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
More
Less

(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
More
Less

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
More
Less

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.

More
Less

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
More
Less

(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

More
Less

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

Belgium 1 China 75 France 1 Germany 1 India 3 Japan 1 Russia 1 Ukraine 1 United Kingdom 2 United States 10 Global 96
Alfa Aesar
Tel
--
Fax
--
Email
tech@alfa.com
Country
India
ProdList
6905
Advantage
58
Synthesis With Catalysts Pvt. Ltd.
Tel
--
Fax
--
Country
India
ProdList
18
Advantage
58
More
Less

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
  • (2R,3R)?-?(+)?-?2,3-?Bis(diphenylphosphino)?butane (R,R)-CHIRAPHOS，97%
  • 74839-84-2
  • C28H28P2
  • C30H43O2P
  • Chiral Phosphine
  • Pharmaceutical Intermediates