REACTIONS OF THE SCHIFF-BASES HN=CPH(2) AND PHN=CHPH WITH TITANOCENE-GENERATING AND ZIRCONOCENE-GENERATING COMPLEXES

被引:40
作者
LEFEBER, C [1 ]
ARNDT, P [1 ]
TILLACK, A [1 ]
BAUMANN, W [1 ]
KEMPE, R [1 ]
BURLAKOV, VV [1 ]
ROSENTHAL, U [1 ]
机构
[1] UNIV ROSTOCK,MAX PLANCK GESELL,KOMPLEXKATALYSE ARBEITSGRP,D-18055 ROSTOCK,GERMANY
关键词
D O I
10.1021/om00006a058
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The titanocene and zirconocene derivatives Cp(2)Ti(Me(3)SiC(2)SiMe(3)) and Cp(2)Zr(pyridine)(Me(3)SiC(2)SiMe(3)) generate under mild conditions unstable metallocenes ''Cp(2)M'' which react in situ with two molecules of the ketimine HN=CPh(2) to form metallocene amido alkylideneamido complexes Cp(2)M(NH-CHPh(2))(N=CPh(2)) (M = Ti (I), Zr (2)) by hydrogen transfer of the ketimine moieties. By C-C coupling of two aldimine molecules PhN=CHPh, ''zirconocene'' affords the cyclic diamido complex Cp(2)Zr-N(Ph)-CHPh-CHPh-N(Ph) (3). The structures of the products have been established by X-ray structure analysis.
引用
收藏
页码:3090 / 3093
页数:4
相关论文
共 18 条
[1]   REACTIONS OF ALKYL AND HYDRIDE DERIVATIVES OF PERMETHYLSCANDOCENE AND PERMETHYLZIRCONOCENE WITH NITRILES AND AMINES - CATALYTIC-HYDROGENATION OF TERT-BUTYL CYANIDE WITH PERMETHYLSCANDOCENE HYDRIDE [J].
BERCAW, JE ;
DAVIES, DL ;
WOLCZANSKI, PT .
ORGANOMETALLICS, 1986, 5 (03) :443-450
[2]   IMINE-TRANSFER REACTIONS FROM ZIRCONIUM TO PHOSPHORUS AND BORON - SYNTHESIS OF THE 1ST C-PHOSPHANYL-BORANYL, N-PHOSPHANYL-BORANYL, OR N-BORANYLIMINES [J].
BOUTONNET, F ;
DUFOUR, N ;
STRAW, T ;
IGAU, A ;
MAJORAL, JP .
ORGANOMETALLICS, 1991, 10 (11) :3939-3941
[3]   ZIRCONOCENE COMPLEXES OF IMINES - GENERAL-SYNTHESIS, STRUCTURE, REACTIVITY, AND INSITU GENERATION TO PREPARE GEOMETRICALLY PURE ALLYLIC AMINES [J].
BUCHWALD, SL ;
WATSON, BT ;
WANNAMAKER, MW ;
DEWAN, JC .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (12) :4486-4494
[4]  
Burlakov V. V., 1990, ORGANOMET CHEM USSR, V3, P237
[5]   STRUCTURE-REACTIVITY CORRELATIONS FOR THE FORMATION OF ZIRCONOCENE ETA-2-IMINE COMPLEXES FROM AMINES [J].
COLES, N ;
HARRIS, MCJ ;
WHITBY, RJ ;
BLAGG, J .
ORGANOMETALLICS, 1994, 13 (01) :190-199
[6]  
COLLIER MR, 1971, INORG NUCL CHEM LETT, V7, P6898
[7]   HYDROZIRCONATION OF NITRILES - PROOF OF A LINEAR HETEROALLENE STRUCTURE IN (BENZYLIDENEMIDO)ZIRCONOCENE CHLORIDE [J].
ERKER, G ;
FROMBERG, W ;
ATWOOD, JL ;
HUNTER, WE .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1984, 23 (01) :68-69
[8]   CP2ZR(N=CPH2)2, AN ORGANOMETALLIC HETEROALLENE-TYPE SCHIFF-BASE DERIVATIVE RELEVANT TO DESCRIBING SP2-HYBRIDIZED NITROGEN INVERSION [J].
ERKER, G ;
FROMBERG, W ;
KRUGER, C ;
RAABE, E .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1988, 110 (08) :2400-2405
[9]   HYDROZIRCONATION OF NITRILES - THE FORMATION OF MONONUCLEAR AND BINUCLEAR (ALKYLIDENE-AMIDO)ZIRCONOCENE COMPLEXES [J].
FROMBERG, W ;
ERKER, G .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1985, 280 (03) :343-354
[10]   BIS(CYCLOPENTADIENYL)ZIRCONIUM(IV) OR HALNIUM(IV) COMPOUNDS WITH SI-, GE-, SN-, N-, P-, AS-, SB-, O-, S-, SE-, TE-, OR TRANSITION METAL-CENTERED ANIONIC LIGANDS [J].
HEYHAWKINS, E .
CHEMICAL REVIEWS, 1994, 94 (06) :1661-1717