Application In Synthesis of 8-Bromooctanoic acidIn 2021 ,《Twist-Bend Nematic Glasses: The Synthesis and Characterisation of Pyrene-based Nonsymmetric Dimers》 appeared in ChemPhysChem. The author of the article were Walker, Rebecca; Majewska, Magdalena; Pociecha, Damian; Makal, Anna; Storey, John MD; Gorecka, Ewa; Imrie, Corrie T.. The article conveys some information:
A selection of pyrene-based liquid crystal dimers I [n = 5, 6, 8, etc.] , II [n = 5, 6, 11, etc.] and III were prepared, containing either methylene-ether or diether linked spacers of varying length and parity. All the diether linked materials, II, exhibited conventional nematic and smectic A phases, with the exception of II [n = 11] which was exclusively nematic. The methylene-ether linked dimer, I with an even-membered spacer (n=5) was solely nematogenic, but odd-members (n=6, 8, 10) exhibited both nematic and twist-bend nematic phases. Replacement of the cyanobiphenyl fragment by cyanoterphenyl giving III, gave elevated melting and nematic-isotropic transition temperatures, and SmA and SmCA phases were observed on cooling the nematic phase. Intermol. face-to-face associations of the pyrene moieties drove glass formation, and all these materials had a glass transition temperature at or above room temperature The stability of the glassy twist-bend nematic phase allowed for its study using AFM, and the helical pitch length, PTB, was measured as 6.3 and 6.7 nm for I [n = 6, 8] , resp. These values were comparable to the shortest pitch of a twist-bend nematic phase measured to date. The experimental part of the paper was very detailed, including the reaction process of 8-Bromooctanoic acid(cas: 17696-11-6Application In Synthesis of 8-Bromooctanoic acid)
8-Bromooctanoic acid(cas: 17696-11-6) acid is used in the synthesis of 8-(N-Methyl-4,4′-bipyridinyl)- octanoic acid. 8-Mercaptooctanoic acid was prepared from 8-bromooctanoic acid. And 8-Bromooctanoic Acid is a useful compound for sonodynamic therapy.Application In Synthesis of 8-Bromooctanoic acid
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary