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MF： C3H7 Cl2 Mg . Li
|Isopropylmagnesium chloride lithium chloride complex, often referred to as i-PrMgCl•LiCl, is derived from isopropylmagnesium chloride (i-PrMgCl) and lithium chloride (LiCl).|
|Isopropylmagnesium chloride lithium chloride complex is commonly used in organic chemistry as a source of nucleophilic alkyl groups.|
Solutions of di-t-butylmagnesium have been prepared by the dioxan precipitation method, and from them several dibutylmagnesium complexes have been obtained. These include But2Mg–dioxan, which is insoluble in toluene and soluble in ether, the bistetrahydrofuran complex which is partly dissociated in benzene, and the tetramethylethylenediamine complex.
In our previous study, we have found that the 1,2-rearrangement, called a Fritsch–Buttenberg–Wiechell (FBW) rearrangement , of magnesium alkylidene carbenoids 2 generated from 2,2-disubstituted sulfoxides 1 and isopropylmagnesium chloride gives internal alkynes 3 .