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(2R,3R)-(+)-Bis(diphenylphosphino)butane

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(2R,3R)-(+)-Bis(diphenylphosphino)butane manufacturers
(2R,3R)-(+)-Bis(diphenylphosphino)butane Basic information
Product Name:(2R,3R)-(+)-Bis(diphenylphosphino)butane
Synonyms:(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
CAS:74839-84-2
MF:C28H28P2
MW:426.47
EINECS:
Product Categories:Chiral Phosphine;Pharmaceutical Intermediates
Mol File:74839-84-2.mol
(2R,3R)-(+)-Bis(diphenylphosphino)butane Structure
(2R,3R)-(+)-Bis(diphenylphosphino)butane Chemical Properties
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
InChI1S/C28H28P2/c1-23(29(25-15-7-3-8-16-25)26-17-9-4-10-18-26)24(2)30(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-24H,1-2H3/t23-,24-/m1/s1
InChIKeyFWXAUDSWDBGCMN-DNQXCXABSA-N
SMILESC[C@H]([C@@H](C)P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4
CAS DataBase Reference74839-84-2
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 36/37/39-26-37/39
WGK Germany 3
TSCA No
HS Code 29310099
Storage Class11 - Combustible Solids
Hazard ClassificationsEye Irrit. 2
Skin Irrit. 2
STOT SE 3
MSDS Information
ProviderLanguage
ACROS English
(2R,3R)-(+)-Bis(diphenylphosphino)butane Usage And Synthesis
Chemical Propertieswhite 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 MethodsIt 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
Tag:(2R,3R)-(+)-Bis(diphenylphosphino)butane(74839-84-2) Related Product Information
(2R,3R)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BICYCLO[2.2.1]HEPT-5-ENE (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE (+)-DIOP (-)-DIOP 1,4-Bis(diphenylphosphino)butane 1,4-Bis(diphenylphosphino)butane-palladium(II) chloride Diphenylphosphine (2R,3R)-(+)-Bis(diphenylphosphino)butane DICHLORO[1,4-BIS(DIPHENYLPHOSPHINO)BUTANE]NICKEL(II) (+)-(3R,4R)-BIS(DIPHENYLPHOSPHINO)-1-BENZYLPYRROLIDINE 1,4-Bis(diphenylphosphino)butane Monooxide [1,4-BIS(DIPHENYLPHOSPHINO)BUTANE](1,5-CYCLOOCTADIENE)RHODIUM(I) TETRA-FLUOROBORATE (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 (BICYCLO[2.2.1]HEPTA-2,5-DIENE)[1,4-BIS(DIPHENYLPHOSPHINO)BUTANE]RHODIUM(I) TETRAFLUOROBORATE (+)-(3R,4R)-Bis(diphenylphosphino)-1-benzylpyrrolidine(1,5-cyclooctadiene)rhodium (I) tetrafluoroborate (+)-2,3-O-Isopropyliden-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane CHLOROCARBONYL[1,4-BIS(DIPHENYLPHOSPHINO)BUTANE]RHODIUM (I) (-)-2,3-O-ISOPROPYLIDENE-2,3-DIHYDROXY-1 ,4-BIS(DIPHENYLPHOSPHINO)BUTANE, 9