One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, SDS of cas: 33282-15-4, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 33282-15-4, Name is 5-(4-Hydroxyphenyl)isoxazole-3-carboxylic acid, molecular formula is C10H7NO4
Preparation of unsymmetrical sulfonylureas from N,N?-sulfuryldiimidazoles
The synthetic methods reported in the literature for the preparation of sulfonylureas tend to be restricted in scope or unsuitable for use in parallel synthesis. We have developed a method for preparing sterically congested sulfonylureas based on N,N?-sulfuryldiimidazole that is both convenient and amenable to parallel synthesis. Sequential activation by way of alkylation of the imidazole group using methyl triflate followed by nucleophilic displacement with a variety of amines and anilines afford the unsymmetrical sulfonylurea. Sulfonylureas prepared from anilines were obtained in high yields using N,N?-sulfuryldiimidazole, while the somewhat more sterically congested analogue, N,N?-sulfurylbis-2-methylimidazole, proved to be superior for alkylamines.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. SDS of cas: 33282-15-4, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 33282-15-4, in my other articles.
Reference£º
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem