in water to restore the carbonyl group, yielding 1-phenylpropan-1-one.
The configuration at the carbon bearing the bromine is inverted during this step. : The acetate solvent molecule ( ) acts as an external nucleophile.
Conformational analysis requires placing the largest group perpendicular to the carbonyl carbonyl oxygen. For -2-phenylpropanal, the phenyl group is Large ( ), the methyl group is Medium ( ), and the hydrogen atom is Small ( advanced organic chemistry practice problems
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This is the Sudoku of chemistry. You are given a starting material (perhaps benzene) and a complex target (perhaps a polysubstituted aromatic ring with specific meta/para directors). in water to restore the carbonyl group, yielding
Key concepts