why cyclic ethers are not good solvents for Grignard reagent??
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Step-by-step explanation:
Ether has no acidic protons, so Grignard reagents are stable in ether. The MgX bond in a Grignard reagent is ionic: R-Mg+X− . Hence, it is difficult to form a Grignard reagent in a nonpolar solvent. The C-O bond in an ether is quite polar, and the oxygen of the dipole can solvate and stabilize the R-Mg+ ion
Answered by
2
Answer:
Ether has no acidic protons, so Grignard reagents are stable in ether. The MgX bond in a Grignard reagent is ionic: R-Mg+X− . Hence, it is difficult to form a Grignard reagent in a nonpolar solvent. The C-O bond in an ether is quite polar, and the oxygen of the dipole can solvate and stabilize the R-Mg+ ion.
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