《Synthesis and optical properties of a novel sugar coated poly(p-phenyleneethynylene) effectively quenched by concanavalin A》 was written by Tsakama, Madalitso; Shang, Yuting; He, Yonghuang; Fan, Bei; Wang, Fengzhong; Chen, Weihua; Dai, Xiaofeng. Name: 1,4-Diethynyl-2,5-dimethoxybenzene And the article was included in Tetrahedron Letters on April 20 ,2016. The article conveys some information:
The synthesis of a novel sugar coated poly(p-phenyleneethynylene) (PPE) via Pd-catalyzed Sonogashira reaction and its subsequent interaction with Con A are described. UV-visible and fluorescence spectra were employed to study the response of the polymer toward various concentrations of Con A. The polymer showed a green fluorescence which can be quenched by Con A due to complex formation at ground state. The protocols reported herein provide intermediate products that can be converted into useful sensing elements from cheap and com. available starting materials, in a few number of steps. In the part of experimental materials, we found many familiar compounds, such as 1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6Name: 1,4-Diethynyl-2,5-dimethoxybenzene)
1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6) belongs to ethers.Although ethers resist hydrolysis, they are cleaved by hydrobromic acid and hydroiodic acid. Hydrogen chloride cleaves ethers only slowly. Name: 1,4-Diethynyl-2,5-dimethoxybenzene
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem