Dolbier HW Solutions 589

Dolbier HW Solutions 589 - 683 PHENOLS (g) The reaction as...

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The reaction as written conforms to the requirements of the problem that a balanced equation be written. Of course, the reaction will be much faster if catalyzed by acid or base, but the cat- alysts do not enter into the equation representing the overall process. ( g ) Bromination of the aromatic ring of 2,6-dichlorophenol occurs para to the hydroxy group. The more activating group ( G OH) determines the orientation of the product. ( h ) In aqueous solution bromination occurs at all the open positions that are ortho and para to the hydroxyl group. ( i ) Hydrogen bromide cleaves ethers to give an alkyl halide and a phenol. 24.14 ( a ) Strongly electron-withdrawing groups, particularly those such as G NO 2 , increase the acidity
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