Die Addition und die Additionsprodukte der Halogene und Benzenderivate. VII. Die Addition von Chlor an Penta‐ und Hexachlorbenzen

Linden, T. van der

doi:10.1002/recl.19360550707

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1940

1974

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Octadecachloroquaterphenyl (perchloroquaterphenyl) and a facile method for the preparation of decachlorobiphenyl (perchlorobiphenyl)

Wibaut¹,

Overhoff²,

Gratama³

1940

Recl. Trav. Chim. Pays‐Bas

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Octadecachloroquaterphenyl (perchloroquaterphenyl) , CzL-ICIls, is prepared by heating quaterphenyl with an excess of antimony pentachloride; it is a colorless, crystalline compound, which melts a t 364-365" and can be sublimed in a vacuum without decomposition.Decachlorobiphenyl is prepared by chlorinating pentachlorobiphenyl. which can be obtained commercially.We wished to have the compounds, mentioned in the title, at our disposal in connection with other investigations. H a r t m a n n 3 ) gives the melting point as 305.5". V a n R o o s m a I e n 4 ) prepared decachlorobiphenyl from octachlorobenzidine and gives the melting point as 310" (on the M a q u e n n e block).

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