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Synthesis and reactivity of a tethered diene cyclopentadiene, (C5Me4H)SiMe2(CH2CH&z.dbnd6;CHCH&z.dbnd6;CH2), and its alkali metal salts
- Source :
-
Journal of Organometallic Chemistry . Dec2003, Vol. 688 Issue 1/2, p200. 6p. - Publication Year :
- 2003
-
Abstract
- (C5Me4H)SiMe2Cl reacts with (THF)KCH2CH&z.dbnd6;CHCH&z.dbnd6;CH2 to form (C5Me4H)SiMe2(CH2CH&z.dbnd6;CHCH&z.dbnd6;CH2) (1). Compound 1 reacts with KH and n-BuLi to make M(C5Me4)SiMe2(CH2CH&z.dbnd6;CHCH&z.dbnd6;CH2), M=K, 2; Li, 3, respectively. Carbon–silicon cleavage occurs when 1 reacts with K to form (C5Me4H)K, which crystallizes from dimethoxyethane as [(C5Me4H)K(DME)]x. This potassium salt has an extended structure which generates bent metallocene (C5Me4H)2K(DME) sub-structures which have 133.9° ring centroid&z.sbnd;K&z.sbnd;ring centroid angles. Compound 1 reacts with TiCl4 to make (C5Me4H)TiCl3 (5), which has a piano stool structure. [Copyright &y& Elsevier]
- Subjects :
- *TITANIUM
*POTASSIUM salts
*CRYSTALS
*SILICON
Subjects
Details
- Language :
- English
- ISSN :
- 0022328X
- Volume :
- 688
- Issue :
- 1/2
- Database :
- Academic Search Index
- Journal :
- Journal of Organometallic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 11401685
- Full Text :
- https://doi.org/10.1016/j.jorganchem.2003.09.013