Effect of Lateral Substitution on the Electronics and Phase Transitions of Stilbazoles, Benzoic Acids, Phenols, and Hydrogen Bonded Mixtures

Table 1

Noncentrosymmetric main chain hydrogen bonded polymers without lateral substituents. See Scheme 1.

Polymer	X		Y	Z	m.p. (°C)
1	C	6	CO2H	H	279
2	C	10	CO2H	H	244
3	C	6	H	CO2H	263
4	C	10	H	CO2H	186
5	N	6	CO2H	H	237
6	N	10	CO2H	H	196
7	N	6	H	CO2H	205
8	N	10	H	CO2H	155

Compound has an enantiotropic smectic A liquid crystalline phase at 220°C.