237655

(−)-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

₹ 23,576.85

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

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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

GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

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