Affiliation: | 1. Department of Chemistry, Taki Government College, Taki, North 24 Pgs, Pin-743 429, India;2. Department of Chemistry, Dr. A.P.J Abdul Kalam Govt. College, Newtown, Kolkata 700156, India;3. Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700 032, India |