Improved synthesis of ansa-metallocene and their parent...

Details Improved synthesis of ansa-metallocene and their parent... Improved synthesis of ansa-metallocene and their parent...

C - Chemistry, Metallurgy

07

F

C07F 17/00 (2006.01)

Patent

CA 2592424

The present invention provides a method of making compounds comprising linked cyclopentadienyl and fluorenyl groups, including substituted analogs thereof, which are precursors to ansa-metallocenes comprising bridged cyclopentadienyl and fluorenyl ligands. In one aspect, this invention provides a preparative method for (5-cyclopentadienyl)[5-(2,7-di-tert-butylfluorenyl)] hex-1-ene, and ansa-metallocenes comprising this ligand.

La présente invention concerne un procédé pour fabriquer des composants comprenant des groupes cyclopentadiényle et fluorènyle, y compris leurs analogues substitués, qui sont des précurseurs des metallocènes ansa comprenant des ligands cyclopentadiényle et fluorènyle à pont. Dans un aspect, cette invention concerne un procédé de préparation de (5-cyclopentadiényl)[5-(2,7-di-tert-butylfluorényl)] hex-1-ène, et des metallocènes ansa comprenant ce ligand.

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