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ChemicalBook > CAS DataBase List > (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE

(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE

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Product Name
(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
CAS No.
147253-67-6
Chemical Name
(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
Synonyms
an-1-yL;(R,R)-ME-DUPHOS;(R,R)-METHYL-DUPHOS;()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene;1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene;(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE;1,2-bis((2R,5R)-2,5-dimethylphospholan-1-yl)benzene;(-)-1,2-bis-((2R,5R)-2,5-Dimethylphospholano)benzene;(-) -1,2-bis ((2R, 5R) -2,5-dimethylphosphorus) benzene;1,2-Bis[(2R,5R)-2,5-diMethyl-1-phospholanyl]benzene, 97+%
CBNumber
CB0456508
Molecular Formula
C18H28P2
Formula Weight
306.36
MOL File
147253-67-6.mol
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(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Property

Melting point:
66-76 °C
alpha 
-476° (c 1, hexane)
Boiling point:
415.0±15.0 °C(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
crystal
color 
white
optical activity
[α]20/D -420±15°, c = 0.5 in methylene chloride
Water Solubility 
Insoluble in water.
Sensitive 
Air Sensitive
BRN 
4810602
CAS DataBase Reference
147253-67-6
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
F 
10-23
HS Code 
2934999090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
665258
Product name
(?)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene
Purity
kanata purity
Packaging
100mg
Price
$78.5
Updated
2023/06/20
TCI Chemical
Product number
B2436
Product name
1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene
Packaging
100MG
Price
$65
Updated
2024/03/01
TCI Chemical
Product number
B2436
Product name
1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene
Packaging
500MG
Price
$269
Updated
2024/03/01
Alfa Aesar
Product number
H60592
Product name
1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene, 97+%
Packaging
250mg
Price
$125.65
Updated
2024/03/01
Alfa Aesar
Product number
H60592
Product name
1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene, 97+%
Packaging
1g
Price
$424.65
Updated
2024/03/01
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(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Chemical Properties,Usage,Production

Reactions

  1. The DUPHOS family of catalysts is highly efficient for the asymmetric hydrogenation of various substituted cetamidoacrylates and enol acetates yielding products of high enantiomeric excesses.
  2. Efficient ligand for the asymmetric hydrogenation of imines, enamines, and enamides.
  3. Asymmetric hydrogenation of vinyl alcohols.
  4. Catalyst used for the asymmetric hydrogenation of enol phosphonates.
  5. Asymmetric hydrogenation of allylic alcohols.
  6. Ligand for the catalytic asymmetric [4+1] cycloaddition of vinylallenes with CO.
  7. Ligand for the Rh-catalyzed asymmetric enyne cycloisomerization.
  8. Catalytic enantioselective addition of dialkylzinc to N-Diphenylphosphinoylimines.

Uses

1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff. It is used as highly efficient privileged ligands.

(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Preparation Products And Raw materials

Raw materials

Preparation Products

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(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Suppliers

Americas 1 China 59 Europe 1 Germany 2 India 2 Israel 1 Japan 2 Norway 1 Switzerland 1 The Netherlands 1 United Kingdom 1 United States 5 Global 77
Eurolabs Limited
Tel
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Fax
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Country
United Kingdom
ProdList
6309
Advantage
46
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View Lastest Price from (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE manufacturers

Career Henan Chemical Co
Product
(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE 147253-67-6
Price
US $7.00/KG
Min. Order
0.1KG
Purity
98%
Supply Ability
1KG; 10KG; 50KG; 100KG and more
Release date
2024-10-11
Zhuozhou Wenxi import and Export Co., Ltd
Product
()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene 147253-67-6
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27

147253-67-6, (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENERelated Search:

(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene,98+%(S,S)-Me-DUPHOS,(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE (-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE (3R,6R)-3,6-OCTANEDIOL (-)-1,2-BIS((2R,5R)-2,5-DIPHENYLPHOSPHOLANO)ETHANE (R)-5-fluoro-3-methylisobenzofuran-1(3H)-one (+)-1,2-BIS[(2S,5S)-2,5-DIETHYLPHOSPHOLANO]BENZENE (S)-5-fluoro-3-methylisobenzofuran-1(3H)-one (-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(L)TETRAFLUOROBORATE (-)-1,2-Bis[(2R,5R)-dimethylphospholano]benzene(cyclooctadiene)rhodium(I) tetrafluoroborate (S,S)-I-PR-DUPHOS (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE (-)-1,2(2R,5R)-2,5-(DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (+)-1,2-BIS((2S,5S)-2,5-DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TETRAFLUOROBORATE (-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (-)-1,2(2R,5R)-2,5-(DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE 1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene monooxide 1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene monooxide (-)-1,2-BIS((2S,5S)-2,5-DI-I-PROPYLPHOSPHOLANO)BENZENE(1,5-CYCLOOCTADIENE)RHODIUM (I) TETRAFLUOROBORATE

  • (2R,2'R,5R,5'R)-2,2',5,5'-TETRAMETHYL-1,1'-(1,2-PHENYLENE)DIPHOSPHOLANE
  • (2R,2'R,5R,5'R)-2,2',5,5'-TETRAMETHYL-1,1'-(O-PHENYLENE)DIPHOSPHOLANE
  • (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
  • (-)-1,2-BIS((2R,5R)-2,5-DIMETHYLPHOSPHOLANO)BENZENE, KANATA PURITY
  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene(r,r)-me-duphos
  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene,98+%(R,R)-Me-DUPHOS
  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene, (R,R)-Me-DUPHOS,98+%
  • ()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene,(2R,2’R,5R,5′R)-2,2′,5,5′-Tetramethyl-1,1′-(o-phenylene)diphospholane, (R,R)-Me-DUPHOS, (R,R)-Methyl-DUPHOS
  • 1,2-Bis[(2R,5R)-2,5-diMethyl-1-phospholanyl]benzene, 97+%
  • (2R,5R,2'R,5'R)-1,1'-(1,2-Phenylene)bis(2,5-dimethylphospholane)
  • 1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene
  • (R,R)-ME-DUPHOS
  • (R,R)-METHYL-DUPHOS
  • ()-1,2-Bis[(2R,5R)-2,5-diMethylphospholano]benzene,>=95.0%
  • 1,2-bis((2R,5R)-2,5-dimethylphospholan-1-yl)benzene
  • [2R-[1(2'R*,5'R*),2a,5b]]-1,1'-(1,2-phenylene)bis[2,5-dimethylphospholane]
  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene, min.97% (R,R)-Me-DUPHOS
  • Phospholane, 1,1'-(1,2-phenylene)bis[2,5-dimethyl-, (2R,2'R,5R,5'R)-
  • an-1-yL
  • ()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene
  • (-)-1,2-bis-((2R,5R)-2,5-Dimethylphospholano)benzene
  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene (R,R)-Me-Duphos
  • (-) -1,2-bis ((2R, 5R) -2,5-dimethylphosphorus) benzene
  • 147253-67-6
  • C18H28P2
  • Asymmetric Synthesis
  • Chiral Catalysts, Ligands, and Reagents
  • Privileged Ligands
  • DuPhos/BPE
  • organophosphine ligand