Silicon-containing dicyclopentadienylmetal compounds and polymers and methods for preparing same

Claim 1

THE METHOD OF MAKING 1,1''-BIS(TRIMETHYLSILYL) DICYCLOPENTADIENYLIRON BY COMBINING, WITH CONTINUOUS STIRRING AND UNDER A NITROGEN ATMOSPHERE, 88 PARTS BY WEIGHT OF CYCLOPENTADIENYLTRIMETHYLSILANE IN DRY BENZENE OVER A PERIOD OF 30 MINUTES WITH A SOLUTION OF 70 PARTS BY WEIGHT OF FRESHLY PREPARED N-BUTYLLITHIUM IN LOW-BOILING PETROLEUM ETHER; REFLUXING THE MIXTURE FOR ONE HOUR AND THEN COOLING THE REFLUXED MIXTURE TO ROOM TEMPERATURE; ADDING TO THE REFLUXED MIXTURE 20 PARTS BY WEIGHT OF ANHYDROUS IRON(II)CHLORIDE AS A SLURRY IN BENEZE AND REFLUXING THE REACTION MIXTURE OVERNIGHT; REMOVING THE SOLVENT AND REPLACING THE SOLVENT WITH TETRAHYDROFURAN; STIRRING THE MIXTURE OVERNIGHT AT ROOM TEMPERATURE AND PRESSURE; POURING THE MIXTURE OVER CRUSHED ICE AND REMOVING THE ORGANIC SOLVENT; ADDING DIETHYL ETHER TO THE MIXTURE WITH STIRRING AND REMOVING STHE PRECIPITATE WITH FILTRATION; EXTRACTING THE AQUEOUS PHASE OF THE FILTRATE WITH ETHER; COMBINING THE ETHEREAL PHASES; WASHING WITH WATER THE ETHEREAL PHASES UNTIL THEY REACT NEUTRAL TO LITMUS; REMOVING THE ETHER; DISTILLING THROUGH A SUITABLE COLUMN THE RESIDUAL LIQUID; AND COLLECTING THE PRODUCT.