A Ru(II)-catalyzed coupling of various α-carbonyl phosphoniums with sulfoxoniumylides has been realized for the facile synthesis of 1-naphthols in good to excellent yields. This oxidant-free transformation proceeds through Ru-catalyzed C–H activation of phosphoniums, Ru-carbene insertion, and intramolecular Wittig reaction processes.
Cu‐catalyzed synthesis of 1‐naphthols with terminal alkynes and 2‐bromoaryl ketones
作者:Peng Ma、Yuhang Wang、Jianhui Wang
DOI:10.1002/aoc.6792
日期:2022.9
A Cu-catalyzed straightforward synthesis of 1-naphthols via an 6-endo-dig cyclization of terminalalkynes 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.