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Regiodirected substitution of [2.2]paracyclophanedienes and [2.2]paracyclophanes through tricarbonylchronium complexation

✍ Scribed by Michael Stöbbe; Oliver Reiser; Thies Thiemann; Rhys G Daniels; Armin de Meijere

Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
273 KB
Volume
27
Category
Article
ISSN
0040-4039

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## Abstract The title compounds 8 and 1 have been synthesized in three steps each from 1,2‐dibromo[2.2]paracyclophan‐1‐ene (2) and 1,2,9,10‐tetrabromo[2.2]paracyclophane‐1,9‐diene (4), respectively. Copper‐mediated coupling of vinyl bromides 2 and 4 with methyl‐ and phenylmagnesium bromide gives su