An article Synthesis, Resolution, Configurational Stability, and Properties of Cationic Functionalized [5]Helicenes WOS:000574920600030 published article about ONE HUNDRED YEARS; CHIROPTICAL PROPERTIES; CHROMATOGRAPHIC RESOLUTION; STEREOSELECTIVE SYNTHESES; OPTICAL-PROPERTIES; HELICENE; DYES; ELECTROCHEMILUMINESCENCE; DERIVATIVES in [Marinova, Maya; Pascal, Simon; Lacour, Jerome] Univ Geneva, Dept Organ Chem, CH-1211 Geneva 4, Switzerland; [Marinova, Maya; Kostova, Kalina; Dimitrov, Vladimir] Bulgarian Acad Sci, Ctr Phytochem, Inst Organ Chem, Sofia 1113, Bulgaria; [Guenee, Laure; Besnard, Celine] Univ Geneva, Lab Crystallog, CH-1211 Geneva 4, Switzerland; [Shivachev, Boris] Bulgarian Acad Sci, Inst Mineral & Crystallog Acad Ivan Kostov, Sofia 1113, Bulgaria; [Villani, Claudio; Franzini, Roberta] Univ Roma La Sapienza, Dipartimento Chim & Tecnol Farmaco, I-00185 Rome, Italy in 2020, Cited 46. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0. Formula: C8H10O2
A straightforward approach to the synthesis of two different series of cationic [5]helicenes has been achieved including, in dioxa series, the possibility to introduce aromatic functional groups at the periphery of the helical structure. While photophysical study highlights that the introduction of aryl substituents at position 23 of the helical moieties has a negligible impact on the optical properties, styryl substituents allow a welcoming extension of the conjugation pathways. Finally, a red shift of the optical properties was evidenced upon introduction of nitrogen atoms in the helicene scaffold, leading to particularly good fluorescence efficiencies in the red domain for a helicenic dye. Detailed information on racemization kinetics was collected for the most stable species upon direct high-performance liquid chromatography (HPLC) resolution or, when configurational lability was too high, through VT-HPLC analysis on the chiral stationary phase (Delta G double dagger values ranging from 85.0 to 137.1 kJ.mol(-1) and above).
About 1,3-Dimethoxybenzene, If you have any questions, you can contact Marinova, M; Pascal, S; Guenee, L; Besnard, C; Shivachev, B; Kostova, K; Villani, C; Franzini, R; Dimitrov, V; Lacour, J or concate me.. Formula: C8H10O2
Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com