Search Results - "Fenster, Michaël D. B"
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Toward the Total Synthesis of Spirastrellolide A. Part 2: Conquest of the Northern Hemisphere
Published in Angewandte Chemie International Edition (18-08-2006)“…North and South: The unique biological activity of the natural product spirastrellolide A renders it an attractive lead for anticancer agents. The southern…”
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Toward the Total Synthesis of Spirastrellolide A. Part 1: Strategic Considerations and Preparation of the Southern Domain
Published in Angewandte Chemie International Edition (18-08-2006)“…North and South: The unique biological activity of the natural product spirastrellolide A renders it an attractive lead for anticancer agents. The southern…”
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3
Total Synthesis of Spirastrellolide F Methyl Ester--Part 2: Macrocyclization and Completion of the Synthesis
Published in Angewandte Chemie (International ed.) (21-12-2009)“…Marvel of the sea: A concise and highly convergent total synthesis of the methyl ester of the marine macrolide spirastrellolide F (see picture), which has…”
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Diverted Total Synthesis: Preparation of a Focused Library of Latrunculin Analogues and Evaluation of Their Actin-Binding Properties
Published in Proceedings of the National Academy of Sciences - PNAS (07-06-2005)“…Two largely catalysis-based and highly convergent total syntheses of latrunculin A (1) and B (2) were diverted to the preparation of a focused library of…”
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Palladium-Catalyzed C–O Coupling of a Sterically Hindered Secondary Alcohol with an Aryl Bromide and Significant Purity Upgrade in the API Step
Published in Organic process research & development (18-05-2018)“…The final two steps used to prepare greater than 1 kg of a compound evaluated as a treatment for type 2 diabetes are reported. The application of a…”
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Synthesis of Functionalized 1-Azaspirocyclic Cyclopentanones Using Bronsted Acid or N-Bromosuccinimide Promoted Ring Expansions
Published in Journal of organic chemistry (20-08-2004)“…Azaspirocyclic ring systems are present in a variety of alkaloids. Functionalized 1-azaspirocyclopentanones (6, 7, 11, 12) can be efficiently constructed…”
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Total Syntheses of the Actin-Binding Macrolides Latrunculin A, B, C, M, S and 16-epi-Latrunculin B
Published in Chemistry : a European journal (01-01-2007)“…The latrunculins are highly selective actin‐binding marine natural products and as such play an important role as probe molecules for chemical biology. A…”
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Development of a Control Strategy for a Final Intermediate to Enable Impurities Control
Published in Organic process research & development (21-10-2016)“…This manuscript describes the development of a control strategy for impurities in the final intermediate step of the asunaprevir drug substance utilizing the…”
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Rhodium-Catalyzed Cyclopropanation of Alkenes with Dimethyl Diazomalonate
Published in Advanced synthesis & catalysis (07-04-2008)“…The outstanding ability of dirhodium α,α,α′,α′‐tetramethyl‐1,3‐benzenedipropanoate [Rh2(esp)2; esp=α,α,α′,α′‐tetramethyl‐1,3‐benzenedipropanoate] to catalyze…”
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Toward the total synthesis of spirastrellolide A. Part 3: intelligence gathering and preparation of a ring-expanded analogue
Published in Chemical communications (Cambridge, England) (01-01-2007)“…Different methods for the formation of the C.25-C.26 bond of spirastrellolide A () are evaluated that might qualify for the end game of the projected total…”
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A Formal Construction of Fasicularin
Published in Organic letters (13-11-2003)“…Our synthetic approach toward fasicularin is presented. Key steps in this construction are a siloxy-epoxide semipinacol rearrangement, a B-alkyl Suzuki…”
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An Asymmetric Formal Synthesis of Fasicularin
Published in Chemistry : a European journal (07-01-2005)“…An asymmetric formal synthesis of fasicularin (1) is described. This natural product, isolated from the extracts of the marine invertebrate Nephteis…”
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Investigations of α-Siloxy−Epoxide Ring Expansions Forming 1-Azaspirocyclic Ketones
Published in Journal of organic chemistry (20-08-2004)“…The construction of 1-azaspirocyclic cycloalkanones using a siloxy−epoxide semipinacol ring expansion process was examined. Functionalized…”
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Latrunculin Analogues with Improved Biological Profiles by "Diverted Total Synthesis": Preparation, Evaluation, and Computational Analysis
Published in Chemistry : a European journal (01-01-2007)“…Deliberate digression from the blueprint of the total syntheses of latrunculin A (1) and latrunculin B (2) reported in the accompanying paper allowed for the…”
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Construction of Azaspirocyclic Ketones through α-Hydroxyiminium Ion or α-Siloxy Epoxide Semipinacol Rearrangements
Published in Organic letters (28-06-2001)“…Semipinacol-type rearrangements to produce azaspirocyclic ketones are presented. The yields and stereoselectivities of these reactions range from 67−94% yield…”
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A Formal Construction of Fasicularin
Published in Organic letters (01-04-2004)Get full text
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Toward the Total Synthesis of Spirastrellolide A. Part 2: Conquest of the Northern Hemisphere
Published in Angewandte Chemie (18-08-2006)“…Nord und Süd: Der marine Naturstoff Spirastrellolid A ist wegen seiner einzigartigen biologischen Aktivität eine attraktive Leitstruktur für neuartige…”
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Toward the Total Synthesis of Spirastrellolide A. Part 1: Strategic Considerations and Preparation of the Southern Domain
Published in Angewandte Chemie (18-08-2006)“…Nord und Süd: Der marine Naturstoff Spirastrellolid A ist wegen seiner einzigartigen biologischen Aktivität eine attraktive Leitstruktur für neuartige…”
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Cover Picture: Toward the Total Synthesis of Spirastrellolide A. Part 1: Strategic Considerations and Preparation of the Southern Domain / Toward the Total Synthesis of Spirastrellolide A. Part 2: Conquest of the Northern Hemisphere (Angew. Chem. Int. Ed. 33/2006)
Published in Angewandte Chemie International Edition (18-08-2006)“…The antimitotic natural product spirastrellolide A is a complicated structure that shows impressive biological effects. Many key issues remain unresolved for…”
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An azirine solid-state photodegradant of the CCR2/CCR5 dual antagonist BMS-813160
Published in Tetrahedron letters (09-11-2022)“…[Display omitted] The synthesis of the CCR2/5 dual chemokine antagonist BMS-813160 (1) presented a number of interesting impurity and degradant structure…”
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