Continuous Flow β‐Zeolite Mediated Regioselective Alkylation of Naphthols Using Alcohols for Peroxynaphthalen‐2(1H)‐one, Azidonaphthalen‐2(1H)‐one and Fluoronaphthalen‐2(1H)‐one
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DOI: 10.1002/ajoc.202400658
Abstract: Herein, we demonstrated continuous flow alkylation of α‐ and β‐naphthols by using various primary and secondary benzylic alcohols in the presence of environmentally benign granular β‐zeolite as a reusable catalyst. For a variety of β‐naphthols,… read more here.
Keywords: zeolite; naphthols using; peroxynaphthalen one; continuous flow ... See more keywords
Urea derivative organocatalyzed enantioselective Friedel-Crafts alkylation of α-naphthols with isatins.
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DOI: 10.1002/chir.23447
Abstract: An organocatalytic enantioselective Friedel-Crafts alkylation of α-naphthols with isatin derivatives was catalyzed by Takemoto-type urea catalyst to give optical active 3-(naphthalen-2-yl)-3-hydroxy-2-oxindoles in 75%-92% yields with up to 95% enantiomeric excess (ee) value. The catalyst type… read more here.
Keywords: crafts alkylation; alkylation naphthols; enantioselective friedel; friedel crafts ... See more keywords