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(PBr3) [7789-60-8] Br3P (MW 270.67) InChI = 1S/Br3P/c1-4(2)3 InChIKey = IPNPIHIZVLFAFP-UHFFFAOYSA-N (Cu2Br2) [7787-70-4] Br2Cu2 (MW 286.90) InChI = 1S/2BrH.2Cu/h2*1H;;/q;;2*+1/p-2 InChIKey = OFOWYKFLGFHYJJ-UHFFFAOYSA-L (Zn) [7440-66-6] Zn (MW 65.39) InChI = 1S/Zn InChIKey = HCHKCACWOHOZIP-UHFFFAOYSA-N (conversion of enediols into 1,3-dienes) Physical Data: see entries for Phosphorus(III) Bromide, Copper(I) Bromide, and Zinc.

(POCl3) [10025-87-3] Cl3OP (MW 153.32) InChI = 1S/Cl3OP/c1-5(2,3)4 InChIKey = XHXFXVLFKHQFAL-UHFFFAOYSA-N (ZnCl2) [7646-85-7] Cl2Zn (MW 136.29) InChI = 1S/2ClH.Zn/h2*1H;/q;;+2/p-2 InChIKey = JIAARYAFYJHUJI-UHFFFAOYSA-L (powerful Lewis Acid used in Friedel–Crafts reactions to prepare xanthones,1 benzophenones,2 coumarins,3 and chromanones;4 phosphorylation of alcohols5) Physical Data: see entries for Phosphorus Oxychloride and Zinc Chloride. Handling, Storage, and Precautions: in most cases, freshly fused ZnCl2 must be used for the best results. See Phosphorus Oxychloride for potential hazards.