‘Organic metals.’ Synthesis of a new type of organic metal derived from polyacetylene, (CH)x

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Abstract
When ca. 85%cis films of the semiconducting polymer, polyacetylene, (CH)x, are doped with bromine to compositions such as [CHBry]x(y=ca. 0·15–0·35) and then partly dehydrobrominated at 150°C, they yield new semi-conducting polymers such as [CH0·85Br0·11]x which can then be doped with I2 or AsF5 to yield new highly conducting organic metals such as [CH0·89Br0·09I0·12]x and [CH0·82Br0·13(AsF5)0·12]x, respectively.