Electric Literature of 394-67-2, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 394-67-2, molcular formula is C9H6FN, introducing its new discovery.
A process for production of a 4-fluoroisoquinoline-5-sulfonyl halide or a salt thereof comprising the steps of reacting 4-fluoroisoquinoline or a salt thereof with sulfuric anhydride in the presence or absence of sulfuric acid to give 4-fluoroisoquinoline-5-sulfonic acid or a salt thereof, and then reacting the resulting 4-fluoroisoquinoline-5-sulfonic acid or salt thereof with a halogenation reagent to give a 4-fluoroisoquinoline-5-sulfonyl halide or a salt thereof. This process can produce a 4-fluoroisoquinoline-5-sulfonyl halide or a salt thereof effectively and easily and can also separate and purify the 4-fluoroisoquinoline-5-sulfonyl halide or salt thereof from a position isomer by-product easily.
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 394-67-2 is helpful to your research. Electric Literature of 394-67-2
Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H872N – PubChem