Dub, Pavel A. published the artcileEngineering Catalysts for Selective Ester Hydrogenation, Recommanded Product: N,N-Diethyl-2,2,2-trifluoroacetamide, the publication is Organic Process Research & Development (2020), 24(3), 415-442, database is CAplus.
The development of efficient catalysts and processes for synthesizing functionalized (olefinic and/or chiral) primary alcs. and fluoral hemiacetals is currently needed. These are valuable building blocks for pharmaceuticals, agrochems., perfumes, and so forth. From an economic standpoint, bench-stable Takasago Int. Corp.’s Ru-PNP, more commonly known as Ru-MACHO, and Gusev’s Ru-SNS complexes are arguably the most appealing mol. catalysts to access primary alcs. from esters and H2 (Waser, M. et al. Organic Proc. Res. Dev. 2018,22, 862). This work introduces economically competitive Ru-SNP(O)z complexes (z = 0, 1), which combine key structural elements of both of these catalysts. In particular, the incorporation of SNP heteroatoms into the ligand skeleton is crucial for the design of a more product-selective catalyst in the synthesis of fluoral hemiacetals under kinetically controlled conditions. Based on exptl. observations and computational anal., this paper further extends the current state-of-the-art understanding of the accelerative role of KO-t-Bu in ester hydrogenation. It attempts to explain why a maximum turnover occurs starting at ∼25 mol % base, in contrast to only ∼10 mol % with ketones as substrates.
Organic Process Research & Development published new progress about 360-92-9. 360-92-9 belongs to amides-buliding-blocks, auxiliary class Trifluoromethyl,Fluoride,Amine,Aliphatic hydrocarbon chain,Amide, name is N,N-Diethyl-2,2,2-trifluoroacetamide, and the molecular formula is C6H10F3NO, Recommanded Product: N,N-Diethyl-2,2,2-trifluoroacetamide.
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