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CAS No.: | 132510-07-7 |
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Name: | Diphenylmethylidene(cyclopentadienyl)(9-fluorenyl)zirconium dichloride |
Article Data: | 2 |
Molecular Structure: | |
Formula: | C31H22 Cl2 Zr |
Molecular Weight: | 556.646 |
Synonyms: | Zirconium,dichloro[h10-2,4-cyclopentadien-1-ylidene(diphenylmethylene)-9H-fluoren-9-ylidene]-(9CI); 9H-Fluorene, 9-(1,3-cyclopentadien-1-yldiphenylmethyl)-, zirconiumcomplex; Diphenylmethylene(1-cyclopentadienyl)(9-fluorenyl)zirconiumdichloride; Diphenylmethylene(cyclopentadienyl)(9-fluorenyl)zirconiumdichloride; Diphenylmethylene(cyclopentadienyl)(fluorenyl)zirconium dichloride;Diphenylmethylene(fluorenyl)(cyclopentadienyl)zirconium dichloride;Diphenylmethylidene(cyclopentadienyl)(9-fluorenyl)zirconium dichloride;[(Diphenylmethylene)(cyclopentadienylidene)(9-fluorenylidene)]zirconiumdichloride |
PSA: | 0.00000 |
LogP: | 7.89510 |
zirconium(IV) chloride
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
Conditions | Yield |
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In petroleum ether ZrCl4 was added to Li-compound, petroleum ether was condensed at -78°C, cold bath are removed, 24 h (Ar or N2); extd. in a cellulose extn. thimble with CH2Cl2 overnight, reduced in vol., ppt. was dried in vac.; elem. anal.; | 22.1% |
zirconium(IV) chloride
9-(Cyclopenta-2,4-dienyl-diphenyl-methyl)-9H-fluorene
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
Conditions | Yield |
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With n-butyllithium In diethyl ether; hexane 2 M C4H9Li in hexane added dropwise at -78°C to soln. of (C13H9)C(C6H5)2(C5H5) (2.2 mmol) in ether, stirred overnight, ZrCl4 (2.2 mmol) added, stirred for 8 h at room temp.; evapd. to dryness, recrystd. (toluene); |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
methylmagnesium bromide
[((phenyl)2C(C5H4)(fluorenyl(1-)))Zr(methyl)2]
Conditions | Yield |
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In not given | 96% |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
[(diphenylmethylene(η5-cyclopentadienyl)(η5-9-fluorenyl))Zr(OC(OiPr)CMe2)2]
Conditions | Yield |
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In not given | 92% |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
2-methylpropylmagnesium chloride
(C6H5)2C(C5H4)(C13H8)ZrCl(C4H9)
Conditions | Yield |
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In tetrahydrofuran byproducts: MgCl2; under Ar; mixt. of solns. reacted at 0°C; warmed to room temp.; stirred for 6 h; solvent removed under vac.; washed 3 times (diethyl ether); volatiles removed under vac.; dissolved in n-hexane; filtered off; solvent removed in dried under vac.; detd. by NMR; | 10.8% |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
Ph2C(cyclopentadienyl)(fluorenyl)ZrClMe
Conditions | Yield |
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With polymethylalumoxane In toluene Zr complex and polymethylalumoxane in toluene (molar ratio Al/Zr varied from 10 to 3000); not isolated; monitored by UV-spectroscopy; |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
triisobutylaluminum
(C6H5)2C(C5H4)(C13H8)ZrCl(C4H9)
Conditions | Yield |
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In benzene-d6 byproducts: Al(C4H9)2Cl; under Ar; mixt. of solns. reacted at 20°C at various Al/Zr ratios(10 - 50); or at 80°C at Al/Zr = 10; not isolated; detd. by NMR; |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
triisobutylaluminum
Conditions | Yield |
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In benzene-d6 byproducts: PhNMe2, iso-butane, iso-butene; under Ar; mixt. of Zr-complex and Al(iso-Bu)3 solns. stirred for 30 min,heated to 60°C; soln. of (PhNMe2h)(B(C6F5)4) added; after 10 min cooled to room temp.; pptd.; ppt. washed 3 times (C6D6); |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
methylmagnesium chloride
[((phenyl)2C(C5H4)(fluorenyl(1-)))Zr(methyl)2]
Conditions | Yield |
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In tetrahydrofuran; diethyl ether in glovebox zirconocene added to flask and dissolved in diethyl ether, added by syringe soln. (THF) of CH3MgCl, attached swivel frit app., stirred at room temp. for 3 d, filtered, filtrate concd., cooled to 0°C, filtered off, dried (vac.); |