Preparation and characterization of bifunctional reverse-mode polymer-dispersed liquid crystals was written by De Filpo, Giovanni;Formoso, Patrizia;Manfredi, Sabrina;Mashin, Alexander I.;Nicoletta, Fiore P.. And the article was included in Liquid Crystals in 2017.Formula: C27H29N3O This article mentions the following:
Reverse-mode polymer-dispersed liquid crystals (PDLCs) are transparent films in their OFF state (no applied elec. field) and become opaque in their ON state. The addition of a photo-chromic compound allows a color change of films, when they are UV-irradiated. The aim of this work was the preparation and characterization of bifunctional materials, able to change their transparency by application of an elec. field and color under UV irradiation In particular, the performance of reverse-mode PDLCs doped with different spiro(indolo)-oxazine mols. was investigated. Both the electro-optical and photo-chromic response of these systems were evaluated and compared. In the experiment, the researchers used many compounds, for example, 1,3,3-Trimethyl-6′-(piperidin-1-yl)spiro[indoline-2,3′-naphtho[2,1-b][1,4]oxazine] (cas: 114747-45-4Formula: C27H29N3O).
1,3,3-Trimethyl-6′-(piperidin-1-yl)spiro[indoline-2,3′-naphtho[2,1-b][1,4]oxazine] (cas: 114747-45-4) belongs to piperidine derivatives. The piperidine moiety constitutes an important building block for the synthesis of a variety of bioactive natural products, alkaloids and other drugs. Piperidine prefers a chair conformation, similar to cyclohexane. Unlike cyclohexane, piperidine has two distinguishable chair conformations: one with the N鈥揌 bond in an axial position, and the other in an equatorial position.Formula: C27H29N3O
Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem