Healthcare careers for chemists are once again largely based in laboratories, although increasingly there is opportunity to work at the point of care, helping with patient investigation. In a patent, 18331-34-5, name is 5-Benzylidene-3-ethyl-2-thioxothiazolidin-4-one, introducing its new discovery. Application In Synthesis of 5-Benzylidene-3-ethyl-2-thioxothiazolidin-4-one
Five new 3-alkyl-5-benzylidene- and five new 3-alkyl-5-cinnamylidene-2-selenorhodanines were obtained by treatment of methylation products of appropriate rhodanines with H2Se. The stability of 2-thiazolinium salts with SCH3 or RNHCH3 group formed during methylation (cf. Scheme 2) is determined by substituents at C-5 and N-3 atoms.
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Reference：
Quinuclidine – Wikipedia,
Quinuclidine | C7H827N | ChemSpider