1-diphenylphosphino-1'-phosphinoferrocene

Base Information

• Chemical Name: 1-diphenylphosphino-1'-phosphinoferrocene
• CAS No.: 733746-87-7
• Molecular Formula: C₂₂H₂₀FeP₂
• Molecular Weight: 402.195
• Mol file: 733746-87-7.mol

Synonyms:1-diphenylphosphino-1'-phosphinoferrocene

Chemical Property of 1-diphenylphosphino-1'-phosphinoferrocene

Chemical Property:

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Technology Process of 1-diphenylphosphino-1'-phosphinoferrocene

There total 1 articles about 1-diphenylphosphino-1'-phosphinoferrocene 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: 86.0%

lithium aluminium tetrahydride (16853-85-3) + diethyl [1'-(diphenylphosphanyl)ferrocenyl]phosphonate (733746-88-8) → 1-diphenylphosphino-1'-phosphinoferrocene (733746-87-7)

Guidance literature:

With chlorotrimethylsilane; In tetrahydrofuran; (N2); using Schlenk techniques; addn. of Me3SiCl to suspn. of LiAlH4/THFat -78°C; stirring for 20 min; stirring for 2 h at room temp.; c ooling to -30°C; addn. of (PPh2C5H4)Fe(C5H4P(OEt)2O)/THF for 30 min; stirring for 18 h at room temp.; cooling in ice-water bath; addn of H2O, aq. NaOH, Et2O; sepn. of org. layer; washing of aq. layer with Et2O; drying of combined org. component over MgSO4; concn. under reduced pressure, addn. of MeOH; cooling overnight in a freezer; elem. anal.;

DOI:10.1039/b404827j

Reference yield: 67.0%

1-diphenylphosphino-1'-phosphinoferrocene (733746-87-7) + (4S,7S)-4,7-dimethyl-1,3,2-dioxathiepane 2,2-dioxide (220224-82-8) → 1-[(2R,5R)-2,5-dimethylphospholano]-1'-diphenylphosphinoferrocene

Guidance literature:

With n-butyllithium; In tetrahydrofuran; (N2); using Schlenk techniques; addn. of n-BuLi/hexane to soln. of (PPh2C5H4)Fe(C5H4PH2) in THF via syringe; stirring for 90 min; addn. dropwisesoln. of 2,5-hexanediol cyclic sulfate in THF; stirring for 2 h; addn. of n-BuLi/hexane; stirring for 2 h; quenching with MeOH; filtration, concn., addn. of pentane, cooling in freezer overnight, pptn., filtration, removal of solvent in vac., as oil;

DOI:10.1039/b404827j

upstream raw materials:

lithium aluminium tetrahydride

diethyl [1'-(diphenylphosphanyl)ferrocenyl]phosphonate