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Contents

   



(Top)
 


1 Production  





2 Mechanism of action  





3 Substances  





4 Names  





5 See also  





6 References  





7 External links  














Taxane






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Taxane

Names

IUPAC name

Taxane[1]

Systematic IUPAC name

(4R,4aR,6S,9R,10S,12aS)-4,9,12a,13,13-Pentamethyltetradecahydro-6,10-methanobenzo[10]annulene

Identifiers

CAS Number

3D model (JSmol)

ChemSpider

PubChem CID

  • InChI=1S/C20H36/c1-14-7-6-11-20(5)12-10-17-15(2)8-9-16(13-18(14)20)19(17,3)4/h14-18H,6-13H2,1-5H3/t14-,15-,16+,17+,18-,20+/m1/s1

    Key: DKPFODGZWDEEBT-QFIAKTPHSA-N

  • InChI=1S/C20H36/c1-14-7-6-11-20(5)12-10-17-15(2)8-9-16(13-18(14)20)19(17,3)4/h14-18H,6-13H2,1-5H3/t14-,15-,16+,17+,18-,20+/m1/s1

    Key: DKPFODGZWDEEBT-QFIAKTPHSA-N

    • C[C@@H]1CCC[C@@]2([C@@H]1C[C@@H]3CC[C@H]([C@@H](C3(C)C)CC2)C)C

    Properties

    Chemical formula

    C20H36

    Molar mass

    276.508 g·mol−1

    Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

    Infobox references

    Taxanes are a class of diterpenes. They were originally identified from plants of the genus Taxus (yews), and feature a taxadiene core. Paclitaxel (Taxol) and docetaxel (Taxotere) are widely used as chemotherapy agents.[2][3] Cabazitaxel was FDA approved to treat hormone-refractory prostate cancer.

    Taxanes present difficulties in formulation as medicines because they are poorly soluble in water.

    Production[edit]

    As their name suggests, taxanes were first derived from natural sources, but some have been semisynthesized. Paclitaxel was originally derived from the Pacific yew tree.[4][5] Taxanes are difficult to synthesize because of their numerous chiral centres—taxol has 11 of these.

    Recently, the presence of taxanes in the shells and leaves of Corylus avellana (the common hazel plant) has been reported.[6][7]

    Mechanism of action[edit]

    Mechanism of action of taxanes

    The principal mechanism of action of the taxane class of drugs is the disruption of microtubule function. Microtubules are essential to cell division, and taxanes stabilize GDP-bound tubulin in the microtubule, thereby inhibiting the process of cell division as depolymerization is prevented. Thus, in essence, taxanes are mitotic inhibitors. In contrast to the taxanes, the vinca alkaloids prevent mitotic spindle formation through inhibition of tubulin polymerization. Both taxanes and vinca alkaloids are, therefore, named spindle poisons or mitosis poisons, but they act in different ways. Taxanes are also thought to be radiosensitizing.

    Substances[edit]

    Hongdoushans A–C are oxygenated taxane diterpenes, isolated from the wood of Taxus wallichiana. Hongdoushan A (C29H44O7), hongdoushan B (C27H40O7), and hongdoushan C (C27H42O6) are reported to have anticancer activity in vitro.[8] Taxuspines A–D have been isolated from Taxus.[9][10][11][12]

    Baccatin III (left) Paclitaxel (right)
    Taxuspine A
    Taxuspine B
    Hongdoushan A

    Names[edit]

    Taxanes are usually treated as synonymous with taxoids. The name "taxol" began as a common noun (analogous with other terms in which a genus name root was suffixed with -olor-in), but it was later capitalized as a trade name, and the international nonproprietary name of the compound is paclitaxel.

    See also[edit]

    References[edit]

    1. ^ International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 1540. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
  • ^ Hagiwara, H.; Sunada, Y. (2004). "Mechanism of taxane neurotoxicity". Breast Cancer (Tokyo, Japan). 11 (1): 82–85. doi:10.1007/BF02968008. PMID 14718798. S2CID 22096988.
  • ^ Rowinsky, MD, Eric K. (February 1997). "The Development and Clinical Utility of the Taxane Class of Antimicrotubule Chemotherapy Agents". Annual Review of Medicine. 48 (1): 353–374. doi:10.1146/annurev.med.48.1.353. PMID 9046968.
  • ^ Hacker, Miles (2009). "Adverse Drug Reactions". Pharmacology. pp. 327–352. doi:10.1016/B978-0-12-369521-5.00013-0. ISBN 9780123695215.
  • ^ Weaver, Beth A.; Bement, William (2014). "How Taxol/paclitaxel kills cancer cells". Molecular Biology of the Cell. 25 (18): 2677–2681. doi:10.1091/mbc.e14-04-0916. ISSN 1059-1524. PMC 4161504. PMID 25213191.
  • ^ Ottaggio, Laura; Bestoso, Federica; Armirotti, Andrea; Balbi, Alessandro; Damonte, Gianluca; Mazzei, Mauro; Sancandi, Monica; Miele, Mariangela (2008). "Taxanes from Shells and Leaves of Corylus avellana". Journal of Natural Products. 71 (1): 58–60. doi:10.1021/np0704046. PMID 18163585.
  • ^ Hoffman, Angela M; Shahidi, Fereidoon (January 2009). "Paclitaxel and other taxanes in hazel". Journal of Functional Foods. 1 (1): 33–37. doi:10.1016/j.jff.2008.09.004.
  • ^ Banskota AH, Usia T, Tezuka Y, Kouda K, Nguyen NT, Kadota S (2002). "Three new C-14 oxygenated taxanes from the wood of Taxus yunnanensis". J Nat Prod. 65 (11): 1700–2. doi:10.1021/np020235j. PMID 12444707.
  • ^ CID 10417482 from PubChem
  • ^ CID 5321744 from PubChem
  • ^ CID 100991639 from PubChem
  • ^ CID 5321746 from PubChem
  • External links[edit]

    SPs/MIs
    (M phase)

    Block microtubule assembly

  • Vincristine#
  • Vindesine
  • Vinflunine§
  • Vinorelbine#)
  • Block microtubule disassembly

  • Docetaxel#
  • Larotaxel
  • Ortataxel
  • Paclitaxel#
  • Tesetaxel)
  • Epothilones (Ixabepilone)
  • DNA replication
    inhibitor

    DNA precursors/
    antimetabolites
    (S phase)

  • Pemetrexed
  • Pralatrexate)
  • Thymidylate synthase inhibitor (Pemetrexed
  • Raltitrexed)
  • Purine

    Pyrimidine

  • Carmofur
  • Doxifluridine
  • Floxuridine
  • Fluorouracil#
  • Tegafur (+gimeracil/oteracil))
  • Deoxyribonucleotide

    Topoisomerase inhibitors
    (S phase)

    I

  • Camptothecin
  • Cositecan
  • Etirinotecan pegol
  • Exatecan
  • Gimatecan
  • Irinotecan#
  • Lurtotecan
  • Rubitecan
  • Silatecan§
  • Topotecan)
  • II

  • Teniposide)
  • II+Intercalation

  • Amrubicin
  • Daunorubicin# (+cytarabine)
  • Doxorubicin#
  • Epirubicin
  • Idarubicin
  • Pirarubicin
  • Valrubicin
  • Zorubicin)
  • Anthracenediones (Losoxantrone
  • Mitoxantrone
  • Pixantrone)
  • Amsacrine
  • Bisantrene
  • Crisnatol
  • Menogaril§
  • Crosslinking of DNA
    (CCNS)

    Alkylating

  • Chlormethine
  • Cyclophosphamide# (Ifosfamide#
  • Trofosfamide)
  • Chlorambucil#
  • Melphalan (Melphalan flufenamide)
  • Prednimustine
  • Uramustine
  • Platinum-based

  • Cisplatin#
  • Dicycloplatin
  • Nedaplatin
  • Oxaliplatin#
  • Satraplatin
  • Nonclassical

  • Hydrazines (Procarbazine#)
  • Etoglucid
  • Mitobronitol
  • Pipobroman
  • Triazenes (Dacarbazine#
  • Mitozolomide§
  • Temozolomide)
  • Intercalation

  • Bleomycin#
  • Mitomycins
  • Plicamycin)
  • Photosensitizers/PDT

  • Efaproxiral
  • Methyl aminolevulinate
  • Padeliporfin
  • Porphyrin derivatives (Porfimer sodium
  • Talaporfin
  • Temoporfin
  • Verteporfin)
  • Other

    Enzyme inhibitors

  • CDK inhibitors (Abemaciclib
  • Alvocidib
  • Palbociclib
  • Ribociclib
  • Seliciclib)
  • PrI
  • PhI (Anagrelide)
  • IMPDI (Tiazofurin§)
  • LI (Masoprocol)
  • PARP inhibitor (Fuzuloparib
  • Niraparib +abiraterone acetate
  • Olaparib
  • Rucaparib)
  • HDAC (Belinostat
  • Entinostat
  • Panobinostat
  • Romidepsin
  • Vorinostat)
  • PIKI (Pi3K) (Alpelisib
  • Copanlisib
  • Duvelisib
  • Idelalisib
  • Umbralisib)
  • Receptor antagonists

  • Retinoid X receptor (Bexarotene)
  • Sex steroid (Testolactone)
  • Other/ungrouped

  • Aflibercept
  • Arsenic trioxide
  • Asparagine depleters (Asparaginase#/Pegaspargase)
  • Axicabtagene ciloleucel
  • Belzutifan
  • Bexarotene
  • Brexucabtagene autoleucel
  • Celecoxib
  • Ciltacabtagene autoleucel
  • Demecolcine
  • Denileukin diftitox
  • Eflornithine
  • Elesclomol§
  • Elsamitrucin
  • Enasidenib
  • Epacadostat
  • Eribulin
  • Estramustine
  • Glasdegib
  • Idecabtagene vicleucel
  • Imetelstat
  • Ivosidenib
  • Lifileucel
  • Lonidamine
  • Lucanthone
  • Lurbinectedin
  • Mitoguazone
  • Mitotane
  • Navitoclax
  • Oblimersen
  • Omacetaxine mepesuccinate
  • Plitidepsin
  • Retinoids (Alitretinoin
  • Tretinoin#)
  • Selinexor
  • Sitimagene ceradenovec
  • Sotorasib
  • Tagraxofusp
  • Talimogene laherparepvec
  • Tazemetostat
  • Tebentafusp
  • Tiazofurine
  • Tigilanol tiglate
  • Tisagenlecleucel
  • Trabectedin
  • Veliparib
  • Venetoclax
  • Verdinexor
  • Vosaroxin
  • Withdrawn from market
  • Clinical trials:
  • §Never to phase III

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Taxane&oldid=1220549324"

    Categories: 
    Microtubule inhibitors
    Mitotic inhibitors
    Taxanes
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