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The Direct Catalytic Enantioselective Synthesis of Protected Aryl β‐Hydroxy‐α‐Amino Acids
The combination of three reagents-a tridentate pybox ligand (pybox = pyridine bis(oxazoline)), magnesium perchlorate, and Hunig base (iPr 2EtN)-allows the catalytic generation of a chiral glycineExpand
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Palladium-catalyzed alpha-arylation of oxindoles.
A catalyst generated from Pd(dba)2 and the bulky electron-rich phosphine ligand 2-(dicyclohexylphosphino)-2',4', 6'-tri-i-propyl-1-1'-biphenyl is effective for the alpha-arylation of oxindoles.Expand
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Catalytic enantioselective desymmetrisation as a tool for the synthesis of hodgkinsine and hodgkinsine B.
Two palladium-catalysed amination protocols are deployed in the desymmetrisation of the complex dimeric alkaloid meso-chimonanthine. The power of these transformations is showcased in an efficientExpand
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Doubly diastereoselective conjugate addition of homochiral lithium amides to homochiral alpha,beta-unsaturated esters containing cis- and trans-dioxolane units.
As part of a long-term goal directed towards the ab initio asymmetric synthesis of unnatural amino sugars, the doubly diastereoselective conjugate addition reactions of the antipodes of lithiumExpand
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Parallel kinetic resolution of tert -butyl ( RS )-6-alkyl-cyclohex-1-ene-carboxylates for the asymmetric synthesis of 6-alkyl-substituted cishexacin derivatives
Abstract Excellent levels of enantiorecognition are displayed by tert-butyl (RS)-6-n-alkyl-cyclohex-1-ene-carboxylates in mutual kinetic resolutions with lithiumExpand
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IR \Snowballs": Long-Term Characterization
We present a comprehensive analysis of the properties of the WFC3/IR anomalies known as \snowballs", using all in-ight
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Assessing variability in microstructural influence on fatigue crack growth behavior
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The Impact of Blobs on WFC3/IR Stellar Photometry
We investigate the impact of the anomalous regions known as “blobs” on WFC3/IR stellar photometry using observations of globular cluster ω Centauri in five commonly used WFC3/IR filters, and test theExpand