TY - BOOK AU - Lübbecke,H. AU - Boldt,P. TI - Quinones-VII: Halogenation and oxidative halogenation of phenols with hydrogen halides/hydrogen peroxide. Synthesis of p-chloranil and p-bromanil N1 - Artículo N2 - Chloranil 6 and bromanil 7 are prepared in very good yields from phenol or hydroquinone with concentrated hydrochloric or hydrobromic acid/30% hydrogen peroxide and magnesium chloride as catalyst. With catechol the reaction stops at the tetrachloro- or tetrabromo-o-hydroquinone (4 or 5) stage. The iodination of phenol with potassium iodide/hydrogen-peroxide in acetic acid yields 2,4,6-tri-iodophenol (3) UR - https://drive.google.com/file/d/1oDpsQcJJAiYJyXhpvWjZ1gm4TDGilCAU/view?usp=drivesdk ER -