One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 2307-69-9, Name is Isopropyl 4-methylbenzenesulfonate, formurla is C10H14O3S. In a document, author is Assy, MG, introducing its new discovery. HPLC of Formula: C10H14O3S.
Synthesis of some new pyrimidines, thienopyrimidines and thiopyranopyrimidines
Isothiocyanate 1 reacted with enaminone 2 to give thioamide 3 that cyclized by sodium hydroxide to pyrimidine 4 but cyclized by bromine to give isothiazole 5, pyrimidine 4 was transformed into thiopyranopyrimidines 7, 9 or 11 upon respective reaction with benzaldehyde, maleic acid, or maleic anhydride. Aminative cyclization of 4 yielded isothiazolopyrimidine 13. Reaction of 4 and ethyl bromoacetate or phenacyl bromides afforded thienopyrimidines 15a-b respectively. Oxidation of 4 yielded oxopyrimidine 16.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com