نتایج جستجو برای: α bromoketals
تعداد نتایج: 164959 فیلتر نتایج به سال:
The sp3 C–H acetoxylation at the β-position of α,α-disubstituted α-amino acids proceeds smoothly under palladium catalysis in presence PhI(OAc)2. This reaction provides a straightforward synthetic route to non-natural β-acetoxy-α-amino acids. α-aminocyclopropanecarboxylic acid takes place via ring-opening selectively afford an acyclic γ-acetoxy-α,β-unsaturated amino acid.
Alzheimer's disease (AD) and diabetes mellitus (DM) are related to abnormal changes in enzyme activity. While acetylcholinesterase (AChE) butyrylcholinesterase (BChE) the primary targets treatment of (AD), α-glucosidase (α-Gly) α-amylase (α-Amy) enzymes known for (DM). Here, benzenesulfonamide-based thiourea thiazolidinone derivatives such as AChE, BChE, α-Gly, α-Amy inhibitors were reported. T...
Hybrid manufacturing (HM) Ti-6Al-4V components combining the advantages of forging and additive were achieved. The bonding zone HMed component joins substrate manufactured its α′-α/α′/αm-α/β heterogeneous microstructure was attributed to distinguishing cooling rate pseudo-isothermal annealing temperature. phase transformation mechanisms clarified with a numerical simulation model for thermal an...
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