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

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

(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Structure
(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE structure
CAS No.
136735-95-0
Chemical Name:
(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
Synonyms
(S,S)-ME-DUPHOS;1,2-Bis((2S,5S)-2,5-dimethylphospholan-1-yl)benzene;(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene;1,2-Bis[(2S,5S)-2,5-dimethyl-1-phospholanyl]benzene;(S,S)-METHYL-DUPHOS;(S,S)-1,2-Bis(2,5-dimethylphospholano)benzene;(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE;1,2-Bis[(2S,5S)-2,5-diMethyl-1-phospholanyl]benzene, 97+%;(+)-1,2-Bis[(2S,5S)-2,5-diMethylphospholano]benzene kanata purity;(+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene
CBNumber:
CB3464225
Molecular Formula:
C18H28P2
Molecular Weight:
306.36
MDL Number:
MFCD00142322
MOL File:
136735-95-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 06:32:30
Product description Number Pack Size Price
(+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene kanata purity 665266 100mg $99.7
(+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene kanata purity 665266 500mg $328
(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene, min. 98% (S,S)-Me-DUPHOS min.98% 15-0092 100mg $68
(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene, min. 98% (S,S)-Me-DUPHOS min.98% 15-0092 500mg $290
(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene, min. 98% (S,S)-Me-DUPHOS min.98% 15-0092 2g $940
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(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Properties

Melting point 67-76 °C
alpha D25 +476± 5° (c = 1 in 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
Water Solubility Insoluble in water.
Sensitive Air Sensitive
BRN 4810602
InChI InChI=1S/C18H28P2/c1-13-9-10-14(2)19(13)17-7-5-6-8-18(17)20-15(3)11-12-16(20)4/h5-8,13-16H,9-12H2,1-4H3/t13-,14-,15-,16-/m0/s1
InChIKey AJNZWRKTWQLAJK-VGWMRTNUSA-N
SMILES C1(P2[C@@H](C)CC[C@@H]2C)=CC=CC=C1P1[C@@H](C)CC[C@@H]1C
FDA UNII HL745J99SB
UNSPSC Code 12352005
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P280-P305+P351+P338
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
F  1-10
Storage Class 11 - Combustible Solids
NFPA 704
1
0 0

(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE price More Price(35)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 665266 (+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene kanata purity 136735-95-0 100mg $99.7 2026-04-30 Buy
Sigma-Aldrich 665266 (+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene kanata purity 136735-95-0 500mg $328 2026-04-30 Buy
Strem Chemicals 15-0092 (+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene, min. 98% (S,S)-Me-DUPHOS min.98% 136735-95-0 100mg $68 2026-04-30 Buy
Strem Chemicals 15-0092 (+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene, min. 98% (S,S)-Me-DUPHOS min.98% 136735-95-0 500mg $290 2026-04-30 Buy
Strem Chemicals 15-0092 (+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene, min. 98% (S,S)-Me-DUPHOS min.98% 136735-95-0 2g $940 2026-04-30 Buy
Product number Packaging Price Buy
665266 100mg $99.7 Buy
665266 500mg $328 Buy
15-0092 100mg $68 Buy
15-0092 500mg $290 Buy
15-0092 2g $940 Buy

(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Chemical Properties,Uses,Production

Reaction

  1. The DUPHOS family of catalysts is highly efficient for the asymmetric hydrogenation of various substituted acetamidoacrylates and enol acetates yielding products of high enantiomeric excesses. Efficient ligand for the asymmetric hydrogenation of imines, enamines, and enamides.
  2. Asymmetric hydrogenation of vinyl alcohols.
  3. Catalyst used for the asymmetric hydrogenation of enol phosphonates.
  4. Asymmetric hydrogenation of allylic alcohols.
  5. Ligand for the catalytic asymmetric [4+1] cycloaddition of vinylallenes with CO.
  6. Ligand for the Rh-catalyzed asymmetric enyne cycloisomerization.
  7. Catalytic enantioselective addition of dialkylzinc to N-Diphenylphosphinoylimines.
  8. Palladium-catalyzed asymmetric phosphination.
  9. Palladium-catalyzed asymmetric hydrogenation of carbonyls.
  10. Palladium-catalyzed 1,4 arylation of α, β-unsaturated ketones.
  11. Asymmetric, Ir-catalyzed, [2+2+2] cycloaddition.
  12. Asymmertric palladium-catalyzed synthesis of 2-methyl-indolines via C–H activation.
  13. Copper-catalyzed monoborylation of 1,3-Dienes.
  14. Rhodium-catalyzed enantioselective transmetalation.
  15. CuH-catalyzed hydroamination of styrenes.
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Uses

It is a DuPhos and BPE ligands which are highly efficient privileged ligands.

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

Raw materials

Preparation Products

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

Global( 67)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Daken Advanced Materials Co.,Ltd 		+86-2158073036 info@dakenam.com China 13901 58
NINGBO INNO PHARMCHEM CO., LTD. 		13867897135 sales@nbinno.com CHINA 923 58
Zhengzhou Alfa Chemical Co.,Ltd 		+8618530059196 sale04@alfachem.cn China 9542 58
Dayang Chem (Hangzhou) Co.,Ltd. 		+86-0571-88938639 +8617705817739 info@dycnchem.com China 52705 58
PT CHEM GROUP LIMITED 		+86-85511178; peter68@ptchemgroup.com China 35425 58
GIHI CHEMICALS CO.,LIMITED 		+86-571-86217390; +8618058761490 info@gihichemicals.com China 49968 58
Aladdin Scientific 		tp@aladdinsci.com United States 52923 58
Guangdong wengjiang Chemical Reagent Co., Ltd. 0751-2815987 13927875076 3007432263@qq.com China 9954 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30123 84
Supplier Advantage
Shanghai Daken Advanced Materials Co.,Ltd 		58
NINGBO INNO PHARMCHEM CO., LTD. 		58
Zhengzhou Alfa Chemical Co.,Ltd 		58
Dayang Chem (Hangzhou) Co.,Ltd. 		58
PT CHEM GROUP LIMITED 		58
GIHI CHEMICALS CO.,LIMITED 		58
Aladdin Scientific 		58
Guangdong wengjiang Chemical Reagent Co., Ltd. 58
J & K SCIENTIFIC LTD. 76
Alfa Aesar 84

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene pictures 2021-07-02 (+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene
136735-95-0
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd

(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Spectrum

(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE(136735-95-0)1HNMR

136735-95-0((+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE)Related Search:

(+)-1,2-BIS[(2S,5S)-2,5-DIETHYLPHOSPHOLANO]BENZENE (-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE (R)-5-fluoro-3-methylisobenzofuran-1(3H)-one (S)-5-fluoro-3-methylisobenzofuran-1(3H)-one (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYL-(3S,4S)-3,4-DIHYDROXYPHOSPHOLANO]BENZENE BIS(TRIFLUOROMETHANESULFONATE)SALT Benzene (+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE (+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene (-)-1,2-Bis[(2R,5R)-dimethylphospholano]benzene(cyclooctadiene)rhodium(I) tetrafluoroborate
(-)-1,2(2R,5R)-2,5-(DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (+)-1,2-BIS((2R,5R)-2,5-DI-I-PROPYLPHOSPHOLANO)BENZENE)1,5-CYCLOOCTADIENE)RHODIUM (I) TETRAFLUOROBORATE (+)-1,2-BIS((2S,5S)-2,5-DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TETRAFLUOROBORATE (+)-1,2-BIS((2S,5S)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(L)TETRAFLUOROBORATE 1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene monooxide
(-)-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[(2S,5S)-2,5-dimethylphospholano]benzene monooxide

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(+)-1,2-Bis((2S,5S)-2,5-diMethylphospholano)benzene (S,S)-Me-DUPHOS (+)-1,2-Bis[(2S,5S)-2,5-diMethylphospholano]benzene kanata purity (S,S)-METHYL-DUPHOS (+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene,98+%(S,S)-Me-DUPHOS (+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE (2S,2'S,5S,5'S)-2,2',5,5'-TETRAMETHYL-1,1'-(1,2-PHENYLENE)DIPHOSPHOLANE (2S,2'S,5S,5'S)-2,2',5,5'-TETRAMETHYL-1,1'-(O-PHENYLENE)DIPHOSPHOLANE (+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene,(2S,2′S,5S,5′S)-2,2′,5,5′-Tetramethyl-1,1′-(o-phenylene)diphospholane, (S,S)-Me-DUPHOS, (S,S)-Methyl-DUPHOS 1,2-Bis[(2S,5S)-2,5-diMethyl-1-phospholanyl]benzene, 97+% Phospholane, 1,1'-(1,2-phenylene)bis[2,5-dimethyl-, (2S,2'S,5S,5'S)- (2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]phenyl]-2,5-dimethylphospholane (S,S)-1,2-Bis(2,5-dimethylphospholano)benzene (+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene 1,2-Bis((2S,5S)-2,5-dimethylphospholan-1-yl)benzene , (S,S)-ME-DUPHOS (+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene (S,S)-ME-DUPHOS 1,2-Bis((2S,5S)-2,5-dimethylphospholan-1-yl)benzene 1,2-Bis[(2S,5S)-2,5-dimethyl-1-phospholanyl]benzene 136735-95-0 DuPhos/BPE Privileged Ligands Chiral Catalysts, Ligands, and Reagents Asymmetric Synthesis organophosphine ligand