(2S,3S)-(-)-bis(diphenylphosphino)butane radical cation

Base Information

• Chemical Name: (2S,3S)-(-)-bis(diphenylphosphino)butane radical cation
• CAS No.: 136655-43-1
• Molecular Formula: C₂₈H₂₈P₂
• Molecular Weight: 426.478
• Mol file: 136655-43-1.mol

Synonyms:

Chemical Property of (2S,3S)-(-)-bis(diphenylphosphino)butane radical cation

Chemical Property:

Purity/Quality:

Safty Information:

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Useful:

Technology Process of (2S,3S)-(-)-bis(diphenylphosphino)butane radical cation

There total 1 articles about (2S,3S)-(-)-bis(diphenylphosphino)butane radical cation which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

(2S,3S)-2,3-bis(diphenylphosphino)butane (64896-28-2) → (2S,3S)-(-)-bis(diphenylphosphino)butane radical cation (136655-43-1)

Guidance literature:

In dichloromethane; at -196.1 ℃; for 4h; Irradiation;

DOI:10.1021/j100176a042

Reference yield: 75.0%

nickel(II) chloride hexahydrate + Chiraphos, bis(diphenylphosphino)-2,3 butane (64896-28-2,74839-84-2,84562-13-0,110115-68-9,136655-43-1,151282-91-6) → [(rac-2,3-bis(diphenylphosphino)butane)NiCl2]

Guidance literature:

In ethanol; dichloromethane; (N2); Schlenk technique; soln. of Ni salt in ethanol was added to soln. of ligand in CH2Cl2; mixt. was stirred at room temp. for 1.5 h; concd.; pentane added; filtered; washed (pentane); dried under N2; elem.anal.;

DOI:10.1039/b308388h

Reference yield: 63.0%

Chiraphos, bis(diphenylphosphino)-2,3 butane (64896-28-2,74839-84-2,84562-13-0,110115-68-9,136655-43-1,151282-91-6) + palladium dichloride → Pd(rac-2,3-bis(diphenylphosphino)butane)(Cl)2

Guidance literature:

In N,N-dimethyl-formamide; (N2); using Schlenk techniques; stirring of mixt. of rac-2,3-bis(diphenylphosphino)butane (1 equiv.) and PdCl2 (1 equiv.) in DMF for 12 h; pptn., concn. under reduced pressure, addn. slowly of petroleum ether; filtration, recrystn. from CH2Cl2; elem. anal.;

DOI:10.1021/om010727b

upstream raw materials:

(2S,3S)-2,3-bis(diphenylphosphino)butane

Downstream raw materials:

{Mo₂(MeCO₂)2(2S,3S)-bis(diphenylphosphino)butane(MeCN)2}{BF₄}2

Refernces