Add time:07/29/2019 Source:sciencedirect.com
The reaction of bis(lithiomethyl)dimethylsilane with dimethyldichlorosilane in diethyl ether has served in the preparation of 1,1,3,3-TETRAMETHYL-1,3-DISILACYCLOBUTANE (cas 1627-98-1) in 24% yield and 1,1,3,3-tetramethyl-1-sila-3-germacyclobutane has been prepared in 21% yield by the Barbier reaction between bis(chloromethyl)dimethylsilane, dimethyldichlorogermane and magnesium in THF.
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