... tional to the number of methylene groups in the connecting chain of the molecule (m = 2-4, 6, 7) for derivatives with R = H and 4-Cl ... Molecules 2000, 5 ... p. values from literature: Compound, value (°C) [ref.]: 1, 209 [8]; 2, 133 [8]; 3, 359 [9]; 4, 321-322 [10]; 5, 284 [11]; 7, 230,5 [12]; 8 ...