Bromination Products of 2‐Substituted 5,7‐Dimethoxy‐4‐Naphthols

Abstract

Bromination in acetic acid is favored at C‐8 in 5,7‐dimethoxy‐4‐naphthol when the C‐2 substituent is methyl carboxylate, whereas C‐1 is favored when the C‐2 substituent is either acetoxymethylene or methyl.

Keywords:

• 2‐Acetoxymethyl‐5,7‐dimethoxy‐4‐naphthol
• brominations
• 5,7‐dimethoxy‐2‐methyl‐4‐napthol
• methyl 5,7‐dimethoxy‐4‐hydroxy‐2‐naphthoate

Acknowledgments

The authors thank the National Research Foundation and the University of the Western Cape for financial assistance.