(−)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane
98%
Manufacturer: Sigma Aldrich
CAS Number: 32305-98-9
Synonym(S): (−)-1,4-Bis(diphenylphosphino)-1,4-dideoxy-2,3-O-isopropylidene-L-threitol, (4R,5R)-4,5-Bis(diphenylphosphino-methyl)-2,2-dimethyl-1,3-dioxolane, (4R-trans)-[(2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene)]bis(diphenylphosphine), (R,R)-DIOP
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 1 G | 237655-1-G | In Stock | ₹ 23,576.85 |
237655 - 1 G
In Stock
Quantity
1
Base Price: ₹ 23,576.85
GST (18%): ₹ 4,243.833
Total Price: ₹ 27,820.683
Quality Level
100
Assay
98%
optical activity
[α]19/D −26°, c = 2.3 in chloroform
mp
88-90 °C (lit.)
storage temp.
2-8°C
SMILES string
CC1(C)O[C@@H](CP(c2ccccc2)c3ccccc3)[C@H](CP(c4ccccc4)c5ccccc5)O1
InChI
1S/C31H32O2P2/c1-31(2)32-29(23-34(25-15-7-3-8-16-25)26-17-9-4-10-18-26)30(33-31)24-35(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-22,29-30H,23-24H2,1-2H3/t29-,30-/m0/s1
InChI key
VCHDBLPQYJAQSQ-KYJUHHDHSA-N
Other Options
| Image | Product Name | Manufacturer | Price Range | |
|---|---|---|---|---|
 | Strem, An Ascensus Company CAS# 32305-98-9. 250mg. (4R,5R)-(-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane, 99.5% (R,R)-DIOP. MFCD00014107 | Strem, An Ascensus Company | ₹ 6,083.32 | |
 | Sigma Aldrich Fine Chemicals Biosciences (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane 98% | 32305-98-9 | MFCD00014107 | 1G | Sigma Aldrich Fine Chemicals Biosciences | ₹ 38,885.31 | |
 | 32305-98-9 | (-)-Diop | A2B Chem | ₹ 598.92 - ₹ 2,053.44 |
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Description
- General 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.[1]
- Application: For the in situ preparation of chiral hydrogenation catalysts.
SAFETY INFORMATION
Pictograms
Signal Word
Warning
Hazard Statements
Precautionary Statements
P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Quality Level: 100
Assay: 98%
optical activity: [α]19/D −26°, c = 2.3 in chloroform
mp: 88-90 °C (lit.)
storage temp.: 2-8°C
SMILES string: CC1(C)O[C@@H](CP(c2ccccc2)c3ccccc3)[C@H](CP(c4ccccc4)c5ccccc5)O1
InChI: 1S/C31H32O2P2/c1-31(2)32-29(23-34(25-15-7-3-8-16-25)26-17-9-4-10-18-26)30(33-31)24-35(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-22,29-30H,23-24H2,1-2H3/t29-,30-/m0/s1
InChI key: VCHDBLPQYJAQSQ-KYJUHHDHSA-N
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