Abstract
A Cu‐catalyzed straightforward synthesis of 1‐naphthols via an 6‐endo‐dig cyclization of terminal alkynes with 2‐bromoaryl ketones in water is reported. The Cu(I) catalytic system tolerates various electron‐withdrawing and electron‐donating functional groups on both substrates and exhibits unique 6‐endo‐dig selectivity to give 1‐naphthols in moderate to good yields.
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