Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. Recommanded Product: 1317-39-1, Name is Copper(I) oxide, molecular formula is Cu2O, Recommanded Product: 1317-39-1, In a Patent, authors is £¬once mentioned of Recommanded Product: 1317-39-1
HYDROXYLAMINE DERIVATIVES
The invention concerns hydroxylamine derivatives of the formula I wherein R4 is hydrogen, carbamoyl, (1-4C)alkyl, (2-5C)alkanoyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, benzoyl or phenylsulphonyl; R5 includes hydrogen, (1-4C)alkyl and (2-5C)alkanoyl; R is hydrogen, (14C)alkyl, phenyl or phenyl-(1.-4C)alkyl; R7 is hydrogen or (1-4C)alkyl; Ar1 is phenylene; A1 is a direct link to X1, or Al is (1-4C)alkylene; X1 is oxy, thio, sulphinyl or sulphonyl; Ar2 is phenylene, pyridinediyl, pyrimidinediyl, thiophenediyl, furandiyl, thiazolediyl, oxazolediyl, thiadiazolediyl or exadiazolediyl; R1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; and R2 and R3 together form a group of the fornula-A2- X2-A3- which together with the carbon atom to which A2 and A3 are attached define a ring having 5 or 6 ring atoms, wherein each of A2 and A3 is independently (1-3C)alkylene and X2 is oxy, thio, sulphinyl, sulphonyl or imino; or a pharmaceutically-acceptable salt thereof; processes for their manufacture; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.
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 1317-39-1 is helpful to your research. Recommanded Product: 1317-39-1
Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”