以1,3-二乙烯基-1,1,3,3-四甲基二硅氧烷(DVS)为烯源与溴代芳烃通过Heck反应一步法合成了1,2-二苯乙烯(V-bisPh)及1,2-二苯并环丁烯基乙烯(V-bisBCB).优化了反应条件:DMF/H2O为溶剂,温度120 ℃,溴化物(R-Br)与烯源DVS的投料摩尔比为5:1,反应48 h,1,2-二苯并环丁烯基乙烯产率为45.1%,1,2-二苯乙烯产率为48.6%.
参考文献
| [1] | Wang X M,Zhou Y F,Yu W T,et al.Two-photon Pumped Lasing Stilbene-Type Chromophores Containing Various Terminal Donor Groups:Relationship Between Lasing Efficiency and Intramolecular Charge Transfer[J].J Mater Chem,2000,10(12):2698-2703. |
| [2] | Beletskaya I P,Cheprakov A V.The Heck Reaction as a Sharpening Stone of Palladium Catalysis[J].Chem Rev,2000,100(8):3009-3066. |
| [3] | DeVries R A,Schmidt G F.Process for Preparing Vinylically-Unsaturated Compounds(Ⅱ).EP 0506314[P],1992. |
| [4] | Schrock A K.Polyorganosiloxane-Bridged Bisbenzocyclobutene Monomers.US 4812588[P],1989. |
| [5] | De Vries J G.The Heck Reaction in the Production of fine Chemicals[J].Can J Chem,2001,79(5/6):1086-1092. |
| [6] | Lloyd J B F,Ongley P A.The Electrophilic Substitution of Benzocyclobutene-Ⅱ:Benzoylation,Sulphonation,Bromination and Chlorination[J].Tetrahedron,1965,21(3):245-254. |
| [7] | Seus E J,Wilson C V.New Synthesis of Stilbene and Heterocyclic Stilbene Analogs[J].J Org Chem,1961,26(12):5243-5244. |
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