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inquiryGood quantity (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE Basic information Product Name: (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE Synonyms: (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE;(2S,3
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inquiryProduct Name: (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE Synonyms: (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE;(2S,3S)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BUTANE;(S,S)-CHIRAPHOS;(2S,3S)-(-)-Bis(diphenylphosphino)butane,(S,S)-CHIRAPHOS;(2S 3S)-(-)-2 3-BIS(D
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inquiry(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE Chemical Properties Melting point 104-109 °C alpha D27 -211° (c = 1.5 in CHCl3) Boiling point 529.2±33.0 °C(Predicted) storage temp. Inert atmosphere,2-8°C form cryst
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inquiry(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANECASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryMolecular Formula C28H28P2 Molecular Weight 426.47 CAS Registry Number 64896-28-2 Name(2S,3S)-(-)-Bis(diphenylphosphino)bu…
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inquiry(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
triphenylphosphine
(2R,3R)-butane-2,3-diyl dimethanesulfonate
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
With sodium cyanide; tertiary butyl chloride; sodium thiocyanide; lithium; nickel(II) nitrate Yield given. Multistep reaction; |
chloro-diphenylphosphine
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) THF, hexane, -90 deg C, 1.5 h, 2. a) from -90 deg C to RT, 3 h, b) RT, 16 h View Scheme |
lithium diphenylphosphide
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) THF, hexane, -90 deg C, 1.5 h, 2. a) from -90 deg C to RT, 3 h, b) RT, 16 h View Scheme |
-2,3-butandiol di-(4-methylbenzolsulfonat)
lithium diphenylphosphide
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In tetrahydrofuran at -4 - 20℃; | |
Stage #1: -2,3-butandiol di-(4-methylbenzolsulfonat); lithium diphenylphosphide With nickel(II) perchlorate hexahydrate In tetrahydrofuran Inert atmosphere; Stage #2: With sodium thiocyanate In ethanol Inert atmosphere; Stage #3: With sodium cyanide In ethanol Inert atmosphere; |
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
With sodium cyanide In ethanol; water Inert atmosphere; | |
With sodium cyanide In ethanol; water Inert atmosphere; Heating; |
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane In toluene at 110℃; for 1h; Inert atmosphere; |
diphenylphosphineborane
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: tert-butylmagnesium chloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere; Sonication 1.2: 20 h / 20 °C / Inert atmosphere 2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 1 h / 110 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: tert-butylmagnesium chloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere; Sonication 1.2: 20 h / 20 °C / Inert atmosphere 2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 1 h / 110 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: tert-butylmagnesium chloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere; Sonication 1.2: 20 h / 20 °C / Inert atmosphere 2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 1 h / 110 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: allylmagnesium bromide / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 1.2: 20 h / 20 °C / Inert atmosphere; Sonication 2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 1 h / 110 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 1.2: 20 h / 20 °C / Inert atmosphere 2.1: 1,4-diaza-bicyclo[2.2.2]octane / toluene / 1 h / 110 °C / Inert atmosphere View Scheme |
[10-bromo-5,15-diphenylporphyrinato]-magnesium(II)
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In toluene (Ar); Schlenk technique; P ligand was added to hot (105°C) toluene; Pd compd. was added; stirred for 5 min; Ni complex was added; stirredat 105°C for 2 h; TLC monitoring; cooled to room temp.; concd. (vac.); hexane added; filtered; washed (hexane); dried (vac.); elem. anal.; | 99% |
(Pd((CH3)2NC2H4N(CH3)2)(CH3C6H4CHN(CH2C6H5)COC7H7))(1+)*CF3SO3(1-)=(Pd((CH3)2NC2H4N(CH3)2)(C7H7CHN(C7H7)COC7H7))CF3SO3
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In dichloromethane under Ar atm. soln. Pd complex and (2S,3S)-bis(diphenylphosphino)butane in CH2Cl2 was stirred for 3.5 h at r.t.; solvent was removed in vacuo, flash chromy. on silica (CH2Cl2-MeOH 19:1); elem. anal.; | 99% |
silver trifluoromethanesulfonate
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In dichloromethane (N2) to 1 equiv of Pd-complex were added 2 equiv of diphosphine and 2 equiv of CF3SO3Ag in CH2Cl2, the mixt. was stirred at 25°C for 3 h; sepd., reduced in vac.; elem. anal.; | 98% |
methylidenetricobalt nonacarbonyl
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In hexane under Ar or N2; a soln. of Co-contg. compd. (22.6E-6 mol) and a ligand (23.5E-6 mol) was heated slowly to reflux under stirring; monitoring by spot TLC (eluent: hexane-CH2Cl2 (2:1 v/v)); the compd. wasconcd. and dried under vac.; | 98% |
trans-bis(triphenylphosphino)Pt(CF3)Cl
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In toluene suspn. of Pt-complex and chiraphos was stirred for 24 h at room temp. under N2 (Schlenk flask); concd., Et2O added, ppt. was filtered off, washed with Et2O, recrystd. from CH2Cl2-Et2O; elem. anal.; | 96% |
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In dichloromethane at room temp. for 14 h; | 96% |
iodine
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In toluene under Ar atm. soln. I2 in toluene was added at 0°C to soln. Pt complex in toluene, soln. ligand in toluene was added at 0°C and stirred at room temp. overnight; | 96% |
chloro(cyclopentadienyl)bis(triphenylphosphine)ruthenium (II)
hexane
(2S,3S)-2,3-bis(diphenylphosphino)butane
toluene
Conditions | Yield |
---|---|
In toluene byproducts: PPh3; (Ar); std. Schlenk technique; soln. of Ru complex and ligand in toluene was stirred at 90°C for 16 h; cooled to room temp.; chromd. (silica gel, toluene, EtOAc); concd. (vac.); petroleum ether added; elem. anal.; | 96% |
tris(propionitrile)tricarbonylmolybdenum(0)
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In further solvent(s) (Mo(CO)3(NCEt)3) and chir were suspender in propionitrile, immersed for 5 min into ultrasonic bath and stirred for 1 h at 20°C; Et2O was added, ppt. was filtered off, washed with Et2O and dried under vac.; elem. anal.; | 95% |
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In benzene thermal reaction, C6H6, 4 h (N2); recrystd. from n-hexane-CH2Cl2; elem. anal.; | 95% |
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
Stage #1: bis(methanol)-tetra-μ-benzoato(O,O')-diruthenium(II,III) hexafluorophosphate; (2S,3S)-2,3-bis(diphenylphosphino)butane In methanol for 12h; Inert atmosphere; Reflux; Stage #2: ammonium hexafluorophosphate at -10℃; Inert atmosphere; diastereoselective reaction; | 95% |
dichloro(1,5-cyclooctadiene)platinum(ll)
(2S,3S)-2,3-bis(diphenylphosphino)butane
Conditions | Yield |
---|---|
In dichloromethane dissolving of Pt-complex and S,S-chiraphos in CH2Cl2, stirring for 30 min; addn. of MeOH, evapn. of CH2Cl2 under vac., elem. anal.; | 94% |
In dichloromethane N2-atmosphere; 20°C; |
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