Reactions of zinc dialkyls with (perfluorophenyl)boron compounds:: Alkylzinc cation formation vs C6F5 transfer

被引：91

作者：

Walker, DA

Woodman, TJ

Hughes, DL

Bochmann, M ^{[1
]}

机构：

[1] Univ E Anglia, Sch Chem Sci, Wolfson Mat & Catalysis Ctr, Norwich NR4 7TJ, Norfolk, England

[2] John Innes Ctr Plant Sci Res, Dept Biol Chem, Norwich NR4 7UH, Norfolk, England

来源：

ORGANOMETALLICS | 2001年 / 20卷 / 17期

关键词：

D O I：

10.1021/om0103557

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction between ZnR2 and [H(OEt2)(2)] [B(C6F5)(4)] in ether leads to the salts [RZn(OEt2)(3)]-[B(C6F5)(4)], while mixtures of ZnR2 (R = Me, Et) and B(C6F5)(3) in toluene-d(8) undergo facile alkyl/C6F5 group exchange to give Zn(C6F5)(2). (toluene). Mixtures of ZnR2 and B(C6F5)(3) in hydrocarbon/diethyl ether solvent mixtures react with alkyl transfer to afford the ion pairs [RZn(OEt2)(3)] [RB(C6F5)(3)], whereas the reaction of ZnEt2 with [Ph3C] [B(C6F5)(4)] in toluene-d(8) proceeds with beta -H abstraction to give ethene and Ph3CH, with the subsequent rapid formation of Zn(C6F5)(2).

引用

页码：3772 / 3776

页数：5

共 51 条

[1] DINITROGEN COMPLEXES OF TUNGSTEN WITH BULKY PHOSPHINE CO-LIGANDS - PREPARATION AND CRYSTAL-STRUCTURES OF [(W(N2)2(PET2PH)3)2(MU-N2)], TRANS-[W(N2)2(PET2PH)4].C4H8O, AND "[W(ETA-6-C6H5PPRN2)(N-2)(PPRN2PH)2] AND THEIR REACTIONS TO GIVE HYDRAZINE OR AMMONIA [J].