1: With AlCl3, aluminium chloride T=24 - 55°C; 2.16667 h; 2: With hydrogenchloride; water T=45°C; 3: With anhydrous iron chloride; water T=50 - 60°C; 1.63333 h;
Booth, Brian L.; El-Fekky, Teymour A.; Noori, Ghazi F. M.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 181 - 186