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Preparation du [2.1.2.1] paracyclophane

✍ Scribed by C. Sergheraert; P. Marcincal; E. Cuingnet

Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
109 KB
Volume
18
Category
Article
ISSN
0040-4039

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A new and convenient synthesis of octafluoro[2,2]paracyclophane and dodeca-fluoro[2,2]paracyclophane is reported. It is accomplished by treatment of 1,4-bis(halodifluoromethyl)benzene with PbBr 2 /Al in DMF at room temperature via the cyclocoupling of the reactive intermediate a,a,a%a%-tetrafluoro-p