Contact us: +91 9550333722 040 - 40102781
Structured search
India
Choose your country
Different countries will display different contents
Try our best to find the right business for you.
My chemicalbook

Welcome back!

HomeProduct name list(-)-DIOP

(-)-DIOP

Synonym(s):(−)-1,4-Bis(diphenylphosphino)-1,4-dideoxy-2,3-O-isopropylidene-L-threitol;(R,R)-DIOP;(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)

  • CAS NO.:32305-98-9
  • Empirical Formula: C31H32O2P2
  • Molecular Weight: 498.54
  • MDL number: MFCD00014107
  • EINECS: 250-984-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-14 14:09:35
(-)-DIOP Structural

What is (-)-DIOP?

Chemical properties

white powder

The Uses of (-)-DIOP

For the in situ preparation of chiral hydrogenation catalysts.

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.

Purification Methods

It has been recrystallised from *C6H6/pet ether. After 2 recrystallisations from EtOH, it was pure by TLC on silica gel using Me2CO/hexane as solvent. [Kagan & Dang J Am Chem Soc 94 6429 1972.] Lanthanide shift reagents See in “Aliphatic Compounds”, Chapter 4, europium (III) acetate above and Eu(tmc)3 and Eu(tfc)3 below.

Properties of (-)-DIOP

Melting point: 88-90 °C(lit.)
Boiling point: 590.3±25.0 °C(Predicted)
alpha  -26° (c 2.0, CHCl3)
storage temp.  2-8°C
form  Powder
color  white
optical activity [α]19/D 26°, c = 2.3 in chloroform
Sensitive  Air Sensitive
BRN  1441045

Safety information for (-)-DIOP

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for (-)-DIOP

Related products of tetrahydrofuran

You may like

  • (−)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane CAS 32305-98-9
    (−)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane CAS 32305-98-9
    32305-98-9
    View Details
  • 1-Methyl-6-oxo-1,6-dihydropyridazine-3-carbonitrile 98%
    1-Methyl-6-oxo-1,6-dihydropyridazine-3-carbonitrile 98%
    99903-60-3
    View Details
  • 1823368-42-8 98%
    1823368-42-8 98%
    1823368-42-8
    View Details
  • 2-(3-(tert-butyl)phenoxy)-2-methylpropanoic acid 1307449-08-6 98%
    2-(3-(tert-butyl)phenoxy)-2-methylpropanoic acid 1307449-08-6 98%
    1307449-08-6
    View Details
  • Ethyl 3-(furan-2-yl)-3-hydroxypropanoate 25408-95-1 98%
    Ethyl 3-(furan-2-yl)-3-hydroxypropanoate 25408-95-1 98%
    25408-95-1
    View Details
  • 2-Chloro-5-fluoro-1-methoxy-3-methylbenzene 98%
    2-Chloro-5-fluoro-1-methoxy-3-methylbenzene 98%
    1805639-70-6
    View Details
  • 1784294-80-9 98%
    1784294-80-9 98%
    1784294-80-9
    View Details
  • Lithium Clavulanate
    Lithium Clavulanate
    61177-44-4
    View Details
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.