121925-14-2

Upstream product

• 180678-31-3 3,4-Bis-octadecyloxy-benzoic acid methyl ester 
• 2150-43-8 3,4-dihydroxybenzoic acid methyl ester 
• 121925-30-2 benzhydryl protocatechuate 
• 7285-11-2 chloroform methanol 
• 629-93-6 n-iodooctadecane 
• 112-89-0 1-Bromooctadecane 

Downstream Products

• 180678-42-6 4-(3,4-di(octadecyloxy)benzoyloxy)benzoic acid 
• 180678-37-9 benzyl 4-(3,4-di(octadecyloxy)benzoyloxy)benzoate 

Relevant academic research and scientific papers

Rodlike metallomesogens containing nickel(II), palladium(II) and copper(II) based on novel enaminoketonato ligands

Several new enaminoketone mesogens were synthesized and coordinated to various metal salts to yield a variety of novel rodlike metal-containing liquid crystals. The mesophases were characterized by polarized optical microscopy (POM), differential scanning calorimetry (DSC) and small-angle X-ray scattering (SAXS). Whereas the free ligands display SmA and nematic mesophases, the Ni II and PdII complexes give rise to SmC and nematic phases, and the paramagnetic CuII mesogens to a narrow temperature-range nematic mesophase only. The magnetic behaviour of the latter was studied by means of EPR and magnetic susceptibility (SQUID) measurements.

Phasmidic phases in macrocyclic liquid crystals

In this article we describe the synthesis, characterisation and phase behaviour of some phasmidic liquid crystals containing the diaza 18-crown-6 macrocyclic core. Seven compounds were synthesised, five tetracatenar and two hexacatenar. The terminal alkoxy chains were varied in length from ten to eighteen carbon atoms, and the number of phenyl rings in the mesogenic units was set at either two or three. Depending on the nature of the mesogenic moiety, hexagonal columnar phasmidic and smectic phases were found to occur for these systems. The natures and structures of the columnar phases found for these systems are discussed in relation to the conformational structure of the macrocyclic core and to the overall geometry, shape and flexibility of the molecular structures.

Anthracycline derivatives having inhibitory activity against reverse transcriptase of human immunodeficiency virus

As new compounds are now provided 14-O-(3,4-disubstituted benzoyl)adriamycins which are of low cytotoxicity and exhibit a high activity inhibitory to the reverse transcriptase of human immunodeficiency virus (HIV) and which can inhibit propagation of HIV.