1899-24-7Relevant articles and documents
Synthesis of [2,2’]Bifuranyl-5,5’-dicarboxylic Acid Esters via Reductive Homocoupling of 5-Bromofuran-2-carboxylates Using Alcohols as Reductants?
Jiang, Huanfeng,Luo, Jiajun,Xie, Yi,Yin, Biaolin,Yu, Bin
, p. 62 - 68 (2020/12/09)
Herein, we describe an environmentally benign and cost-effective protocol for the synthesis of valuable bifuranyl dicarboxylates, starting with α-bromination of readily accessible furan-2-carboxylates by LiBr and K2S2O8. Furthermore, the bromination intermediate product 5-bromofuran-2-carboxylates were then conducted in a palladium-catalyzed reductive homocoupling reactions in the presence of alcohols to afford bifuranyl dicarboxylates. One of the final products in this protocol, [2,2’]bifuran-5,5’-dicarboxylic acid esters, are essential monomers of poly(ethylene bifuranoate), which can be served as an green and versatile alternative polymer for traditional poly(ethylene terephthalate) that is currently common in technical plastics.
Synthesis of 5-bromo-2-furfural under solvent-free conditions using 1-butyl-3-methylimidazolium tribromide as brominating agent
Wu, Xiangrui,Peng, Xinhua,Dong, Xiongzi,Dai, Zhihong
experimental part, p. 927 - 928 (2012/07/30)
The development of a facile and general method for the preparation of 5-bromo-2-furfural is described. An excellent yield of high regioselectivity came out of the bromination reaction of 2-furfural with 1-butyl-3- methylimidazolium tribromide under solvent-free conditions.
Isoquinoline compound melanocortin receptor ligands and methods of using same
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, (2008/06/13)
The invention relates to melanocortin receptor ligands and methods of using the ligands to alter or regulate the activity of a melanocortin receptor. The invention further relates to tetrahydroisoquinoline aromatic amines that function as melanocortin receptor ligands and as agents for controlling cytokine-regulated physiologic processes and pathologies, and combinatorial libraries thereof.