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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

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-dimethylphospholano)benzen;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
CBNumber:
CB0456508
Molecular Formula:
C18H28P2
Molecular Weight:
306.36
MDL Number:
MFCD00142336
MOL File:
147253-67-6.mol
Last updated:2025-01-27 09:38:02

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

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
FDA UNII H5W03D1HAQ
UNSPSC Code 12352005
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P280-P302+P352-P362+P364
Safety Statements  22-24/25
WGK Germany  3
F  10-23
HS Code  2934999090
NFPA 704
1
0 0

(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 665258 (?)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene kanata purity 147253-67-6 100mg $78.5 2023-06-20 Buy
TCI Chemical B2436 1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene 147253-67-6 100MG $97 2025-07-31 Buy
TCI Chemical B2436 1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene 147253-67-6 500MG $401 2025-07-31 Buy
Strem Chemicals 15-0096 (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene, 98+% (R,R)-Me-DUPHOS 147253-67-6 100mg $60 2024-03-01 Buy
Strem Chemicals 15-0096 (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene, 98+% (R,R)-Me-DUPHOS 147253-67-6 500mg $258 2024-03-01 Buy
Product number Packaging Price Buy
665258 100mg $78.5 Buy
B2436 100MG $97 Buy
B2436 500MG $401 Buy
15-0096 100mg $60 Buy
15-0096 500mg $258 Buy

(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Chemical Properties,Uses,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.
Reactions of 147253-67-6_1
Reactions of 147253-67-6_2

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.

80510-04-9
220224-82-8
147253-67-6
Synthesis of (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE from 1,2-BIS(PHOSPHINO)BENZENE and (2S,5S)-Hexane-2,5-diol cyclic sulfate

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

Global( 87)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Daken Advanced Materials Co.,Ltd 		+86-2158073036 info@dakenam.com China 12908 58
ATK CHEMICAL COMPANY LIMITED 		+undefined-21-51877795 ivan@atkchemical.com China 33024 60
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29855 58
NINGBO INNO PHARMCHEM CO., LTD. 		13867897135 sales@nbinno.com CHINA 923 58
Zhengzhou Alfa Chemical Co.,Ltd 		+8618530059196 sale04@alfachem.cn China 12419 58
Dayang Chem (Hangzhou) Co.,Ltd. 		+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58
PT CHEM GROUP LIMITED 		+86-85511178; peter68@ptchemgroup.com China 35425 58
GIHI CHEMICALS CO.,LIMITED 		+8618058761490 info@gihichemicals.com China 49983 58
Henan Allgreen Chemical Co.,LTD 		+86-37155567971 +86-13633837469 info@allgreenchem.com China 5997 58
Shanghai Acmec Biochemical Technology Co., Ltd. 		+86-18621343501; +undefined18621343501 product@acmec-e.com China 33338 58

View Lastest Price from (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE pictures 2024-10-12 (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
147253-67-6
 US $7.00 / KG 0.1KG 98% 1KG; 10KG; 50KG; 100KG and more Career Henan Chemical Co
()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene pictures 2021-07-02 ()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene
147253-67-6
 US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
(-)-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% (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-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 ()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene,≥95.0% (?)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzen 147253-67-6 C18H28P2 Asymmetric Synthesis Chiral Catalysts, Ligands, and Reagents Privileged Ligands DuPhos/BPE organophosphine ligand