Electric Literature of 185137-29-5, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 185137-29-5, Name is (S)-4-Phenylthiazolidine-2-thione, molecular formula is C9H9NS2. In a Article，once mentioned of 185137-29-5
Crystal and molecular structures of racemic and chiral 4-phenyl-1,3-thiazolidine-2-thiones
The crystal and molecular structures of (rac)- and (S)-4-phenyl-1,3-thiazolidine-2-thiones (4-PTT) have been studied by X-Ray diffraction and ab initio MO calculations at the level of HF/6-31G*. In racemic crystals, the thioamide groups of the enantiomeric (R)- and (S)-4-PTT pairs are hydrogen-bonded around a crystallographic center of symmetry to form a planar cyclic dimer. On the other hand, in (S)-4-PTT crystals, a cyclic dimer through the hydrogen bonding is formed between the two independent molecules (molecules A and B) in the asymmetric unit and its geometry is distorted.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 185137-29-5 is helpful to your research. Electric Literature of 185137-29-5
Reference：
Quinuclidine – Wikipedia,
Quinuclidine | C7H776N | ChemSpider