Dokl. Akad. Nauk SSSR, 1960 Volume 131, Number 2,Pages 329–331(Mi dan39876)
CHEMISTRY
Alkylation of $4$-fluorophenol by propylene and cyclohexene in the presence of $\mathrm{BF}_3\cdot\mathrm{H}_3\mathrm{PO}_4$ and $\mathrm{BF}_3\cdot\mathrm{O}(\mathrm{C}_2\mathrm{H}_5)_2$