Lot numbers can be found on the outside label of a product:
(R,R)-DIOP
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CAS No. 32305-98-9
- Cat. No. CS-W011502
- Purity≥95%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 32305-98-9
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General Information
- CAS No. 32305-98-9
- Cat. No. CS-W011502
- 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 C₃₁H₃₂O₂P₂
- Molecular Weight 498.54
- Synonym(s) {[(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-diyl]dimethanediyl}bis(diphenylphosphane)
- SMILES CC(O1)(C)O[C@@H](CP(C2=CC=CC=C2)C3=CC=CC=C3)[C@@H]1CP(C4=CC=CC=C4)C5=CC=CC=C5
Description
(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane is a C2 chelating diphosphine ligand for transition metal complexes during asymmetric catalysis.For the in situ preparation of chiral hydrogenation catalysts.
Synthesis
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Route1
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99436-45-0 - ~65%
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In-stock
32305-98-9
References
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Brunner, H.; Zettlmeier, W. Bulletin des Societes Chimiques Belges, 1991 , vol. 100, # 3 p. 247 - 257
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Route2
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4376-01-6
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In-stock
37002-45-2 - ~61%
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In-stock
32305-98-9
References
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Arkema Inc. Patent: US2010/234642 A1, 2010 ; Location in patent: Page/Page column 13 ;
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Route3
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50622-09-8 - ~%
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In-stock
32305-98-9
References
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Tetrahedron Letters, , vol. 34, # 28 p. 4523 - 4526
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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 18.46
- LogP 5.7723
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 8
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Key Words
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