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Aluminum chloride , or aluminum trichloride , is an ionic covalent compound
1.
(1) The molar amount of aluminum chloride must be the same as the reactant
(2) Aluminum chloride is used as a strong Lewis acid in Friedel-Crafts reactions, and the reaction solvent is mostly tetrahydrofuran
(3) Aluminum chloride is strongly corrosive and irritates the skin and mucous membranes
2.
(1) Feeding sequence: usually anhydrous tetrahydrofuran is used as the reaction solvent
(2) was dissolved in tetrahydrofuran would smoke when anhydrous aluminum chloride, or even a large number of white fog, which is due to excessive moisture tetrahydrofuran, aluminum chloride generated hydrogen chloride sake
(3) After the reaction, it is safer to slowly pour the reaction solution into the quenching solution under stirring