Lot numbers can be found on the outside label of a product:
(S)-SYNPHOS
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CAS No. 503538-68-9
- Cat. No. CS-0087076
- Purity≥97%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 503538-68-9
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General Information
- CAS No. 503538-68-9
- Cat. No. CS-0087076
- Purity ≥97%
- MDL No. None
- Storage 4°C, protect from light, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₄₀H₃₂O₄P₂
- Molecular Weight 638.63
- Synonym(s) R-(+)-6,6-Bis(Diphenylphosphino)-2,2,3,3-Tetrahydro-5,5-BI-1,4-Benzodioxin
- SMILES C1([C@@]([C@@]2=C(OCCO3)C3=CC=C2P(C4=CC=CC=C4)C5=CC=CC=C5)=C(P(C6=CC=CC=C6)C7=CC=CC=C7)C=C8)=C8OCCO1
Description
(S)-SYNPHOS is a chiral bisphosphine ligand featuring a rigid, electron-rich backbone that enables high enantioselectivity in palladium-catalyzed cross-coupling reactions. This bench-stable, moisture-tolerant ligand integrates seamlessly into asymmetric synthesis workflows, delivering consistent stereocontrol in the formation of complex C–C bonds under standard conditions.
Application
(S)-SYNPHOS is a chiral bisphosphine ligand that enables highly enantioselective transition-metal-catalyzed reactions, particularly in asymmetric hydrogenation and cross-coupling processes. Its robust structure ensures excellent bench stability and compatibility with diverse functional groups. The ligand facilitates efficient catalyst activation and delivers consistent stereocontrol across a broad range of substrates, making it a reliable choice for scalable synthesis of chiral intermediates in pharmaceutical and agrochemical development.
Synthesis
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Route1
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In-stock
![2,3-Dihydrobenzo[b][1,4]dioxine|CS-W017762](https://file.chemscene.com/productPIC/CS-W017762.gif)
493-09-4 - ~%
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In-stock
503538-68-9
References
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Paule, Sebastien Duprat de; Jeulin, Severine; Ratovelomanana-Vidal, Virginie; Genet, Jean-Pierre; Champion, Nicolas; Dellis, Philippe European Journal of Organic Chemistry, 2003 , # 10 p. 1931 - 1941
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Route2
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In-stock
![6-Bromo-2,3-dihydrobenzo[b][1,4]dioxine|CS-W002191](https://file.chemscene.com/productPIC/CS-W002191.gif)
52287-51-1 - ~%
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In-stock
503538-68-9
References
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Paule, Sebastien Duprat de; Jeulin, Severine; Ratovelomanana-Vidal, Virginie; Genet, Jean-Pierre; Champion, Nicolas; Dellis, Philippe European Journal of Organic Chemistry, 2003 , # 10 p. 1931 - 1941
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Route3
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445380-60-9 - ~%
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In-stock
503538-68-9
References
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Paule, Sebastien Duprat de; Jeulin, Severine; Ratovelomanana-Vidal, Virginie; Genet, Jean-Pierre; Champion, Nicolas; Dellis, Philippe European Journal of Organic Chemistry, 2003 , # 10 p. 1931 - 1941
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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-P280-P302+P352
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Quality Control
Computational Chemistry Data
- TPSA 36.92
- LogP 6.4124
- H_Acceptors 4
- H_Donors 0
- Rotatable_Bonds 7
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Key Words
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