Scheme 1 Synthesis of the target compound 1. Key: (i) Br(CH 2 ) 11 OH, K 2 CO 3 , KI, butanone, reflux for16 h; (ii) AcCl, C 5 H 5 N, CH 2 Cl 2 , room temperature for 20 h; (iii) 4, FeCl 3 , CH 2 Cl 2 , room temperature for 20 h; (iv) precipitation and stirring in cold MeOH for 2 h; (v) pTSA, EtOH, reflux for 16 h; (vi) aq. KOH, EtOH/THF, reflux for 2 h; (vii) 7, DCC, DMAP, pTSA, CH 2 Cl 2 , room temperature for 5 d. ... The liquid crystalline properties of 1, 7 ...
