In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. In homogeneous catalysis, catalysts are in the same phase as the reactants. 98-03-3, Name is Thiophene-2-aldehyde, molecular formurla is C5H4OS. In a document, author is Mantelingu, Kempegowda, introducing its new discovery. Formula: C5H4OS.
Intramolecular [3+2]-Cycloadditions of Azomethine Ylides Derived from Secondary Amines via Redox-Neutral C-H Functionalization
Azomethine ylides are accessed under mild conditions via benzoic acid catalyzed condensations of 1,2,3,4-tetrahydroisoquinolines or tryptolines with aldehydes bearing a pendent dipolarophile. These intermediates undergo intramolecular [3 + 2]-cycloadditions in a highly diastereoselective fashion to form polycyclic amines with four new stereogenic centers. Challenging substrates such as piperidine, morpholine, and thiomorpholine undergo the corresponding reactions at elevated temperatures.
Formula: C5H4OS, The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic, spectroscopic. I hope my blog about 98-03-3 is helpful to your research.
Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem