So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Asaula, Vitalii M.; Buryanov, Volodymyr V.; Solod, Bohdan Y.; Tryus, Daryna M.; Pariiska, Olena O.; Kotenko, Igor E.; Volovenko, Yulian M.; Volochnyuk, Dmitriy M.; Ryabukhin, Sergey V.; Kolotilov, Sergey V. researched the compound: 1,2,3,4-Tetrahydroquinoline-3-carboxylic acid( cas:114527-53-6 ).Product Details of 114527-53-6.They published the article 《Catalytic Hydrogenation of Substituted Quinolines on Co-Graphene Composites》 about this compound( cas:114527-53-6 ) in European Journal of Organic Chemistry. Keywords: quinoline preparation catalytic hydrogenation cobalt graphene composite. We’ll tell you more about this compound (cas:114527-53-6).
A set of 20 composites was prepared by pyrolysis of Co2+ complexes with 1,10-phenanthroline, melamine and 1,2-diaminobenzene. These composites were tested as the catalysts for the hydrogenation of quinolines. As shown by powder X-ray diffraction and TEM, the composites contained Co particles of several dozen nm sizes. The composition (elements content), Raman spectra X-ray photoelectron spectra parameters of the composites were analyzed. It was found that there was no distinct factor that controlled the yield of 1,2,3,4-tetrahydroquinolines in the investigated process. The yields of the resp. products were in the range 90-100%. The three most active composites were selected for scale-up and hydrogenation of a series of substituted quinolines. Up to 97% yield of 1,2,3,4-tetrahydroquinoline was obtained on a 50 g scale. Five representative substituted quinolines were synthesized on a 10-20 g scale using the Co-containing composites as the catalysts.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com