1,2-BIS(DIPHENYLPHOSPHINOMETHYL)BENZENE synthesis
- Product Name:1,2-BIS(DIPHENYLPHOSPHINOMETHYL)BENZENE
- CAS Number:62144-65-4
- Molecular formula:C32H28P2
- Molecular Weight:474.51
Yield: 62%
Reaction Conditions:
Stage #1:Diphenylphosphine oxide with copper(II) trifluoromethanesulfonate;1,1,3,3-Tetramethyldisiloxane in toluene at 100; for 9 h;Inert atmosphere;
Stage #2: with cesiumhydroxide monohydrate in N,N-dimethyl-formamide;toluene at 20; for 1 h;Inert atmosphere;Molecular sieve;
Stage #3:α,α'-dibromo-o-xylene in N,N-dimethyl-formamide;toluene at 100; for 24 h;Inert atmosphere;Molecular sieve;
References:
Li, Yuehui;Das, Shoubhik;Zhou, Shaolin;Junge, Kathrin;Beller, Matthias [Journal of the American Chemical Society,2012,vol. 134,# 23,p. 9727 - 9732] Location in patent:supporting information; experimental part
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