Stereoselective enzymatic reduction of 1,4-diaryl-1,4-diones to the corresponding diols employing alcohol dehydrogenases [PDF]
, 2018 Due to the steric hindrance of the starting prochiral ketones, the preparation of chiral 1,4-diaryl-1,4-diols through the asymmetric hydrogen transfer reaction has been mainly restricted to the use of metal-based catalysts, oxazaborolidines, or ...
Gonzalo Calvo, Gonzalo de +3 more
core +4 more sources
ELECTROCHEMICAL REDUCTION OF 2,2,5,5-TETRAMETHYLPYRROLINE DERIVATIVES TO CORRESPONDING PYRROLIDINES
Advanced Engineering Research, 2012 The reduction technique of 2,2,5,5-tetramethylpyrroline compounds to pyrrolidines on sodium amalgam preformed under the electrolysis of sodium hydroxide solution is described.
Irina Y. Zhukova +2 more
doaj
Oxalates as Activating Groups for Alcohols in Visible Light Photoredox Catalysis: Formation of Quaternary Centers by Redox-Neutral Fragment Coupling. [PDF]
, 2015 Alkyl oxalates are new bench-stable alcohol-activating groups for radical generation under visible light photoredox conditions. Using these precursors, the first net redox-neutral coupling of tertiary and secondary alcohols with electron-deficient ...
Jamison, Christopher R +4 more
core
Design, synthesis, conformational analysis and nucleic acid hybridisation properties of thymidyl pyrrolidine-amide oligonucleotide mimics (POM) [PDF]
, 2003 Pyrrolidine-amide oligonucleotide mimics (POM) 1 were designed to be stereochemically and conformationally similar to natural nucleic acids, but with an oppositely charged, cationic backbone.
Cooper, M.A. +5 more
core +1 more source
In Situ Construction of Imidazopyridinium Fluorescent Labels for Bioconjugation
Angewandte Chemie International Edition, EarlyView.Chromophore engineering of isoquinoline aldehydes generates TICT‐based fluorogenic dyes for in situ labeling of diverse (bio)molecules with large Stokes shifts compatible with cell imaging. ABSTRACT Simple, efficient transformations of fluorogenic nature that proceed under biocompatible conditions without the formation of byproducts are of high ...
Dongchen Du +7 more
wiley +1 more source
ELECTROCHEMICAL REDUCTION OF 2,2,5,5-TETRAMETHYLPYRROLINE DERIVATIVES TO CORRESPONDING PYRROLIDINES
Вестник Донского государственного технического университета, 2018 The reduction technique of 2,2,5,5-tetramethylpyrroline compounds to pyrrolidines on sodium amalgam preformed under the electrolysis of sodium hydroxide solution is described.
Irina Y. Zhukova +2 more
doaj
3-O-Benzhydryl-2,5-dideoxy-2,5-imino-2-C-methyl-l-lyxono-1,4-lactone
Acta Crystallographica Section E, 2008 The title bicyclic lactone, C19H19NO3, is an intermediate in the synthesis of chiral α-methylprolines and branched C-methyl pyrrolidines; the absolute configuration was determined by the use of d-erythronolactone as the starting material.
David J. Watkin +3 more
doaj +1 more source
Dialkyl Carbonates in the Green Synthesis of Heterocycles
Frontiers in Chemistry, 2019 This review focuses on the use of dialkyl carbonates (DACs) as green reagents and solvents for the synthesis of several 5- and 6-membered heterocycles including: tetrahydrofuran and furan systems, pyrrolidines, indolines, isoindolines, 1,4-dioxanes ...
Pietro Tundo +3 more
doaj +1 more source
Organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium or azolium enolates [PDF]
, 2014 This tutorial review highlights the organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium/azolium enolates.
Morrill, Louis C., Smith, Andrew D.
core +1 more source
Pd(II)‐Catalyzed Strategies for the β‐Arylation of α‐Amino Acids: An Overview
Chemistry – A European Journal, EarlyView.The graphical abstract summarizes the review “Pd(II)‐Catalyzed Strategies for the β‐Arylation of α‐Amino Acids: An Overview”, highlighting representative Pd(II)‐catalyzed methods for the β‐arylation of α‐amino acids. Key mechanistic features, substrate diversity, and synthetic relevance of these transformations are showcased. Abstract Metal‐catalyzed C─
Davide Illuminati +4 more
wiley +1 more source