New Advances in Chemical Research, May 2021.The potential utility of systematic synthetic strategy will be applicable to efficient generations of chemical libraries of compounds to find ‘hit’ molecules. 147118-35-2, Name is (R)-Methyl 3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenylphosphoranylidene)hexanoate, belongs to thiazines compound, is a common compound. In a pantent, author is Mills, A., once mentioned the new application about 147118-35-2, Formula: https://www.ambeed.com/products/147118-35-2.html.
Novel temperature-activated humidity-sensitive optical sensor
A novel, colorimetric, temperature-activated humidity indicator is presented, with a colour change based on the semi-reversible aggregation of thiazine dyes (esp. methylene blue, MB) encapsulated within the polymer, hydroxypropyl cellulose (HPC). The initially purple MB/HPC film is activated by heat treatment at 370 degrees C for 4 s, at which point the film (with a colour associated with that of a highly aggregated form of MB; lambda(max) = 530 nm) becomes blue (indicating the presence of monomeric and dimeric MB; i.e. with lambda(max) = 665; 605 nm respectively). The blue, heat-treated MB/HPC films respond to an ambient environment with a relative humidity (RH) exceeding 70% at 21 degrees C within seconds, returning to their initial purple colour. This colour change is irreversible until the film is heat-treated once more. When exposed to a lower RH of up to ca. 47%, the film is stable in its blue form. In contrast, a MB/HPC film treated only at 220 degrees C for 15 s also turns a blue colour and responds in the same way to a RH value of ca. 70%, but it is unstable at moderate RH 37-50% values, so that it gradually returns to its purple form over a period of approximately 6 h. The possible use of the high heat-treated MB/HPC humidity indicator in the packaging of goods that cannot tolerate high RH, such as dry foods and electronics, is discussed. (C) 2016 Elsevier B.V. All rights reserved.
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 147118-35-2 is helpful to your research. Formula: https://www.ambeed.com/products/147118-35-2.html.
Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem