title: Alkyl substituted [2.2]paracyclophane-1,9-dienes.
abstract: [2.2]Paracyclophane-1,9-dienes substituted with n-octyl chains have been synthesised from the corresponding dithia[3.3]paracyclophanes using a benzyne induced Stevens rearrangement. The use of 2-(trimethylsilyl)phenyl trifluoromethanesulfonate and tetra-n-butylammonium fluoride as the in situ benzyne source gave significantly improved yields over traditional sources of benzyne and enabled the preparation of n-octyl substituted [2.2]paracyclophane-1,9-dienes on a multi-gram scale.
authors.affiliation: Organic Materials Innovation Centre, School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK. Michael.Turner@Manchester.ac.uk.
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Lidster
authors.forename: Dharam R
authors.initials: DR
authors.lastname: Kumar
authors.forename: Andrew M
authors.initials: AM
authors.lastname: Spring
authors.forename: Chin-Yang
authors.initials: CY
authors.lastname: Yu
authors.forename: Madeleine
authors.initials: M
authors.lastname: Helliwell
authors.forename: James
authors.initials: J
authors.lastname: Raftery
authors.forename: Michael L
authors.initials: ML
authors.lastname: Turner