A photochemically active dithiazolethene BN was designed and synthesized, exhibiting a specific gated photochromism. That is, the photochromic reactivity of BN is prevented to a great extent by BF3, showing a “Lock” gate.
Efficient synthesis of 3-oxygenated benzothiophene derivatives
作者:Fuyao Zhang、David Mitchell、Patrick Pollock、Tony Y. Zhang
DOI:10.1016/j.tetlet.2007.01.141
日期:2007.3
An efficient synthesis of 2-bromo-3-aryloxybenzothiophene derivatives by a conjugate addition–elimination sequence of 2,3-dibromo benzothiophene dioxides with phenolic nucleophiles has been developed. These benzothiophene derivatives serve as important intermediates for the synthesis of SERM analogues.
Quantitative Photoswitching in Bis(dithiazole)ethene Enables Modulation of Light for Encoding Optical Signals
作者:Yue Wu、Yongshu Xie、Qiong Zhang、He Tian、Weihong Zhu、Alexander D. Q. Li
DOI:10.1002/anie.201309915
日期:2014.2.17
ray of light to encode another ray of light is highly desirable because information in optical format can be directly transferred from one beam to another without converting back to the electronic format. One key medium to accomplish such an amazing task is photoswitchable molecules. Using bis(dithiazole)ethene that can be photoswitched between its ring‐open and ring‐closed states quantitatively with
Synthesis of 3-Benzo[<i>b</i>]thienyl 3-Thienyl Ether via an Addition–Elimination Reaction and Its Transformation to an Oxygen-Fused Dithiophene Skeleton: Synthesis and Properties of Benzodithienofuran and Its π-Extended Derivatives
作者:Koichi Mitsudo、Yuji Kurimoto、Hiroki Mandai、Seiji Suga
DOI:10.1021/acs.orglett.7b00969
日期:2017.6.2
The synthesis of 3-benzo[b]thienyl 3-thienyl ether and its dehydrogenative cyclization leading to benzodithienofuran (BDTF; [1]benzothieno[3,2-b]thieno[2,3-d]furan) are described for the first time. Further transformation of BDTF to more π-extended BDTF derivatives and their fundamental physical properties are also studied.
首先描述了3-苯并[ b ]噻吩基3-噻吩基醚的合成及其脱氢环化反应生成苯并二噻吩呋喃(BDTF; [1]苯并噻吩并[ 3,2- b ]噻吩并[2,3- d ]呋喃)。时间。还研究了BDTF进一步转化为更多π扩展的BDTF衍生物及其基本物理性质。
A novel aggregation-induced emission platform from 2,3-diphenylbenzo[b]thiophene S,S-dioxide
New aggregation-induced emission (AIE) luminogens with high solid-state emission efficiencies are developed by adopting a benzo[b]thiophene S,S-dioxide core, and steric and electronic effects on the AIE property are elucidated.