Zirconocene ismerization process

Details Zirconocene ismerization process Zirconocene ismerization process

1996-11-07

1998-07-14

Nazario-Gonzalez, Porfirio

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

Organic compounds

Heavy metal containing

556 12, 556 53, 502103, 502117, 526943, C07F 1700, C07F 700

Patent

active

057806608

ABSTRACT:
An essentially anhydrous agitated mixture of (i) finely-divided essentially anhydrous alkali metal fluoride (e.g., KF), (ii) haloaromatic compound having at least one halogen atom of atomic number greater than 9 on an aromatic ring (e.g., C.sub.6 Cl.sub.6), and (iii) an aminophosphonium catalyst (e.g., (Et.sub.2 N).sub.4 PBr), is heated at a temperature at which fluorine replaces one or more of the ring halogen atom of the haloaromatic compound.

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patent: 5329033 (1994-07-01), Spaleck et al.
patent: 5455365 (1995-10-01), Winter et al.
patent: 5455366 (1995-10-01), Rohrmann et al.

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