1. Instituto
de Quimica-Fisica
“Rocasolano”, Consejo Superior de Investigaciones Científicas (CSIC), C/Serrano 119, 28006 Madrid,
Spain
2. N.D. Zelinsky Institute
of Organic
Chemistry, Russian Academy of Sciences,
Leninsky Prospekt 47, 119991 Moscow, Russian Federation
3. Department of Chemistry, University of Reading, Whiteknights, P.O. Box 224,
Reading RG6 6AD, United Kingdom