Arformoterol tartrate
Bezeichnung:Arformoterol tartrate
CAS-Nr200815-49-2
Englisch Name:Arformoterol tartrate
CBNumberCB91459486
SummenformelC19H24N2O4.C4H6O6
Molgewicht494.494
MOL-Datei200815-49-2.mol
Arformoterol tartrate physikalisch-chemischer Eigenschaften
Schmelzpunkt | 184° |
storage temp. | Refrigerator, Under Inert Atmosphere |
Löslichkeit | DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated) |
Aggregatzustand | Solid |
Farbe | White to Pale Brown |
Gefahreninformationscode (GHS)
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Bildanzeige (GHS)
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Alarmwort
Achtung
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Gefahrenhinweise
H302:Gesundheitsschädlich bei Verschlucken.
H331:Giftig bei Einatmen.
H334:Kann bei Einatmen Allergie, asthmaartige Symptome oder Atembeschwerden verursachen.
H351:Kann vermutlich Krebs verursachen.
H361:Kann vermutlich die Fruchtbarkeit beeinträchtigen oder das Kind im Mutterleib schädigen.
H372:Schädigt bei Hautkontakt und Verschlucken die Organe bei längerer oder wiederholter Exposition.
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Sicherheit
P201:Vor Gebrauch besondere Anweisungen einholen.
P202:Vor Gebrauch alle Sicherheitshinweise lesen und verstehen.
P260:Dampf/Aerosol/Nebel nicht einatmen.
P261:Einatmen von Staub vermeiden.
P264:Nach Gebrauch gründlich waschen.
P264:Nach Gebrauch gründlich waschen.
P270:Bei Gebrauch nicht essen, trinken oder rauchen.
P271:Nur im Freien oder in gut belüfteten Räumen verwenden.
P281:Vorgeschriebene persönliche Schutzausrüstung verwenden.
P285:Bei unzureichender Belüftung Atemschutz tragen.
P301+P312:BEI VERSCHLUCKEN: Bei Unwohlsein GIFTINFORMATIONSZENTRUM/Arzt/... (geeignete Stelle für medizinische Notfallversorgung vom Hersteller/Lieferanten anzugeben) anrufen.
P304+P340:BEI EINATMEN: Die Person an die frische Luft bringen und für ungehinderte Atmung sorgen.
P304+P341:BEI EINATMEN: Bei Atembeschwerden an die frische Luft bringen und in einer Position ruhigstellen, die das Atmen erleichtert
P308+P313:BEI Exposition oder falls betroffen: Ärztlichen Rat einholen/ärztliche Hilfe hinzuziehen.
P311:GIFTINFORMATIONSZENTRUM/Arzt anrufen.
P314:Bei Unwohlsein ärztlichen Rat einholen / ärztliche Hilfe hinzuziehen.
P321:Besondere Behandlung
P330:Mund ausspülen.
P342+P311:Bei Symptomen der Atemwege: GIFTINFORMATIONSZENTRUM/Arzt/... (geeignete Stelle für medizinische Notfallversorgung vom Hersteller/Lieferanten anzugeben) anrufen.
P403+P233:An einem gut belüfteten Ort aufbewahren. Behälter dicht verschlossen halten.
P405:Unter Verschluss aufbewahren.
P501:Inhalt/Behälter ... (Entsorgungsvorschriften vom Hersteller anzugeben) zuführen.
Arformoterol tartrate Chemische Eigenschaften,Einsatz,Produktion Methoden
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Beschreibung
Sepracor’s Brovana®, a nebulized long acting bronchodilator, was launched in the U.S. in April 2007. The β2- adrenoceptor agonist is indicated for the twice-daily, longtermmaintenance treatment of bronchoconstriction in patients with chronic obstructive pulmonary disease (COPD), which includes chronic bronchitis and emphysema. It is the first long-acting nebulized bronchodilator approved by the FDA for this indication. -
Beschreibung
Aformoterol is the (R,R)-enantiomer of the β2-adrenergic receptor (β2-AR) agonist formoterol . It selectively binds to β1- over β2-ARs (Kds = 2.9 and 113 nM, respectively) as well as β3-adrenergic, B2 bradykinin, neurokinin 1 (NK1) and NK2 receptors when used at concentrations up to 3 μM. Aformoterol induces cAMP accumulation in cultured human bronchial epithelial cells. Ex vivo, aformoterol (0.01-1,000 nM) induces dose-dependent relaxation of guinea pig tracheal strips precontracted with carbamoylcholine , ovalbumin, or histamine (pD2s = 8.4, 9.5, and 9.5, respectively). In vivo, aformoterol reverses histamine- and ovalbumin-induced bronchoconstriction in guinea pigs (ED50s = 1 and 40 nmol/kg, respectively). Formulations containing aformoterol have been used in the treatment of chronic obstructive pulmonary disease (COPD). -
Verwenden
Anti-asthmatic and bronchodilator. -
Verwenden
Arformoterol Tartrate, can be used in the synthesis of Omeprazole (O635000), which is a proton pump inhibitor, that inhibits gasteric secretion, also used in the treatment of dyspepsia, peptic ulcer disease, etc. It is also the impurity of Esomeprazole Magnesium (E668300), which is the S-form of Omeprazole, and is a gastric proton-pump inhibitor. Also, It can be used for the preparation of olodaterol, a novel inhaled β2-adrenoceptor agonist with a 24h bronchodilatory efficacy. -
Synthese
There are several reports on the synthesis of arformoterol. A large-scale synthesis of enantio/diastereomerically pure (R,R)-formoterol is cited here. Bromoalcohol 22 was synthesized in 84% yield with 94% e.e. through the catalytic enantioselective reduction of bromo ketone 21. The nitro functional group in 22 was reduced in quantitative yield by hydrogena-tion in the presence of Adams catalyst and the resulting aniline was isolated by filtration of the catalyst and removal of the solvent. In order to avoid auto-oxidation, the aniline was treated with a mixture of formic acid and acetic anhydride immediately after the removal of the platinum catalyst. Upon concentrating the reaction mixture, bromohydrin 23 crystallized and could be isolated in 75% yield with 98.6% e.e. It was further enriched to >99.5% e.e. by a single re-crystallization from ethylacetate. Next, a mixture of bromohydrin 23 and amine salt (R)-26-(S)-mandelic acid was treated with K2CO3 resulting in generation of the corresponding epoxide of 23 and liberation of the free base of (R)-26. After an aqueous work up to remove salts and mandelic acid, the reaction mixture was heated to 120??C to affect epoxide opening with the amine of 26. Removal of the benzyl protecting groups of the resulting crude product via catalytic hydrogenation followed by salt formation with tartaric acid afforded arformoterol tartrate (III) in 70% yield upon crystallization. -
Lager
Store at +4°C
Arformoterol tartrate Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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