Orgo 2 - Important Reagents, Reactants, Catalysts
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6 Terms
Grignard reagents
R-Mg-X
Organomagnesium compounds.
Prepared by treating organohalide (R-X) w/ Mg in ether solvent.
Very strong base (bond similar to ionic).
React with carbonyl compounds ONLY, ex: aldehydes and acid halides
Ether solvents
Solvents used to stabilize positively charged/polar intermediates. Common examples are diethyl ether and THF (tetrahydrofuran).
Organolithium
R-Li ( + Li-X)
Prepared by treating organohalide (R-X) w/ 2 equivalents of Li (creates Li-X byproduct). Nonpolar solvent used.
Very strong base (bond similar to ionic).
Nonpolar solvent
Dissolves non-polar compounds, solvent itself has no significant dipole moment (usually hydrocarbons).
Ex: hexane, diethyl ether
Gilman reagent
R2-CuLi
Weaker than Grignard reagents, used in used in carbonyl reactions.
1 eq. Gilman replaces carbonyl-X with carbonyl-R
2 eq. Grignard replaces carbonyl-X with R-2Me-OH
Note 
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