Controllable Synthesis of Mono‐ and Bis‐sulfenylindoles from Indoles and Various Sulfenylation Agents Using KI/SeO
<sub>2</sub>
System
作者:Thewika Benchawan、Rungnapha Saeeng
DOI:10.1002/ejoc.202200752
日期:2022.10.13
An efficient method for selective and controllable sulfenylation of indoles to synthesize mono- and bis-sulfenylindoles was reported by using a novel aerobic catalytic oxidation system KI/SeO2 for sulfenylation of indoles with disulfide/thiols. The method is scalable, not sensitive to moisture, and can proceed without metalcatalyst.
Anthraquinone dyes and liquid crystal compositions including the same
申请人:HITACHI, LTD.
公开号:EP0120463A2
公开(公告)日:1984-10-03
A liquid crystal composition comprising a host liquid crystal material and at least one guest novel anthraquine dye dissolved in said host liquid crystal material has a high order parameter, sufficient solubility in the host liquid crystal and high stability.
A display element for displaying full colors, having two colored layers including an upper colored layer and a lower colored layer which are laminated with each other, wherein the upper colored layer has two upper colored regions which are arranged optically in parallel to each other, the upper colored regions each containing a dye to display a different hue, and the lower colored layer has two lower colored regions which are arranged optically in parallel to each other, the lower colored regions each containing a dye to display a different hue.