Date published: 2026-5-14

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Cycloheptatriene (CAS 544-25-2)

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Alternate Names:
tropilidine
CAS Number:
544-25-2
Purity:
≥94%
Molecular Weight:
92.14
Molecular Formula:
C7H8
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Cycloheptatriene (CPT) is a cyclic, aromatic hydrocarbon with a wide range of applications in the fields of organic chemistry, chemical synthesis, and biological research. For example, it is employed in the study of enzyme catalysis and other biochemical processes. Additionally, it is used to investigate molecular structure, as it can be helpful to determine the stereochemistry of a molecule. The mechanism of action of Cycloheptatriene is based on its ability to form a conjugated system of alternating double and single bonds. This allows Cycloheptatriene to interact with other molecules, such as enzymes, and to form complex structures. It also acts as a catalyst in certain reactions and exhibits anti-inflammatory and anti-oxidant properties.


Cycloheptatriene (CAS 544-25-2) References

  1. A cornucopia of cycloadducts: theoretical predictions of the mechanisms and products of the reactions of cyclopentadiene with cycloheptatriene.  |  Leach, AG., et al. 2003. J Am Chem Soc. 125: 8330-9. PMID: 12837105
  2. First cobalt(I)-catalyzed [6 + 2] cycloadditions of cycloheptatriene with alkynes.  |  Achard, M., et al. 2005. Org Lett. 7: 2353-6. PMID: 15932196
  3. Tropene derivatives by sequential intermolecular and transannular, intramolecular palladium-catalyzed hydroamination of cycloheptatriene.  |  Sakai, N., et al. 2006. J Am Chem Soc. 128: 8134-5. PMID: 16787067
  4. Highly selective cobalt-mediated [6 + 2] cycloaddition of cycloheptatriene and allenes.  |  Clavier, H., et al. 2011. Org Lett. 13: 308-11. PMID: 21158456
  5. Double ionization of cycloheptatriene and the reactions of the resulting C7H(n)2+ dications (n = 6, 8) with xenon.  |  Ascenzi, D., et al. 2011. Phys Chem Chem Phys. 13: 18330-8. PMID: 21814673
  6. Carbaporphyrinoid Systems.  |  Lash, TD. 2017. Chem Rev. 117: 2313-2446. PMID: 27657332
  7. Recent progress on donor and donor-donor carbenes.  |  Zhu, D., et al. 2020. Chem Soc Rev. 49: 908-950. PMID: 31958107
  8. Diels-Alder Additions as Mechanistic Probes-Interception of Silyl-Isoindenes: Organometallic Derivatives of Polyphenylated Cycloheptatrienes and Related Seven-Membered Rings.  |  McGlinchey, MJ. 2020. Molecules. 25: PMID: 33076359
  9. Asymmetric Intramolecular Buchner Reaction: From High Stereoselectivity to Coexistence of Norcaradiene, Cycloheptatriene, and an Intermediate Form in the Solid State.  |  Darses, B., et al. 2021. Org Lett. 23: 300-304. PMID: 33393310
  10. Cycloadditions of Cyclopentadiene and Cycloheptatriene with Tropones: All Endo-[6+4] Cycloadditions Are Ambimodal.  |  Jamieson, CS., et al. 2021. J Am Chem Soc. 143: 3918-3926. PMID: 33656318
  11. Gold Catalysts Can Generate Nitrone Intermediates from a Nitrosoarene/Alkene Mixture, Enabling Two Distinct Catalytic Reactions: A Nitroso-Activated Cycloheptatriene/Benzylidene Rearrangement.  |  More, SA., et al. 2021. Org Lett. 23: 5506-5511. PMID: 34232666
  12. Synthesis of α-Tropolones through Autoxidation of Dioxole-Fused Cycloheptatrienes.  |  Berkowitz, AJ. and Murelli, RP. 2022. J Org Chem. 87: 4499-4507. PMID: 35007070
  13. Transition metal catalyzed [6 + 2] cycloadditions.  |  Anand, A., et al. 2019. RSC Adv. 9: 25554-25568. PMID: 35530050
  14. Skeleton-Reorganizing Coupling Reactions of Cycloheptatriene and Cycloalkenones with Amines.  |  Ji, DW., et al. 2023. Angew Chem Int Ed Engl. 62: e202213074. PMID: 36372782
  15. Carbene-controlled regioselectivity in photochemical cascades.  |  Di Filippo, M. and Baumann, M. 2023. Org Biomol Chem. 21: 2930-2934. PMID: 36745509

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Cycloheptatriene, 100 ml

sc-239608
100 ml
$204.00