[1] St Petersburg State Univ, Dept Chem, St Petersburg 198504, Russia
[2] Natl Taiwan Univ Sci & Technol, Dept Chem Engn, Taipei 106, Taiwan
[3] Univ Florence, Dipartimento Chim Organ, I-50019 Florence, Italy
[4] MPI Kolloid & Grenzflachenforsch, D-14424 Golm, Germany