Asymmetrically substituted metallocenes which are functionalized

Details Asymmetrically substituted metallocenes which are functionalized Asymmetrically substituted metallocenes which are functionalized

1996-07-25

1997-04-08

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C07F 708, C07F 716, C07F 1700

Patent

active

056189567

ABSTRACT:
The invention relates to compounds of the general formula (1)

REFERENCES:
patent: 5103030 (1992-07-01), Rohrmann et al.
Churakov, Andrew V., "Synthesis of sandwich and half-sandwich complexes of Ti, Zr and Hf containing .eta..sup.5 -C.sub.5 H.sub.4 SiMe.sub.2 Cl ligand", Journal of Organometallic Chemistry, 1995 pp. C81-C83.
Renault, P. "Chlorures de mono-et dialkyl-zirconocene et-hafnocene", Journal of Organometallic Chemistry, 1978 pp. 35-42.
Renaut, P. "Cyclopentadienylhafnium trichloride, its synthesis and use to prepare a chiral hafnium compound", Jouranl of Organometallic Chemistry, 1977 pp. C35-C36.
Schore, Neil E. "Synthesis of (C.sub.6 H.sub.5).sub.2 PCH.sub.2 Si(CH.sub.3).sub.2 C.sub.5 H.sub.4 Li", Journal of the American Chemical Society, 1979, pp. 7410-7412.
Spaleck, Von W. "Hochmolekulares polypropylen durch ma.beta.gescheniderte Zirconocenkatalysatoren", Angrew. Chem., 1992, pp. 1373-1376.
Sinn, Von H. "Lebende polymere bei Ziegler-katalysatoren extremer produktivitat", Angrew. Chem., 1980, pp. 396-402.
Wolfgang, Von A. "Erstes Beispiel eines ethyleneselektiven I oslichen Ziegler-Katalysators der Zirconocen-Klasse" Angrew. Chem., 1989, pp. 1536-1538.

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