A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 41468-25-1, Name is (4-Formyl-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate hydrate, molecular formula is C8H12NO7P. In an article, author is Pan, Hongbing,once mentioned of 41468-25-1, Formula: C8H12NO7P.
Hierarchical nanostructures of a liquid crystalline block copolymer with a hydrogen-bonded calamitic mesogen
With a pyridine derivative containing a calamitic mesogen 4-((6-((4′-((4-hexylphenyl)ethynyl)-[1,1′-biphenyl]-4-yl)oxy)hexyl)oxy)pyridine (HEBC6) used as the hydrogen-bonding acceptor and polydimethylsiloxane-b-poly (2,5-bis(4-carboxy phenyl)styrene) (PDMS-b-PM3H) as the hydrogen-bonding donor, a series of supramolecular liquid crystalline block copolymers (SLCBCPs) were prepared through hydrogen bonding. In the supramolecular block, the calamitic mesogen was decoupled from the motion of PM3H chains by using a flexible spacer. Different microphase-separated nanostructures and liquid crystalline (LC) structures were obtained by varying the degree of polymerization of the PM3H block and the molar ratio of HEBC6 to PDMS-b-PM3H. The SLCBCPs can self-assemble into hexagonally packed cylinders (HEX), lamellae (LAM), and inverted HEX. Smectic A phase and parallel packing of the calamitic mesogens were also observed on a smaller length scale, and these two ordered structures are synergistic and promotional. Therefore, hierarchically ordered structures can be obtained from these SLCBCPs.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem