Electric Literature of 4971-56-6, 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, 4971-56-6, molcular formula is C4H4O3, introducing its new discovery.
A mild and efficient strategy for the construction of furo[3, 2-c]pyrones via an annulation of alpha-keto vinyl azides and 4-hydroxypyrones under catalyst free condition has been described. Several furo[3, 2-c]pyrone scaffolds were synthesized from readily available vinyl azides and 4-hydroxypyrones in a regiospecific manner. This protocol allows the formation of new C?O and C?C bonds in a single step to provide a wide variety of substituted furano heterocycles. It is worth noting that the present protocol has several advantages over the conventional methods such as catalyst free, short reaction duration and operational simplicity with good yields.
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 4971-56-6 is helpful to your research. Electric Literature of 4971-56-6
Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem