... Tetrahedron Letters. Volume 57, Issue 44, 2 November 2016, Pages 4939–4943. ... 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 and 51 Further observation under POM also suggested the two phase transitions of solid state-mesophase-isotropic phase and the phase transfer ...