Search Results - "ACEñA, José Luis"
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Recent advances in the trifluoromethylation methodology and new CF3-containing drugs
Published in Journal of fluorine chemistry (01-11-2014)“…•Assessment of current methods for the synthesis of CF3-containing molecules.•Description of five trifluoromethylated new drug candidates.•Evaluation of the…”
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Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases. Part 3: Michael addition reactions and miscellaneous transformations
Published in Amino acids (01-09-2014)“…The major goal of this review is a critical discussion of the literature data on asymmetric synthesis of α-amino acids via Michael addition reactions involving…”
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1,2,3-Benzotriazine Synthesis by Heterocyclization of p‑Tosylmethyl Isocyanide Derivatives
Published in Journal of organic chemistry (06-10-2023)“…An efficient methodology to form 4-alkoxy- and 4-aryloxybenzo[d][1,2,3]triazines via an intramolecular heterocyclization of…”
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Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases; Part 1: alkyl halide alkylations
Published in Amino acids (01-10-2013)“…Alkylations of chiral or achiral Ni(II) complexes of glycine Schiff bases constitute a landmark in the development of practical methodology for asymmetric…”
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Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases. Part 2: Aldol, Mannich addition reactions, deracemization and (S) to (R) interconversion of α-amino acids
Published in Amino acids (01-11-2013)“…This review provides a comprehensive treatment of literature data dealing with asymmetric synthesis of α-amino-β-hydroxy and α,β-diamino acids via homologation…”
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Asymmetric synthesis of α-(1-oxoisoindolin-3-yl)glycine: synthetic and mechanistic challenges
Published in Chemical communications (Cambridge, England) (31-01-2015)“…We report herein that the NaOMe-catalyzed reactions between the chiral glycine Schiff base (S)-4 with 2-cyanobenzaldehyde 3a provide for a convenient…”
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Asymmetric Carbon-Carbon Bond Formation under Solventless Conditions in Ball Mills
Published in ChemCatChem (20-04-2015)“…Solventless asymmetric alkylation of a nickel complex in a ball mill led to α‐amino acid precursors with essentially complete stereochemical control; this…”
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Sustainable Synthesis of Oximes, Hydrazones, and Thiosemicarbazones under Mild Organocatalyzed Reaction Conditions
Published in Journal of organic chemistry (21-10-2016)“…Pyrrolidine catalyzes very efficiently, presumably via iminium activation, the formation of acyloximes, acylhydrazones, and thiosemicarbazones derived from…”
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Asymmetric Synthesis of (2S,3S)‑α-(1-Oxoisoindolin-3-yl)glycines under Low-Basicity “Kinetic” Control
Published in Journal of organic chemistry (20-11-2015)“…The previously illusive (2S,3S)-configured α-(1-oxoisoindolin-3-yl)glycines can be prepared under mild DBU-catalyzed, low-basicity conditions. The overall…”
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NH-type of chiral Ni(II) complexes of glycine Schiff base: design, structural evaluation, reactivity and synthetic applications
Published in Organic & biomolecular chemistry (28-02-2014)“…The work being reported here deals with the design of a new type of "N-H" Ni(II) complexes of glycine Schiff bases and study general aspects of their…”
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Straightforward Stereoselective Access to Cyclic Peptidomimetics
Published in Journal of organic chemistry (05-06-2009)“…The preparation of cyclic dipeptide mimetics from chiral imino lactones derived from (R)-phenylglycinol is described. Key steps of the synthetic route included…”
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Alkylations of Chiral Nickel(II) Complexes of Glycine under Phase-Transfer Conditions
Published in Helvetica chimica acta (01-12-2012)“…Alkylation reactions of nickel(II) complex 6 derived from glycine and 2‐[(1‐benzyl‐L‐prolyl)amino]benzophenone (BPBP) were studied under…”
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Cross-Metathesis Reactions as an Efficient Tool in the Synthesis of Fluorinated Cyclic β-Amino Acids
Published in Journal of organic chemistry (01-05-2009)“…The synthesis of enantiomerically pure, cyclic, γ,γ-difluorinated β-amino acids with various ring sizes has been carried out with a cross-metathesis (CM)…”
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Diastereoselective Intramolecular Additions of Allyl- and Propargylsilanes to Iminium Ions: Synthesis of Cyclic and Bicyclic Quaternary Amino Acids
Published in Organic letters (02-07-2010)“…Chiral imino lactones derived from (R)-phenylglycinol containing an allyl- or propargyltrimethylsilyl group in the side chain readily cyclized in the presence…”
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Tailor-Made α-Amino Acids in the Pharmaceutical Industry: Synthetic Approaches to (1R,2S)-1-Amino-2-vinylcyclopropane-1-carboxylic Acid (Vinyl-ACCA)
Published in European journal of organic chemistry (01-06-2016)“…(1R,2S)‐1‐Amino‐2‐vinylcyclopropane‐1‐carboxylic acid (vinyl‐ACCA) is the essential pharmacophoric unit in a new generation of highly potent hepatitis C virus…”
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Synthetic and biological applications of fluorous reagents as phase tags
Published in Topics in current chemistry (01-01-2012)“…The search for new and better techniques for the purification of organic compounds has made the recent emergence of fluorous chemistry in the field of organic…”
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Synthesis of fluorine-containing α-amino acids in enantiomerically pure form via homologation of Ni(II) complexes of glycine and alanine Schiff bases
Published in Journal of fluorine chemistry (01-11-2013)“…•Comprehensive review of asymmetric synthesis of fluorine-containing amino acids via Ni(II) complex chemistry.•Methodologically flexible approaches including:…”
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Fluorous TBAF: A Convenient and Selective Reagent for Fluoride-Mediated Deprotections
Published in Journal of organic chemistry (21-08-2009)“…A fluorous analogue of TBAF has been developed for its use in the clean removal of silicon-derived protecting groups. Purification of the crude mixtures by…”
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Chemical Kinetic Resolution of Unprotected β-Substituted β-Amino Acids Using Recyclable Chiral Ligands
Published in Angewandte Chemie International Edition (21-07-2014)“…The first chemical method for resolution of N,C‐unprotected β‐amino acids was developed through enantioselective formation and disassembly of nickel(II)…”
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