Synthesis and properties of polypyrrole derivatives with liquid crystalline substituents
✍ Scribed by H. Hasegawa; M. Kijima; H. Shirakawa
- Book ID
- 117541300
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 224 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0379-6779
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## Abstract Some new heterocyclic liquid‐crystalline compounds incorporating a 1,3‐disubstituted allene unit were synthesised. These axial‐chiral compounds were investigated by polarisation microscopy and differential scanning calorimetry. One of them was also synthesised in enantiomerically enrich
## Abstract magnified image The treatment of 4‐hydroxypyridine with cholestery __p__‐(ω‐bromoalkyloxy)benzoates in __N,N__‐dimethylformamide containing K~2~CO~3~ gave cholestery __p__‐[ω‐(4‐pyridyloxy)alkyloxy]benzoates, which exhibited liquid crystalline properties