Tetrafluoro- and Octafluoro[4.2]paracyclophanes
- 15 May 1975
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 53 (10) , 1491-1495
- https://doi.org/10.1139/v75-207
Abstract
Synthetic sequences for the preparation of 6,7,9,10,14,15,17,18-octafluoro[4.2]paracyclophane (1) and 6,7,9,10-tetrafluoro[4.2]paracyclophane (2) are outlined. The u.v. absorption of compound 1 is hypsochromically shifted more than 20 nm from the long wavelength band (286–291 nm) characteristic of the [2.2]paracyclophanes.Keywords
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