Lot numbers can be found on the outside label of a product:
Di-p-tolylphosphine oxide
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CAS No. 2409-61-2
- Cat. No. CS-W012958
- Purity≥95%
- MDL No.MFCD01445489
*For research and further manufacturing use only, not for direct human use.
Structure of 2409-61-2
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General Information
- CAS No. 2409-61-2
- Cat. No. CS-W012958
- Purity ≥95%
- MDL No. MFCD01445489
- Storage 4°C, protect from light, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₄H₁₅OP
- Molecular Weight 230.25
- Synonym(s) Bis(p-tolyl)phosphine oxide
- SMILES CC1=CC=C(P(C2=CC=C(C)C=C2)=O)C=C1
Description
It is an active pharmaceutical intermediate.
Application
Di-p-tolylphosphine oxide serves as a stable, bench-ready phosphine ligand that facilitates transition metal-catalyzed cross-coupling reactions. Its electron-donating p-tolyl groups enhance reactivity in palladium-catalyzed processes while maintaining resistance to oxidation. The molecule's crystalline nature and ease of purification support reproducible results in synthetic workflows.
Synthesis
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Route1
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762-04-9 - ~54%
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In-stock
2409-61-2
References
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Takeda Pharmaceutical Company Limited Patent: EP1626052 A1, 2006 ; Location in patent: Page/Page column 6-7 ;
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Route2
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762-04-9
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4294-57-9
- ~89%
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In-stock
2409-61-2
References
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Busacca, Carl A.; Lorenz, Jon C.; Grinberg, Nelu; Haddad, Nizar; Hrapchak, Matt; Latli, Bachir; Lee, Heewon; Sabila, Paul; Saha, Anjan; Sarvestani, Max; Shen, Sherry; Varsolona, Richard; Wei, Xudong; Senanayake, Chris H. Organic Letters, 2005 , vol. 7, # 19 p. 4277 - 4280
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Route3
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1017-60-3
- ~61%
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In-stock
2409-61-2
References
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Christiansen, Andrea; Li, Chuanzhao; Garland, Marc; Selent, Detlef; Ludwig, Ralf; Spannenberg, Anke; Baumann, Wolfgang; Franke, Robert; Boerner, Armin European Journal of Organic Chemistry, 2010 , # 14 p. 2733 - 2741
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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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 17.07
- LogP 2.81394
- H_Acceptors 1
- H_Donors 0
- Rotatable_Bonds 2
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