obtainable from 2-, 3- or 4-halopyridine can be reacted with 2- or 3-thienylglyoxylic acid methyl esters to give the corresponding glycolic acid esters.
Thienylglykolsäureester, in denen der Thiophenring in 2- bzw. 3-Stellung Fluor enthält, werden z. B. ausgehend von 2-Fluor- bzw.Thienylglykolsäureester in which the thiophene ring in the 2- or 3-position fluorine, z. B. starting from 2-fluoro or
3-Fluorthiophen hergestellt (Bromieren zu 2-Brom-3-fluor- oder 2-Brom-5-fluorthiophen und, nach Überführung in entsprechende metallorganische Verbindungen, Umsetzung mit geeigneten Glyoxylsäureestern zu den Glykolsäureestern.3-fluorothiophene prepared (bromination to 2-bromo-3-fluoro or 2-bromo-5-fluorothiophene and, after conversion into corresponding organometallic compounds, reaction with suitable Glyoxylsäureestern to the glycolic acid esters.
2-Fluorthiophen und 3-Fluorthiophen lassen sich analog Unterhalt, Arch. Pharm. 322, 839 (1989) zu den entsprechenden Glyoxylsäureestern umsetzen, die ihrerseits, wie schon beschrieben, mit z.B. 2- oder 3-Thienylderivaten, zu Glykolsäureestern umgesetzt werden können. Durch geeignete Auswahl der Komponenten lassen sich analog symmetrisch substituierte Dithienylglykolsäureester herstellen.2-Fluoro-thiophene and 3-fluorothiophene can be analogously maintained, Arch. Pharm. 322, 839 (1989) to the corresponding glyoxylic acid esters, which in turn, as already described, with e.g. 2- or 3-thienyl derivatives, can be converted to glycolic acid esters. By suitable selection of the components can be prepared analogously symmetrically substituted Dithienylglykolsäureester.
Ein weiterer Weg bietet sich an analog zur Benzoinkondensation und Benzilsäureumlagerung.Another way is analogous to Benzoinkondensation and Benzilsäureumlagerung.
Die folgenden Beispiele erläutern die Erfindung, ohne sie zu beschränken.The following examples illustrate the invention without limiting it.
Di-(2-thlenyl)glykols§urescopinesterDi- (2-thlenyl) glykols§urescopinester
50,87g (0,2 mol) Di-(2-thienyl)glykolsäuremethylester und 31,04g (0,2 mol) Scopin werden in 100 ml abs. Toluol gelöst und unter Zugabe von 1,65g (0,071 Grammatome) Natrium in mehreren Anteilen bei einer Badtemperatur von 90°C umgesetzt. Bei einer Temperatur von 78-90°C des Reaktionsgemisches wird unter einem Druck von 500 mbar das entstehende Methanol abdestilliert. Nach einer Reaktionszeit von ca. 5 Stunden wird das Reaktionsgemisch in eine Mischung aus Eis und Salzsäure gerührt. Die saure Phase wird abgetrennt, mit Natriumcarbonat alkalisch gemacht und die freie Base mit Methylenchlorid extrahiert. Nach dem Trocknen über Natriumsulfat wird das Methylenchlorid unter vermindertem Druck abdestilliert und der Rückstand aus Acetonitril umkristallisiert; beigefarbene Kristalle (aus Acetonitril), Fp. 149-15O0C, Ausbeute: 33,79g (44,7% d. Th.).50.87 g (0.2 mol) of di- (2-thienyl) glycolic acid methyl ester and 31.04 g (0.2 mol) of scopine are dissolved in 100 ml of abs. Toluene dissolved and reacted with the addition of 1.65 g (0.071 gram atoms) of sodium in several portions at a bath temperature of 90 ° C. At a temperature of 78-90 ° C of the reaction mixture, the resulting methanol is distilled off under a pressure of 500 mbar. After a reaction time of about 5 hours, the reaction mixture is stirred in a mixture of ice and hydrochloric acid. The acid phase is separated, made alkaline with sodium carbonate and the free base extracted with methylene chloride. After drying over sodium sulfate, the methylene chloride is distilled off under reduced pressure and the residue is recrystallized from acetonitrile; beige crystals (from acetonitrile), mp 149-15O 0 C, yield: 33.79 g (44.7% of theory).
DI-(2-thlenyl)glykolsäurescopinesterDi- (2-thlenyl) glycolate
12,72g (0,05mol) Di-(2-thienyl)glykolsäuremethylester und 7,76g (0,05mol) Scopin werden in einem Heizbad von 7O0C unter Wasserstrahlvakuum geschmolzen. In diese Schmelze werden 2,70g (0,05mol) Natriummethylat eingetragen und unter Wasserstrahlvakuum 1 Stunde in einem Heizbad von 7O0C und zur Nachreaktion eine weitere Stunde in einem Heizbad von 900C erhitzt. Die erstarrte Schmelze wird in einem Gemisch von 100 ml Wasser und 100 ml Methylenchlorid unter Temperaturkontrolle aufgenommen und die Methylenchloridphase mehrmals mit Wasser extrahiert. Die Methylenchloridphase wird mit der entsprechenden Menge verdünnter Salzsäure extrahiert. Aus den gesammelten Wasserphasen wird nach Zugabe der entsprechenden Menge Natriumcarbonat der Di-(2-thienyl)glykolsäurescopinester mit Methylenchlorid extrahiert und über Natriumsulfat getrocknet. Aus der getrockneten Methylenchloridlösung wird auf übliche Art und Weise das Hydrochlorid hergestellt. Die Kristalle werden abgesaugt, mit Aceton gewaschen und bei 35°C unter vermindertem Druck getrocknet. Leicht gelbe Kristalle (aus Methanol), Fp. 238-2410C (Zers.); Ausbeute: 10,99g (53,1 % d.Th.). Das Hydrochlorid kann auf übliche Art und Weise in die Base überführt werden.12.72 g (0.05 mol) of di (2-thienyl) glycolic acid methyl ester and 7.76 g (0.05 mol) of scopin are melted in a heating bath of 7O 0 C under water jet vacuum. In this melt 2.70 g (0.05 mol) of sodium methylate are added and heated under aspirator vacuum for 1 hour in a heating bath at 7O 0 C and an additional hour for secondary reaction in a heating bath at 90 0 C. The solidified melt is taken up in a mixture of 100 ml of water and 100 ml of methylene chloride under temperature control and extracted the methylene chloride phase several times with water. The methylene chloride phase is extracted with the appropriate amount of dilute hydrochloric acid. From the collected water phases, after addition of the appropriate amount of sodium carbonate, the di (2-thienyl) glycolic acid copoester is extracted with methylene chloride and dried over sodium sulfate. From the dried methylene chloride solution, the hydrochloride is prepared in the usual manner. The crystals are filtered off, washed with acetone and dried at 35 ° C under reduced pressure. Light yellow crystals (from methanol), m.p. 238-241 0 C (dec.). Yield: 10.99 g (53.1% of theory). The hydrochloride can be converted to the base in the usual way.
Di-(2-thienyl)glykolsSurescopinestnrDi- (2-thienyl) glykolsSurescopinestnr
38,15g (0,15mol)Di-(2-thienyl)glykolsäuremethylester und 23,28g (0,15mol) Scopin werden vermischt, 0,34g (0,015 Grammatome) Natrium zugegeben und unter Wasserstrahlvakuum in einem Heizbad von 90"C geschmolzen. Die Umsetzungsdauer beträgt 2,5 Stunden. Danach werden 100 ml abs. Toluol zugegeben und solange bei einer Heizbadtemperatur von 9O0C gerührt, bis eine Lösung entsteht. Die Reaktionslösung wird auf Raumtemperatur abgekühlt und in eine mit Eis gekühlte Mischung aus Eis und Salzsäure gerührt. Das auskristallisierende Hydrochlorid des basischen Esters wird abgesaugt, mit wenig Wasser und ausgiebig mit Diethylether gewaschen. Die Phasen des Filtrats werden abgetrennt und die wäßrige Phase mit Diethylether extrahiert. Das abgesaugte Hydrochlorid wird in der (sauren) Wasserphase suspendiert und unter Temperaturkontrolle und unter Zugabe der entsprechenden Menge Natriumcarbonat in die Base überführt, die mit Methylenchlorid extrahiert wird. Die gesammelten Methylenchloridphasen werden über Natriumsulfat getrocknet. Nach dem Abdestillieren des Methylenchlorids hinterbleibt ein Kristallisat, das über Aktivkohle gereinigt aus Acetonitril umkristallisiert wird. Leicht gelbe Kristalle (aus Acetonitril), Fp. 148-1490C; Ausbeute: 39,71 g (70,1 % d.Th.).38.15g (0.15mol) of di- (2-thienyl) glycolic acid methyl ester and 23.28g (0.15mol) of scopine are mixed, 0.34g (0.015 gram) of sodium added and melted under aspirator vacuum in a 90 ° C heating bath. the reaction time is 2.5 hours. Then, 100 ml of abs. toluene are added and stirred at a heating bath temperature of 9O 0 C until a solution forms. the reaction solution is cooled to room temperature and stirred in an ice-cooled mixture of ice and hydrochloric acid The crystallizing hydrochloride of the basic ester is filtered off with suction, washed with a little water and extensively with diethyl ether, the phases of the filtrate are separated off and the aqueous phase is extracted with diethyl ether The aspirated hydrochloride is suspended in the (acidic) water phase under temperature control and with addition the corresponding amount of sodium carbonate is converted into the base, which is extracted with methylene chloride The collected Methylenchloridp bunches are dried over sodium sulphate. After distilling off the methylene chloride remains behind a crystallizate, which is purified over charcoal and recrystallized from acetonitrile. Slightly yellow crystals (from acetonitrile), mp 148-149 0 C; Yield: 39.71 g (70.1% of theory).
Verbindungen der FormelCompounds of the formula
HO-C-CO-OAHO-C-CO-OA
Anmerkung: Alle Hydrochloride schmelzen unter Zersetzung.Note: All hydrochlorides melt with decomposition.
Di-(2-thienyl)glykolsäurescopinester-methobrom!d 10,0g (0,0265mol) Di-(2-thienyl)glykolsäurescopinesler werden in einem Gemisch, bestehend aus 20ml wasserfreiem Methylenchlorid und 30ml wasserfreiem Acetonitril gelöst und mit 12,8g (0,1325mol) Methylbromid (als 50%ige Lösung in wasserfreiem Acetonitril) versetzt und das Reaktionsgemisch in einem Reaktionsgefäß dicht verschlossen bei Raumtemperatur 24 Stunden stehen gelassen. Während dieser Zeit fallen Kristalle aus. Diese werden abgesaugt, mit Methylenchlorid gewaschen und bei 35°C unter vermindertem Druck getrocknet.Di (2-thienyl) glycolic acid copoester methobromo d 10.0g (0.0265mol) of di- (2-thienyl) glycolic acid copo pter are dissolved in a mixture consisting of 20ml of anhydrous methylene chloride and 30ml of anhydrous acetonitrile and charged with 12.8g (0 , 1325 mol) of methyl bromide (as a 50% solution in anhydrous acetonitrile) and the reaction mixture was allowed to stand in a reaction vessel tightly closed at room temperature for 24 hours. During this time crystals fall out. These are filtered off, washed with methylene chloride and dried at 35 ° C under reduced pressure.
Weiße Kristalle (aus Methanol/Aceton), Fp. 217-2180C (Zers.) nach dem Trocknen bei 1110C unter vermindertem Druck.White crystals (from methanol / acetone), mp 217-218 0 C (dec.) After drying at 111 0 C under reduced pressure.
Tabellen Quartärverbindungen der FormelTables Quaternary compounds of the formula
HO-C-CO-OAHO-C-CO-OA
JLJL
Fp. I0C]Mp I 0 C]
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 521 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
3a-(6ß,7ß-Epoxy)-tropanyl-methobromid 3a-Tropanyl-methobromid 3a-(6,7-Dehydro)-tropanyl-methobromid 3a-(N-ß-Fluorethyl)-nortropanyl-methobromid 3a-Tropanyl-ß-fluorcthobromid 3a-(N IsopropyD-granatanyl-methobromid 3a-(N-lsopropyl)-nortropanyl-methobromid 3a-(6ß,7ß-Epoxy)-N-isopropyl-nortropanyl-methobromid 3a-(6ß,7ß-Epoxy)-N-ethylnortropanyl-methobromid 3a-(N-Ethyl)-nortropanyl-methobromid 3a-(N-Methyl)-granatanyl-methobromid 3a-(6ß,7ß-Epoxy)-N-ß-fluor-ethyl-nortropanyl-methobromid 3a-(6ß,7ß-Epoxy)-N-n-propylnortropanyl-methobromid 3a-Tropanyl-ß-hydroxyethobromid 3a-(6ß,7ß-Epoxy)-tropanyl-methobromid 3 a-Tropanyl-methobromid 3a-(N-ß-Fluorethyl)-nortropanyl-methobromid 3a-(6,7-Dehydro)-tropanyl-methobromid 3a-(N-Ethyl)-nortropanyl-methobromid 3a-(N-lsopropyl)-nortropanyl-methobromid 3ß-Tropanyl-ethobromid 3a-(N-Ethyl)-nortropanyl-ethobromid 3a-(6ß,7ß-Epoxy)-tropanyl-ethobromid 3a-Tropanyl-ß-fluorethobromid 3 a-Tropanyl-methobromid 3a-(N-p-Fluorethyl)-nortropanyl-methobromid 3a-Tropanyl-ß-fluorethobromid 3 a-Tropanyl-methobromid 3 a-Tropanyl-ethobromid 3a-(N-Ethyl)-nortropanyl-methobromid 3a-(N-lsopropyl)-nortropanyl-methobromid 3 a-Tropanyl-ß-fluorethobromid 3a-(N-ß-Fluorethyl)-nortropanyl-methobromid 3a-(6,7-Dehydro)-tropanyl-metho-methansulfonat 3 ß-(6ß,7 ß-Epoxy)-tropanyl-methobromid 3ß-Tropanyl-methobromid 3ß-(6,7-Dehydro)-tropanyl-methobromid 3a-(6,7-Dehydro)-tropanyl-methobromid 3a-(6ß,7ß-Epoxy)-tropanyl-methobromid (+)-Enantiomeresvon Nr.3a- (6β, 7β-epoxy) -tropanyl-methobromide 3a-tropanyl-methobromide 3α- (6,7-dehydro) -tropanyl-methobromide 3α- (N-β-fluoroethyl) -nortropanyl-methobromide 3a-tropanyl-β- fluorocthobromide 3a (N isopropyld-garnetanylmethobromide 3a (N-isopropyl) -nortropanylmethobromide 3a (6β, 7β-epoxy) -N-isopropylnortropanylmethobromide 3a (6β, 7β-epoxy) -N- ethylnortropanyl-methobromide 3α- (N-ethyl) -nortropanyl-methobromide 3α- (N-methyl) -granatanyl-methobromide 3α- (6β, 7β-epoxy) -N-β-fluoro-ethyl-nortropanyl-methobromide 3a (6β , 7β-epoxy) -n-propylnortropanyl-methobromide 3a-tropanyl-β-hydroxyethobromide 3α- (6β, 7β-epoxy) -tropanyl-methobromide 3α-tropanyl-methobromide 3α- (N-β-fluoroethyl) -nortropanyl-methobromide 3a- (6,7-dehydro) -tropanyl-methobromide 3α- (N-ethyl) -nortropanyl-methobromide 3α- (N-isopropyl) -nortropanyl-methobromide 3β-tropanyl-ethobromide 3α- (N-ethyl) -nortropanyl- ethobromide 3a (6β, 7β-epoxy) -tropanyl-ethobromide 3a-tropanyl-β-fluoroethobromide 3α-tropanyl-methobromide 3a (Np-fluoroethyl) -nortropanyl-meth obromide 3a-tropanyl-beta-fluoroethobromide 3 a-tropanyl-methobromide 3 a-tropanyl-ethobromide 3a (N-ethyl) -nortropanyl-methobromide 3a (N-isopropyl) -nortropanyl-methobromide 3 a-tropanyl-beta-fluoroethobromide 3α- (N-β-fluoroethyl) -nortropanyl-methobromide 3α- (6,7-dehydro) -tropanyl-meth-methanesulfonate 3β- (6β, 7β-epoxy) -tropanyl-methobromide 3β-tropanyl-methobromide 3β- (6,7-dehydro) -tropanyl-methobromide 3α- (6,7-dehydro) -tropanyl-methobromide 3a (6β, 7β-epoxy) -tropanyl-methobromide (+) - enantiomer of No.
(-)-Enantiomeresvon Nr.(-) - Enantiomer of No.
3a-(6ß,7ß-Epoxy)-tropanyl-methobromid 3a-{6,7-Dehydro)-tropanyl-methobromid 3 a-Tropanyl-methobromid 3 a-(6 ß,7 ß-Epoxy)-tropanyl-methobromid 3a-(6,7-Dehydro)-tropanyl-methobromid 3a-Tropanyl-methobromid 3a-Tropanyl-methobromid 3a-{6,7-Dehydro)-tropanyl-methobromid 3a-(6ß,7ß-Epoxy)-tropanyl-methobromid 3a-(6,7-Dehydro)-tropanyl-methobromid 3a-!6ß,7ß-Epoxy)-tropanyl-methobromid3a- (6β, 7β-epoxy) -tropanyl-methobromide 3α- (6,7-dehydro) -tropanyl-methobromide 3α-tropanyl-methobromide 3α- (6β, 7β-epoxy) -tropanyl-methobromide 3a (6,7-Dehydro) -tropanyl-methobromide 3a-tropanyl-methobromide 3a-tropanyl-methobromide 3a - (6,7-dehydro) -tropanyl-methobromide 3a (6β, 7β-epoxy) -tropanyl-methobromide 3a ( 6,7-dehydro) -tropanyl-methobromide 3α-! 6β, 7β-epoxy) -tropanyl-methobromide
> enthält Kristallmethanol> contains crystal methanol
Tabelle III Verbindungen der FormelTable III Compounds of the formula
Fp-IX] (Hydrochloric))Fp-IX] (Hydrochloric))
3α-(6 ß,7 ß-Epoxy)-tropanyl3α- (6β, 7β-epoxy) -tropanyl
3a-(6,7-Dehydro)-tropanyl3a- (6,7-dehydro) tropanyl
3a-(6ß,7ß-Epoxy)-tropanyl3a- (6ss, 7.beta.-Epoxy) tropanyl
3a-(8,7-Dehydro)-tropanyl3a- (8,7-dehydro) tropanyl
3a-Tropanyl3a-tropanyl
3a-(N-Methyl)-granatanyl3a- (N-methyl) -granatanyl
Phenylphenyl
Phenylphenyl
3-Thienyl3-thienyl
3-Thienyl3-thienyl
3-Thienyl3-thienyl
3-Thienyl3-thienyl
246-247 261-262246-247 261-262
Tabelle IV Verbindungen der FormelTable IV Compounds of the formula
R2-C-CO-O-AR 2 -C-CO-OA
Fp. [0Cl (Hydrochlorid)Mp [ 0 Cl (hydrochloride)
3a-(6ß,7ß-Epoxy)-tropanyl 3a-{6,7-Dehydro)-tropanyl 3a-(6ß,7ß-Epoxy)-tropanyl 3a-(6,7-Dehydro)-tropanyl 3a-(6 ß,7 ß-Epoxy)- tropanyl 3 a-(6,7-Dehydro)-tropanyl3α- (6β, 7β-epoxy) -tropanyl 3a - (6,7-dehydro) -tropanyl 3a (6β, 7β-epoxy) -tropanyl 3a (6,7-dehydro) -tropanyl 3a (6β, 7β-epoxy) - tropanyl 3α- (6,7-dehydro) -tropanyl
Methylmethyl
Methylmethyl
Methoxymethoxy
Methoxymethoxy
210-212,5210 to 212.5
Tabelle V Verbindungen der FormelTable V Compounds of the formula
Tabelle VI Quartärverbindungen der FormelTable VI Quaternary compounds of the formula
HO-C-CO-OA R,HO-C-CO-OA R,
R. Fp. [0C]R. Fp. [ 0 C]
3a-(6ß,7ß-Epoxy)-tropanyl-methobromid3a-(6,7-Dehydro)-tropanyl-methobromid3 a-Tropanyl-methobromid3a-(6ß,7ß-Epoxy)-tropanyl-methobromid3a-(6,7-Dehydro)-tropanyl-methobromid3a-Tropanyl-methobromid3a-(6ß,7ß-Epoxy)-tropanyl-methobromid3a-(6,7-Dehydro)-tropanyl-methobromid3a-Tropanyl-methobromid3a-(6ß,7ß-Epoxy)-tropanyl-methobromid3a-(6,7-Dehydro;-tropanyl-methobromid3 a-Tropanyl-methobromid2-Thienyl3α- (6β, 7β-Epoxy) -tropanyl-methobromide 3a (6,7-dehydro) -tropanyl-methobromide 3α-tropanyl-methobromide 3a (6β, 7β-epoxy) -tropanyl-methobromide 3a (6,7-dehydro) tropanyl-methobromid3a-tropanyl-methobromid3a- (6ss, 7.beta.-epoxy) tropanyl-methobromid3a- (6,7-dehydro) tropanyl-methobromid3a-tropanyl-methobromid3a- (6ss, 7.beta.-epoxy) tropanyl-methobromid3a- ( 6,7-dehydro; -tropanyl-methobromide 3 a-tropanyl-methobromide-2-thienyl
2-Thienyl2-thienyl
2-Thienyl2-thienyl
2-(5-Methyl)-thienyl2- (5-methyl) thienyl
2-(5-Methyl)-thienyl2- (5-methyl) thienyl
2-(5-Methyl)-thienyl2- (5-methyl) thienyl
2-Thienyl2-thienyl
2-Thienyl2-thienyl
2-Thienyl2-thienyl
2-(5-Fluor)-thienyl2- (5-fluoro) thienyl
2-(5-Fluor)-thienyl2- (5-fluoro) thienyl
2-(5-Fluor)-thienyl2- (5-fluoro) thienyl
5-Methyl5-Methyl
5-Methyl5-Methyl
5-Methyl5-Methyl
5-Methyl5-Methyl
5-Methyl5-Methyl
5-Methyl5-Methyl
5-Fliior5-Fliior
5-Fluor5-fluoro
5-Fluor5-fluoro
5-Fluor5-fluoro
5-Fluor5-fluoro
5-Fluor5-fluoro
Tabelle VII Verbindungen der FormelTable VII Compounds of the formula
HO-C-CO-OAHO-C-CO-OA
Fp.CClFp.CCl
3 a-(6 ß,7 ß-Epoxy)-tropanyl-methobromid3a-(6,7-Dehydro)-tropanyl-methobromid3 α·{6 ß,7 ß-Epoxy)-tropanyl-methobromid3a-(6,7-Dehydro)-tropanyl-methobromid3a-Tropanyl-methobromid3a-(N-Methyl)-granatanyl-methobromid3 a- (6β, 7β-epoxy) -tropanyl-methobromide 3a (6,7-dehydro) -tropanyl-methobromide 3α · {6β, 7β-epoxy) -tropanyl-methobromido-3a (6,7-dehydro ) tropanyl-methobromid3a-tropanyl-methobromid3a- (N-methyl) -granatanyl methobromide
mit Kristallmethanolwith crystal methanol
Tabelle VIII Quartärverbindungon der FormelTable VIII Quaternary compound of the formula
R2-C-CO-OAR 2 -C-CO-OA
Fp. [0ClMp [ 0 Cl
3 a-(6 ß,7 ß-Epoxy)-tropanyl-methobromid H3 a- (6β, 7β-epoxy) -tropanylmethobromide H
3a-(6,7-Dehydro)-tropanyl-methobromid H3α- (6,7-dehydro) -tropanyl-methobromide H
3a-(6ß,7ß-Epoxy)-tropanyl-molhobromid Methyl3a- (6β, 7β-epoxy) -tropanyl-molo-bromide methyl
3 a-(6,7-Dehydro)-tropanyl-methobromid Methyl3 a- (6,7-dehydro) -tropanyl-methobromide methyl
3 a-Tropanyl-methobromid Methoxy3 a-tropanyl-methobromide methoxy
3a-(N-Methyl)-tropanyl-methobromid Methoxy3α- (N-methyl) -tropanylmethobromide methoxy
206-208206-208
Claims (11)
1. Verbindungen der Formelclaims:
1. Compounds of the formula
R1 für einen Thienyl-, Phenyl-, Furyl-, Cyclopentyl- oder Cyclohexylrest, wobei diese Reste auchQ 'is the group = NR or the group = NRR', where R is H or an optionally halogen- or hydroxy-substituted C 1 -C 4 -alkyl radical, R 'is a C 4 -C 6 -alkylene radical and R and R' together can also form a C 4 -C 6 -alkylene radical, and wherein in the case of the quaternary compounds the positive charge of the N atom is opposed to one equivalent of an anion (Χ θ ),
R 1 is a thienyl, phenyl, furyl, cyclopentyl or cyclohexyl radical, these radicals also
5. Verbindungen nach Anspruch 1 bis 4, in denen R1 2-Thienyl bedeutet und A für den Restwherein R and Χ θ and have the above meaning and R 'has the above meaning except hydrogen.
5. Compounds according to claim 1 to 4, in which R 1 is 2-thienyl and A is the radical
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- 1992-03-13 NO NO921002A patent/NO301478B1/en not_active IP Right Cessation
- 1992-03-13 IE IE334290A patent/IE65528B1/en active Protection Beyond IP Right Term
- 1992-03-13 FI FI921087A patent/FI114395B/en active Protection Beyond IP Right Term
- 1992-03-13 PL PL90286900A patent/PL168468B1/en active Protection Beyond IP Right Term
- 1992-06-23 MX MX9203150A patent/MX9203150A/en unknown
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1994
- 1994-02-23 BG BG98532A patent/BG61295B2/en unknown
- 1994-10-21 HR HRP-1744/90A patent/HRP940723B1/en not_active IP Right Cessation
- 1994-12-15 HU HU94P/P00055P patent/HU210612A9/en unknown
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2002
- 2002-02-14 NL NL300084C patent/NL300084I2/en unknown
- 2002-08-30 LU LU90949C patent/LU90949I2/en unknown
- 2002-09-17 NO NO2002009C patent/NO2002009I2/en unknown
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2005
- 2005-10-18 US US11/254,213 patent/USRE39820E1/en not_active Expired - Lifetime
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