Add time:07/22/2019         Source:sciencedirect.com

Phenyl(1,1-dichloroethyl)mercury has been prepared via 1,1-dichloroethyllithium and evaluated as a potential CH3CCl transfer agent. Although this mercurial reacted with triethylsilane to give Et3SiCHClCH3 (35%) and with allyltrimethylsilane to give 1-chloro-1-methyl-2-(trimethylsilylmethyl)cyclopropane (31%), its principal mode of reaction involved elimination of hydrogen chloride. The products resulting from this elimination were benzene (from HCl cleavage of PhHg bonds) and redistributed mercury compounds containing the concomitantly formed HgCClCH2 moiety. Possible reasons for this unexpected reaction are discussed.

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