ChemicalBook > CAS DataBase List > (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE

(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE

Product Name
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE
CAS No.
74839-84-2
Chemical Name
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE
Synonyms
(R,R)-CHIRAPHOS;(2R,3R)-Chiraphos;(R,R)-Chiraphos,97%;2,3-Bis(diphenylphosphino)butane;(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE;(2R,3R)-Butane-2,3-diylbis(diphenylphosphine);(2R,3R)-(+)-2,3-BIS(DIPHENYL PHOSPHINO)BUTANE;((2R,3R)-butane-2,3-diyl)bis(diphenylphosphane);(2R,3R)-(+)-Bis(diphenylphosphino)butane, (R,R)-CHIRAPHOS;[(2R,3R)-3-diphenylphosphanylbutan-2-yl]-diphenylphosphane
CBNumber
CB2351836
Molecular Formula
C28H28P2
Formula Weight
426.48
MOL File
74839-84-2.mol
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(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Property

Melting point:
104-109 °C
Boiling point:
529.2±33.0 °C(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
solid
color 
white
Sensitive 
Air Sensitive
CAS DataBase Reference
74839-84-2
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
36/37/39-26-37/39
WGK Germany 
3
TSCA 
No
HS Code 
29310099
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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

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
725102
Product name
(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane
Packaging
250mg
Price
$58.14
Updated
2024/03/01
Sigma-Aldrich
Product number
725102
Product name
(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane
Packaging
1g
Price
$210
Updated
2024/03/01
Alfa Aesar
Product number
H27448
Product name
(2R,3R)-(+)-Bis(diphenylphosphino)butane, 98%
Packaging
50mg
Price
$71.65
Updated
2024/03/01
Alfa Aesar
Product number
H27448
Product name
(2R,3R)-(+)-Bis(diphenylphosphino)butane, 98%
Packaging
1g
Price
$567.65
Updated
2024/03/01
Strem Chemicals
Product number
15-0165
Product name
(2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS
Packaging
250mg
Price
$95
Updated
2024/03/01
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(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

(2R,3R)-Bis(diphenylphosphino)butane is a reagent used in the synthesis of endothelin A receptor antagonists. Also used in the synthesis of (R)-Tolterodine and (S)-Tolterodine.

Purification Methods

It recrystallises from absolute EtOH (~6g in 60mL) as colourless plates [Fryzuk & Bosnich J Am Chem Soc 99 6262 1977, Fryzuk & Bosnich J Am Chem Soc 101 3043 1979].

(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Preparation Products And Raw materials

Raw materials

Preparation Products

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(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Suppliers

Belgium 1 China 70 France 1 Germany 1 India 3 Japan 1 Russia 1 Ukraine 1 United Kingdom 2 United States 10 Global 91
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View Lastest Price from (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE manufacturers

Career Henan Chemical Co
Product
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE 74839-84-2
Price
US $1.00-2.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1kg,10kg,100kg
Release date
2019-08-07

74839-84-2, (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANERelated Search:

(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE (2R,3R)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BICYCLO[2.2.1]HEPT-5-ENE (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE (-)-DIOP 1,4-Bis(diphenylphosphino)butane (+)-DIOP 1,4-Bis(diphenylphosphino)butane-palladium(II) chloride Diphenylphosphine 1,4-Bis(diphenylphosphino)butane Monooxide DICHLORO[1,4-BIS(DIPHENYLPHOSPHINO)BUTANE]NICKEL(II) (+)-(3R,4R)-BIS(DIPHENYLPHOSPHINO)-1-BENZYLPYRROLIDINE (+)-(3R,4R)-BIS(DIPHENYLPHOSPHINO)-1-BENZYLPYRROLIDINE(1,5-CYCLOOCTADIENE)RHODIUM (I) TETRAFLUOROBORATE (2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene(1,5-cyclooctadiene)rhodium(I)tetrafluoroborate,min.97%(R,R)-NORPHOS-Rh [1,4-BIS(DIPHENYLPHOSPHINO)BUTANE](1,5-CYCLOOCTADIENE)RHODIUM(I) TETRA-FLUOROBORATE (BICYCLO[2.2.1]HEPTA-2,5-DIENE)[1,4-BIS(DIPHENYLPHOSPHINO)BUTANE]RHODIUM(I) TETRAFLUOROBORATE (+)-2,3-O-Isopropyliden-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane CHLOROCARBONYL[1,4-BIS(DIPHENYLPHOSPHINO)BUTANE]RHODIUM (I) [1,4-Bis(Diphenylphosphino)Butane]Nickel(Ii)Chloride

  • ((2R,3R)-butane-2,3-diyl)bis(diphenylphosphane)
  • (R,R)-CHIRAPHOS
  • (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE
  • (2R,3R)-(+)-2,3-BIS(DIPHENYL PHOSPHINO)BUTANE
  • (2R,3R)-(+)-Bis(diphenylphosphino)butane, (R,R)-CHIRAPHOS
  • (R,R)-Chiraphos,97%
  • (2R,3R)-(+)-Bis(diphenylphosphino)butane, 98% (R,R)-CHIRAPHOS
  • (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane (R,R)-CHIRAPHOS
  • 2,3-Bis(diphenylphosphino)butane
  • (2R,3R)-Butane-2,3-diylbis(diphenylphosphine)
  • 1,1'-[(1R,2R)-1,2-Dimethyl-1,2-ethanediyl]bis[1,1-diphenyl-phosphine
  • Phosphine, 1,1'-[(1R,2R)-1,2-dimethyl-1,2-ethanediyl]bis[1,1-diphenyl-
  • (2R,3R)?-?(+)?-?2,3-?Bis(diphenylphosphino)?butane,98%,99%ee
  • (2R,3R)-Chiraphos
  • [(2R,3R)-3-diphenylphosphanylbutan-2-yl]-diphenylphosphane
  • 74839-84-2
  • C28H28P2
  • C30H43O2P
  • Chiral Phosphine
  • Pharmaceutical Intermediates