(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE

CAS No.：136705-64-1

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
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(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE Basic information

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Product Name:	(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE
Synonyms:	(2R,2'R,5R,5'R)-2,2'-5,5'-TETRAETHYL-1,1'-(O-PHENYLENE)DIPHOSPHOLANE;(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE;(R,R)-ETHYL-DUPHOS;(R,R)-ET-DUPHOS;(-)-1,2-Bis[(2R,5R)-2,5-diethylphospholano]benzene, Kanata purity;(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(r,r)-et-duphos;(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene,98+%(R,R)-Et-DUPHOS;(R,R)-Ethyl-DUPHOS, (2R,2μR,5R,5μR)-2,2μ-5,5μ-Tetraethyl-1,1μ-(o-phenylene)diphospholane
CAS:	136705-64-1
MF:	C22H36P2
MW:	362.47
EINECS:
Product Categories:	organophosphine ligand
Mol File:	136705-64-1.mol

(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE Chemical Properties

alpha	D25 -265° (c = 1 in hexane)
Boiling point	bp0.045 138-145°
density	1.01 g/mL at 25 °C
refractive index	n 20/D 1.6
Fp	>230 °F
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
Sensitive	Air Sensitive
Merck	13,3499
BRN	4814174

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
F	1-10
HS Code	29310099

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English

(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE Usage And Synthesis

Reactions	Ligand used in rhodium catalyzed asymmetric hydrogenation of 2-methylenesuccinamic acid. Cobalt-catalyzed asymmetric hydrogenation.
Chemical Properties	Clear colorless liquid or low melting solid
Uses	Catalyst for asymmetric hydrogenations.
Uses	DuPhos and BPE Ligands: Highly Efficient Privileged Ligands

(-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE Preparation Products And Raw materials

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