Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Zhang, Miao-Rong, once mentioned the application of 2812-46-6, Name is H-Pro-OtBu, molecular formula is C9H17NO2, molecular weight is 171.24, MDL number is MFCD00037879, category is amides-buliding-blocks. Now introduce a scientific discovery about this category, Safety of H-Pro-OtBu.
Structural Effect of Sulfide-Containing Diamides on the Extraction of Palladium(II) from HCl
To understand the relationship between the structure and function of compounds for the extraction of Pd(II) from HCl solution, we investigated the Pd(II) extraction properties using three sulfide-containing diamides with the same N-substituents, N,NMODIFIER LETTER PRIME-dimethyl-N,NMODIFIER LETTER PRIME-diphenyl: thiodiglycolamide (mptdga), 3,3MODIFIER LETTER PRIME-thiodipropionamide (mptdpa), and 1,2-ethylene-bis(thioglycolamide) (mpebtga) diluted in chloroform. All of the diamides extract Pd(II) from 3.0 M HCl solution much faster than the conventional sulfide extractant, di-n-hexyl sulfide, and the extraction efficiency decreases in the order mpebtga > mptdpa > mptdga. The apparent stoichiometry of the Pd(II)-extractant complex extracted in the organic phase is 1:1 for mpebtga and 1:2 for mptdga and mptdpa. The FT-IR measurements show that the amide oxygen atoms in the diamides do not directly coordinate to Pd(II). These results indicate that the dominant complexes for the three diamides are [PdCl2(mptdga)(2)], [PdCl2(mptdpa)(2)], and [PdCl2(mpebtga)] with the sulfide coordinating to Pd(II).
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