Search Results - "Roberts, Richard S"

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    Impurity Annihilation:  Chromatography-Free Parallel Mitsunobu Reactions by Barrett, Anthony G. M, Roberts, Richard S, Schröder, Jürgen

    Published in Organic letters (21-09-2000)
    “…Mitsunobu reaction of an alcohol ROH with a carboxylic acid, phthalimide, or N-hydroxyphthalimide (NuH) using DNAD (4) and (diphenylphosphino)polystyrene (11)…”
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    Phosphodiesterase-4 inhibitors: a review of current developments (2010 - 2012) by Gavaldà, Amadeu, Roberts, Richard S

    Published in Expert opinion on therapeutic patents (01-08-2013)
    “…At last, after many years of research, roflumilast has become the first oral phosphodiesterase-4 inhibitor to be approved by the medical agencies as an add-on…”
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    2-(1H-Pyrazol-4-yl)acetic acids as CRTh2 antagonists by Andrés, Miriam, Bravo, Mónica, Buil, Maria Antonia, Calbet, Marta, Castro, Jordi, Domènech, Teresa, Eichhorn, Peter, Ferrer, Manel, Gómez, Elena, Lehner, Martin D., Moreno, Imma, Roberts, Richard S., Sevilla, Sara

    Published in Bioorganic & medicinal chemistry letters (01-06-2013)
    “…High throughput screening identified the pyrazole-4-acetic acid substructure as CRTh2 receptor antagonists. Optimisation of the compounds uncovered a tight SAR…”
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    ROMP-Spheres:  A Novel High-Loading Polymer Support Using Cross Metathesis between Vinyl Polystyrene and Norbornene Derivatives by Barrett, Anthony G. M, Cramp, Susan M, Roberts, Richard S

    Published in Organic letters (07-10-1999)
    “…The preparation of a polymer-supported ruthenium alkylidene metathesis catalyst is described. This immobilized catalyst has been used to initiate a…”
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    Oxazole Synthesis with Minimal Purification:  Synthesis and Application of a ROMPgel Tosmic Reagent by Barrett, Anthony G. M, Cramp, Susan M, Hennessy, Alan J, Procopiou, Panayiotis A, Roberts, Richard S

    Published in Organic letters (25-01-2001)
    “…The synthesis of ring opening metathesis, polymer-supported Tosmic reagent 1 is described. This reagent was utilized in the conversion of aldehydes to oxazoles…”
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    Horner−Emmons Synthesis with Minimal Purification Using ROMPGEL:  A Novel High-Loading Matrix for Supported Reagents by Barrett, Anthony G. M, Cramp, Susan M, Roberts, Richard S, Zecri, Frederic J

    Published in Organic letters (26-08-1999)
    “…The synthesis and use of two novel high-loading Horner−Emmons ring-opening metathesis polymers are described. α,β-Unsaturated ethyl esters (E:Z > 99:1) and…”
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    A ROMPGEL-Supported N-Hydroxysuccinimide:  A Host of Acylations with Minimal Purification by Barrett, Anthony G. M, Cramp, Susan M, Roberts, Richard S, Zecri, Frederic J

    Published in Organic letters (10-02-2000)
    “…A novel N-hydroxysuccinimide ring-opening metathesis polymer is described as a recyclable supported acyl transfer reagent. Amides, carbamates, ureas, Weinreb…”
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    ROMPGEL Scavengers:  A High-Loading Supported Anhydride for Sequestering Amines and Hydrazines by Arnauld, Thomas, Barrett, Anthony G. M, Cramp, Susan M, Roberts, Richard S, Zécri, Frederic J

    Published in Organic letters (24-08-2000)
    “…A versatile method for sequestering excess amines and hydrazines is reported using a high-loading ROMPGEL anhydride polymer…”
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    Pyrrolidine synthesis on polystyrene supports: development of a ‘one-pot’ dipolar cycloaddition strategy by Barrett, Anthony G.M, Boffey, Raymond J, Frederiksen, Mathias U, Newton, Christopher G, Roberts, Richard S

    Published in Tetrahedron letters (06-08-2001)
    “…Preparation of substituted pyrrolidines was achieved by solid-phase synthesis via a room temperature 1,3-dipolar cycloaddition of a silver-azomethine ylide,…”
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