Lot numbers can be found on the outside label of a product:
(2R,3R)-Chiraphos
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CAS No. 74839-84-2
- Cat. No. CS-0035254
- Purity≥95%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 74839-84-2
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General Information
- CAS No. 74839-84-2
- Cat. No. CS-0035254
- Purity ≥95%
- MDL No. None
- Storage 4°C, protect from light, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₂₈H₂₈P₂
- Molecular Weight 426.47
- Synonym(s) (R,R)-Chiraphos
- SMILES C[C@@H](P(C1=CC=CC=C1)C2=CC=CC=C2)[C@@H](C)P(C3=CC=CC=C3)C4=CC=CC=C4
Application
(2R,3R)-Chiraphos is a robust, bench-stable diphosphine ligand that enables highly enantioselective transition metal-catalyzed reactions. It functions effectively in palladium- and rhodium-catalyzed asymmetric hydrogenation and allylic alkylation, offering excellent stereocontrol and reproducible results. Its defined (2R,3R) configuration ensures consistent performance across diverse substrates, facilitating purification and process development in synthetic and pharmaceutical applications.
Synthesis
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Route1
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192449-15-3 - ~95%
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In-stock
74839-84-2
References
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Matteoli, Ugo; Beghetto, Valentina; Schiavon, Cristina; Scrivanti, Alberto; Menchi, Gloria Tetrahedron Asymmetry, 1997 , vol. 8, # 9 p. 1403 - 1409
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Route2
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113017-77-9
- ~%
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In-stock
74839-84-2
References
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Tetrahedron Asymmetry, , vol. 8, # 9 p. 1403 - 1409
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Route3
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1079-66-9
- ~%
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In-stock
74839-84-2
References
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Tetrahedron Asymmetry, , vol. 8, # 9 p. 1403 - 1409
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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 : H315-H319-H335
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Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 0
- LogP 6.0292
- H_Acceptors 0
- H_Donors 0
- Rotatable_Bonds 7
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Key Words
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