Lot numbers can be found on the outside label of a product:
4,5-Diphenyl-1,3-dioxol-2-one
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CAS No. 21240-34-6
- Cat. No. CS-0449879
- Purity≥95%
- MDL No.MFCD00005381
*For research and further manufacturing use only, not for direct human use.
Structure of 21240-34-6
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General Information
- CAS No. 21240-34-6
- Cat. No. CS-0449879
- Purity ≥95%
- MDL No. MFCD00005381
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₅H₁₀O₃
- Molecular Weight 238.24
- Synonym(s) 1,2-diphenylvinylene carbonate
- SMILES C1=CC=C(C=C1)C2=C(C3=CC=CC=C3)OC(=O)O2
Description
4,5-Diphenyl-1,3-dioxol-2-one serves as a reactive synthon in cycloaddition chemistry, featuring a strained cyclic anhydride core that readily participates in [3+2] and [4+2] processes. The dual phenyl substituents enhance stability while maintaining high electrophilicity at the carbonyl centers. This structure enables efficient integration into complex molecular architectures under mild conditions.
Application
4,5-Diphenyl-1,3-dioxol-2-one serves as a stable, bench-ready dienophile in Diels-Alder reactions, enabling efficient construction of complex bicyclic frameworks. Its high reactivity and excellent functional group tolerance facilitate straightforward access to substituted cyclohexene derivatives. The molecule's crystalline nature and predictable regioselectivity make it ideal for modular synthesis workflows in medicinal chemistry and natural product total synthesis.
Synthesis
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Route1
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32315-10-9 -
In-stock
119-53-9 - ~61%
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In-stock
21240-34-6
References
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Sahu, Devi Prasad Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2002 , vol. 41, # 8 p. 1722 - 1723
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Route2
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In-stock
119-53-9
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530-62-1
- ~80%
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In-stock
21240-34-6
References
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Papageorgiou, George; Corrie, John E.T. Tetrahedron, 1997 , vol. 53, # 11 p. 3917 - 3932
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Route3
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In-stock
119-53-9
- ~%
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In-stock
21240-34-6
References
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Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, , vol. 41, # 8 p. 1722 - 1723
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 43.35
- LogP 3.5668
- H_Acceptors 3
- H_Donors 0
- Rotatable_Bonds 2
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Key Words
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