Reference of 19752-84-2, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 19752-84-2, Name is Tetrahydro-2H-pyran-3-ol, molecular formula is C5H10O2. In a Article£¬once mentioned of 19752-84-2
Two new nanaomycin analogs, nanaomycin I and J, were isolated from a cultured broth of an actinomycete strain, ?Streptomyces rosa subsp. notoensis? OS-3966. In our previous study, we have confirmed the occurrence of nanaomycin I (m/z = 482 [M + H]+) that lacks a pseudo-disaccharide from the mycothiol of nanaomycin H under same culture condition. In this study, to confirm the structure of nanaomycin I, the strain ?S. rosa subsp. notoensis? OS-3966 was re-cultured and the target compound with m/z = 482 [M + H]+ was isolated. Furthermore, we discovered another new analog, designated as nanaomycin J in isolating nanaomycin I. The NMR analyses revealed that the structures of nanaomycin I and J are N-acetylcysteine S-conjugates without a pseudo-disaccharide and N-acetylcysteine S-conjugates without a myo-inositol of nanaomycin H, respectively. The relative configurations of the tetrahydropyrane moiety of nanaomycin I and J were determined by rotating-frame overhauser effect spectroscopy (ROESY) analysis. Absolute configurations of the N-acetylcysteine moiety of nanaomycin I and J were determined by advanced Marfey’s analyses for acid hydrolysis of de-sulfurized nanaomycin I and J with Raney nickel. Nanaomycin I and J showed moderate cytotoxicity against several human tumor cell lines.
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 19752-84-2 is helpful to your research., Reference of 19752-84-2
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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics