THE STRUCTURE OF THE DICYANOACETYLENE ADDUCTS OF [2.2]PARACYCLOPHANE

Authors
HOPF H WITULSKI B JONES PG SCHOMBURG D
Citation
H. Hopf et al., THE STRUCTURE OF THE DICYANOACETYLENE ADDUCTS OF [2.2]PARACYCLOPHANE, Liebigs Annalen, (4), 1995, pp. 609-612
Citations number
9
Categorie Soggetti
Chemistry
Journal title
Liebigs Annalen → ACNP
ISSN journal
09473440
Issue
4
Year of publication
1995
Pages
609 - 612
Database
ISI
SICI code
0947-3440(1995):4<609:TSOTDA>2.0.ZU;2-K
Abstract
The structures of the 1:1 and 1:2 addition products of dicyanoacetylen e (2) to [2.2]paracyclophane (1) have been determined by X-ray structu ral analysis as 3 and 5, respectively. In contrast to literature repor ts, the latter possesses the ''crossed'' double barrelene configuratio n. On irradiation 3 isomerizes to the semibullvalenophane 4 as was als o shown by X-ray structural analysis.