《Click-based conjugated microporous polymers as efficient heterogeneous photocatalysts for organic transformations》 was written by Gan, Shaolin; Zeng, Yan; Liu, Jiaxin; Nie, Junqi; Lu, Cuifen; Ma, Chao; Wang, Feiyi; Yang, Guichun. Synthetic Route of C4H2Br2SThis research focused ontriazole thiophene conjugated polymer catalyst preparation optical band gap; dimethylaniline aryl iso isocyanide triazolethiophene catalyst ugi reaction; methyl arylamino phenylacetanmide preparation; tetrahydroisoquinoline triazolethiophene catalyst oxidation; tetrahydroisoquinolinone preparation. The article conveys some information:
In this study, the design and synthesis of three 1,2,3-triazole-thiophene based CMP (Ta-Th) photocatalysts through the click reaction was described. Compared with the corresponding thienyl- and bithienyl-bridged Ta-Th-4 and Ta-Th-5, the terthiophene based Ta-Th-6 shows a stronger light-harvesting ability, a narrower optical energy gap, and a better charge separation efficiency for facilitated charge transfer, which make Ta-Th-6 a promising candidate for photoredox reactions. Indeed, Ta-Th-6 presents superior photocatalytic activity in the Ugi multicomponent reaction and α-oxidation of N-substituted tetrahydroisoquinolines. Furthermore, the catalyst exhibits a considerable activity after recycling five times, demonstrating its high stability and excellent reusability. The experimental part of the paper was very detailed, including the reaction process of 2,5-Dibromothiophene(cas: 3141-27-3Synthetic Route of C4H2Br2S)
2,5-Dibromothiophene(cas: 3141-27-3) , is mainly used as pharmaceutical intermediate and synthesis intermediate. 2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) .Synthetic Route of C4H2Br2S
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary