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

(2R,3R)-(+)-Bis(diphenylphosphino)butane Structure
(2R,3R)-(+)-Bis(diphenylphosphino)butane structure
CAS No.
74839-84-2
Chemical Name:
(2R,3R)-(+)-Bis(diphenylphosphino)butane
Synonyms
(R,R)-CHIRAPHOS;((2R,3R)-butane-2,3-diyl)bis(diphenylphosphane);(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)-(+)-Bis(diphenylphosphino)butane, (R,R)-CHIRAPHOS;[(2R,3R)-3-diphenylphosphanylbutan-2-yl]-diphenylphosphane
CBNumber:
CB2351836
Molecular Formula:
C28H28P2
Molecular Weight:
426.47
MDL Number:
MFCD00075403
MOL File:
74839-84-2.mol
MSDS File:
SDS
Last updated:2026-09-12 18:50:38
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(2R,3R)-(+)-Bis(diphenylphosphino)butane 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
InChI 1S/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
InChIKey FWXAUDSWDBGCMN-DNQXCXABSA-N
SMILES C[C@H]([C@@H](C)P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4
CAS DataBase Reference 74839-84-2
FDA UNII 1T086B9Q1J
UNSPSC Code 12352002
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
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 Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
1
2 0

(2R,3R)-(+)-Bis(diphenylphosphino)butane price More Price(34)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 725102 (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane 74839-84-2 250mg $106 2026-04-30 Buy
Sigma-Aldrich 725102 (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane 74839-84-2 1g $384 2026-04-30 Buy
Strem Chemicals 15-0165 (2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS 74839-84-2 250mg $95 2026-04-30 Buy
Strem Chemicals 15-0165 (2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS 74839-84-2 1g $286 2026-04-30 Buy
Strem Chemicals 15-0165 (2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS 74839-84-2 5g $1143 2026-04-30 Buy
Product number Packaging Price Buy
725102 250mg $106 Buy
725102 1g $384 Buy
15-0165 250mg $95 Buy
15-0165 1g $286 Buy
15-0165 5g $1143 Buy

(2R,3R)-(+)-Bis(diphenylphosphino)butane Chemical Properties, Uses, 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

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

Global Suppliers ( 105)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 han_yajun@dctc.daicel.com China 7909 65
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Sinocompound Catalysts Co., Ltd. 0512-67216630 67216634 sales@sinocompound.com China 252 64
Hubei Jusheng Technology Co.,Ltd 027-59599241 18871490274 1400878000@qq.com China 9506 58
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Alfa Aesar 84
Energy Chemical 61
Daicel Chiral Technologies (China)CO.,LTD 65
Thermo Fisher Scientific 75
Bide Pharmatech Ltd. 60
Sinocompound Catalysts Co., Ltd. 64
Hubei Jusheng Technology Co.,Ltd 58
Sigma-Aldrich 80

View Latest Price from (2R,3R)-(+)-Bis(diphenylphosphino)butane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(2R,3R)-(+)-Bis(diphenylphosphino)butane pictures 2026-04-02 (2R,3R)-(+)-Bis(diphenylphosphino)butane
74839-84-2
 1KG 99% 250KG XINXIANG RUNYU MATERIAL CO., LTD.
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE pictures 2019-08-08 (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE
74839-84-2
 $1.00-2.00 1KG 98% 1kg,10kg,100kg Career Henan Chemical Co

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

(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE(74839-84-2)1HNMR(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE(74839-84-2)31PNMR

74839-84-2 ((2R,3R)-(+)-Bis(diphenylphosphino)butane) Related Search:

(2R,3R)-(+)-Bis(diphenylphosphino)butane Diphenylphosphine 1,4-Bis(diphenylphosphino)butane-palladium(II) chloride (-)-DIOP 1,4-Bis(diphenylphosphino)butane
(+)-DIOP (2S,3S)-(-)-Bis(diphenylphosphino)butane (2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene (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 (+)-(3R,4R)-Bis(diphenylphosphino)-1-benzylpyrrolidine
[1,4-Bis(diphenylphosphino)butane](1,5-cyclooctadiene)rhodium(I) tetra-fluoroborate (+)-(3R,4R)-Bis(diphenylphosphino)-1-benzylpyrrolidine(1,5-cyclooctadiene)rhodium (I) tetrafluoroborate 1,4-Bis(diphenylphosphino)butane Monooxide (Bicyclo[2.2.1]hepta-2,5-diene)[1,4-bis(diphenylphosphino)butane]rhodium(I) tetrafluoroborate Dichloro[1,4-bis(diphenylphosphino)butane]nickel(II)
(+)-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

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(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% (R,R)-CHIRAPHOS, (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane ((2R,3R)-butane-2,3-diyl)bis(diphenylphosphane) (R,R)-CHIRAPHOS (2R,3R)-(+)-Bis(diphenylphosphino)butane 74839-84-2 C28H28P2 C30H43O2P Chiral Phosphine Pharmaceutical Intermediates