Stereospecific Synthesis of 2,3-Dihydro-2-metallaphenalenes, meso- , via an Unstable Dilithium Reagent, 2> (tmeda = tetramethylethylenediamine), which is converted into the Complex containing a Silicon Heterocycl...

Article abstract of DOI:10.1039/c39820001023

In situ Grignard reactions of 1,8-(ClCH2)2C10H6 have yielded 2,3-dihydro-2,2-dimethyl-2-silaphenalene, which can be selectively monolithiated at the 1-position, and 1,8-(Me3SiCH2)2C10H6, a compound readily dilithiated and subsequently converted into the zirconium and hafnium metallacycles, meso-; the dilithium complex is converted into the complex containing a silicon heterocycle dicarbanion and characterized as the substituted silaphenalene, the same product as the ClSiMe3 adduct of mono-lithiated silaphenalene.

Full text of DOI:10.1039/c39820001023

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