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[[File:Coumarin acsv.svg|thumb|right|250px|Η χημική δομή της κουμαρίνης.]]
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Η ''' Η κουμαρίνη ''' ( ''αγγλ. '' coumarin) ''' ή αλλιώς '''''2Η-χρωμεν-2-όνη ''''' είναι αρωματική οργανική [[χημική ένωση]] με τον χημικό τύπο C<nowiki></br></nowiki> C Η<nowiki></br></nowiki> C Ο<nowiki></br></nowiki> C C9H6O2. ▼
▲'''Η κουμαρίνη (αγγλ. coumarin)''' ή αλλιώς '''''2Η-χρωμεν-2-όνη''''' είναι αρωματική οργανική [[χημική ένωση]] με τον χημικό τύπο C<nowiki></br></nowiki> C Η<nowiki></br></nowiki> C Ο<nowiki></br></nowiki> C .
Δομή
==Χημική δομή==
Το μόριό της μπορεί να περιγραφεί ως [[Βενζόλιο|μόριο βενζολίου]] με δύο παρακείμενα [[Υδρογόνο|άτομα υδρογόνου]] που αντικαθίστανται από αλυσίδα λακτόνης −(CH)=(CH)−(C=O)−O−, σχηματίζοντας ένα δεύτερο εξαμελή [[Ετεροκυκλικές ενώσεις|ετερόκυκλο]] που μοιράζεται δύο [[Άνθρακας|άνθρακες]] με το δακτύλιο βενζολίου. Μπορεί και να θεωρηθεί [[Λακτόνες|λακτόνη]]. <ref name="pubchem19">{{Cite web|url=https://pubchem.ncbi.nlm.nih.gov/compound/323|title=Coumarin|ημερομηνία=4 April 2019|publisher=PubChem, National Library of Medicine, US National Institutes of Health|accessdate=13 April 2019}}</ref>
Η κουμαρίνη είναι άχρωμο κρυσταλλικό στερεό με γλυκιά [[Οσμή|μυρωδιά που]] μοιάζει με το άρωμα της βανίλιας και μια πικρή γεύση.<ref name="pubchem19">{{Cite web|url=https://pubchem.ncbi.nlm.nih.gov/compound/323|title=Coumarin|ημερομηνία=4 April 2019|publisher=PubChem, National Library of Medicine, US National Institutes of Health|accessdate=13 April 2019}}<cite class="citation web cs1" data-ve-ignore="true">[https://pubchem.ncbi.nlm.nih.gov/compound/323 "Coumarin"]. PubChem, National Library of Medicine, US National Institutes of Health. 4 April 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">13 April</span> 2019</span>.</cite></ref> Βρίσκεται με φυσικό τρόπο σε πολλά φυτά, όπου μπορεί να χρησιμεύσει ως χημική άμυνα κατά των βιολογικών εχθρών (λ.χ. μύκητες, έντομα, παθογόνα).
== Χρήσεις ==
Η [[βαρφαρίνη]] – -μια κουμαρίνη –- με το [[Μάρκα|εμπορικό σήμα]], ''Coumadin'', είναι ένα συνταγογραφούμενο φάρμακο που χρησιμοποιείται ως αντιπηκτικό για την αναστολή του σχηματισμού θρόμβων αίματος, και έτσι είναι μια [[θεραπεία]] για [[Εν τω βάθει φλεβοθρόμβωση|θρόμβωση βαθιάς φλέβας]] και [[πνευμονική εμβολή]].<ref name="drugs19">{{Cite web|url=https://www.drugs.com/drug-class/coumarins-and-indandiones.html|title=Coumarins and indandiones|ημερομηνία=2016|publisher=Drugs.com|accessdate=24 December 2016}}</ref> <ref name="warfarin">{{Cite web|url=https://www.drugs.com/ppa/warfarin.html|title=Warfarin|ημερομηνία=7 March 2019|publisher=Drugs.com|accessdate=13 April 2019}}</ref> Μπορεί να χρησιμοποιηθεί για να αποτρέψει τον επαναλαμβανόμενο σχηματισμό θρόμβων αίματος από [[κολπική μαρμαρυγή]], [[Εγκεφαλικό επεισόδιο|θρομβωτικό εγκεφαλικό επεισόδιο]] και παροδικές ισχαιμικές προσβολές.
== Παραπομπές ==
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