CARBANION MECHANISMS .18. GENERATION OF SILYL ANIONS BY NUCLEOPHILIC CLEAVAGE OF DISILANES

被引:31
作者
BUNCEL, E [1 ]
VENKATACHALAM, TK [1 ]
EDLUND, U [1 ]
机构
[1] UMEA UNIV,DEPT ORGAN CHEM,S-90187 UMEA,SWEDEN
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1016/0022-328X(92)83433-I
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Organosilyl potassium compounds are conveniently generated by cleavage of hexaorganodisilanes with potassium t-butoxide in common solvents other than HMPA (i.e. in THF or DME). Nucleophilic attack on unsymmetrical disilanes results in formation of the more stable silyl anion, i.e. the one with the most phenyl groups bonded to silicon.
引用
收藏
页码:85 / 89
页数:5
相关论文
共 26 条
[1]  
AGER DJ, 1981, J CHEM SOC P1, P2550
[2]   CARBANION MECHANISMS .4. HYDROGENOLYSIS OF ORGANOMETALLICS AND ACIDITY OF HYDROGEN [J].
BUNCEL, E ;
MENON, BC .
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1976, 54 (24) :3949-3954
[3]   NMR-STUDIES OF PHENYL-SUBSTITUTED GROUP-4 ANIONS - ION-PAIRING AND CHARGE DELOCALIZATION VS PI-POLARIZATION EFFECTS [J].
BUNCEL, E ;
VENKATACHALAM, TK ;
EDLUND, U ;
ELIASSON, B .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1984, (22) :1476-1477
[4]   CARBANION MECHANISMS .15. CONCERNING THE SI-LI BONDING IN PHENYLSILYLLITHIUMS AS STUDIED BY VARIABLE TEMPERATURE LI-7 NUCLEAR-MAGNETIC-RESONANCE [J].
BUNCEL, E ;
VENKATACHALAM, TK .
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1986, 64 (08) :1674-1676
[5]  
BUNCEL E, 1985, J AM CHEM SOC, V107, P306
[6]  
Colvin E. W., 1981, SILICON ORGANIC SYNT
[7]  
COLVIN EW, 1988, BEST SYNTHETIC METHO
[8]   ALKALI-METAL HYDRIDES - NEW METALLATING REAGENTS FOR GERMANIUM AND TIN [J].
CORRIU, RJP ;
GUERIN, C .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1980, 197 (03) :C19-C21
[9]  
CORRIU RJP, 1985, B SOC CHIM FR, P973
[10]  
DAVIS DD, 1970, ORGANOMET CHEM REV A, V6, P283