Full multinuclear resonance analysis of 4-amino-1,1,2,2,9,9,10,10-octafluoro[2.2]paracyclophane.
The complete assignment of 19F, 1H and 13C NMR spectra for a monosubstituted octafluoro[2.2]paracyclophane derivative is described for the first time. The unambiguous assignments were achieved through the combination of 19F--1H HOESY, 1H COSY and 19F COSY techniques and then further confirmed employing a complementary approach using a Karplus-dependent 3JCF interaction. Interesting aspects of the coupling patterns for various JHH, JHF, JCF and JFF interactions are also discussed.
Roche
Alex J
AJ
Rutgers, The State University of New Jersey, Department of Chemistry, 315 Penn St, Camden, NJ 08102-1411, USA. alroche@crab.rutgers.edu
Marchione
Alexander A
AA
Rabinowitz
Sheryl A
SA