(R)-DTBM-SEGPHOS

(R)-DTBM-SEGPHOS
  • CAS No.:566940-03-2
Other grades of this product :
(R)-DTBM-SEGPHOS Basic information
Reaction
Product Name:(R)-DTBM-SEGPHOS
Synonyms:(R)-(-)-5,5'-Bis[di(3,5-di-t-butyl-4-methoxyphenyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DTBM-SEGPHOS;(R)-DTBM-SEGPHOS(R);[(4R)-(4,4μ-bi-1,3-benzodioxole)-5,5μ-diyl]bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphine], (R)-(-)-5,5μ-Bis[di(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-4,4μ-bi-1,3-benzodioxole;(R)-(-)-5,5'-Bis[di(3,5-di-t-butyl-4-Methoxyphenyl)phosphino]-4,4'-bi-1,3-benzodioxole;(4R)-[4,4'-Bi-1,3-benzodioxole]-5,5'-diylbis[bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]phosphine;(R)-()-5,5′-Bis[di(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-4,4′-bi-1,3-benzodioxole;(R)-DTBM-SEGPHOS;[(4R)-(4,4′-bi-1,3-benzodioxole)-5,5′-diyl]bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphine]
CAS:566940-03-2
MF:C74H100O8P2
MW:1179.55
EINECS:
Product Categories:Segphos Series;Chiral Phosphine
Mol File:566940-03-2.mol
(R)-DTBM-SEGPHOS Chemical Properties
Melting point 126-128°C
Boiling point 987.3±65.0 °C(Predicted)
form Powder
color off-white
Safety Information
WGK Germany 3
MSDS Information
(R)-DTBM-SEGPHOS Usage And Synthesis
Reaction
  1. Rhodium catalyzed chemo-, regio, and entantioselective [2 + 2 + 2] cycloaddition of alkynes with isocyanates.
  2. With copper, enantioselective cross Aldol-type reaction of acetonitrile.
  3. With copper, enantioselective vinylsilane alkenylation of aldehydes.
  4. Gold carbene mediated stereoselective cyclopropanation of propargyl esters.
  5. With copper, enantioselective 1,2-reduction of ketones, and 1,4-reduction of a α,β-usaturated esters.
  6. With copper, catalytic enantioselective Mannich-type reaction.
  7. Enantioselective fluorination of b β-keto esters, tert-butoxycarbonyl lactones and lactmes with Sodeoka's Pd-aqua complex and a fluorinating reagent.
  8. Rh-catalyzed intramolecular olefin or carbonyl hydroacylation.
  9. Pd-catalyzed γ-arylation of β,γ-unsaturated ketones.
  10. Involved in numerous conjugate alkynylation, and ring-opening alkynylation of azabenzonorbornadienes.
  11. Involved in asymmetric hydroamination of bicyclic alkenes/dienes,13a diamination of conjugated dienes,13b and hydroalkoxylation/hydrosulfenylation of allenes.
The actions in the following figures are corresponding to the above ones in sequence.
UsesCatalyst involved in:
  • [3,3]-Sigmatropic rearrangements using cyclopropane probes
  • Asymmetric intramolecular hydroacylation of ketoaldehydes
Reactant involved in:
  • The synthesis of gold-diphosphine complexes for use as catalysts
  • Cycloaddition of allenenes to yield alkylidenecyclobutanes
(R)-DTBM-SEGPHOS Preparation Products And Raw materials

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