Search Results - "Jensen, Mark S."
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An Improved Protocol for the Preparation of 3-Pyridyl- and Some Arylboronic Acids
Published in Journal of organic chemistry (26-07-2002)“…3-Pyridylboronic acid was prepared in high yield and bulk quantity from 3-bromopyridine via a protocol of lithium−halogen exchange and “in situ quench”. This…”
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Efficient Synthesis of a GABAA α2,3-Selective Allosteric Modulator via a Sequential Pd-Catalyzed Cross-Coupling Approach
Published in Journal of organic chemistry (22-07-2005)“…A practical synthesis of 2-[3-(4-fluoro-3-pyridin-3-yl-phenyl)-imidazo[1,2-a]pyrimidin-7-yl]-propan-2-ol (1), an oral GABAA α2/3-selective agonist, is…”
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Synthesis of an Anti-Methicillin-Resistant Staphylococcus aureus (MRSA) Carbapenem via Stannatrane-Mediated Stille Coupling
Published in Organic letters (20-04-2000)“…A short synthesis of carbapenem 1 is described. The key step involves the cross-coupling of an enol triflate with an amino-substituted sp3 carbon. This…”
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Cyclopropane-Containing Eicosanoids of Marine Origin. Biomimetic Synthesis of Constanolactones A and B from the Alga Constantinea simplex
Published in Journal of the American Chemical Society (01-06-1995)“…Asymmetric syntheses of a substance isolated from incubation of arachidonic acid with an acetone powder of the coral Plexaura homomalla, and of…”
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Palladium-Catalyzed Regioselective Arylation of Imidazo[1,2-a]pyrimidine
Published in Organic letters (11-12-2003)“…Imidazo[1,2-a]pyrimidine can be arylated at the 3-position with aryl bromides in the presence of base and a catalytic amount of palladium. This provides an…”
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An Efficient Synthesis of an αvβ3 Antagonist
Published in Journal of organic chemistry (19-03-2004)“…A practical preparation of an αvβ3 antagonist is reported. The antagonist consists of three key components, a tetrahydronaphthyridine moiety, a β-alanine…”
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Mild and Practical Method for the α-Arylation of Nitriles with Heteroaryl Halides
Published in Journal of organic chemistry (25-11-2005)“…A mild and transition-metal-free method for the α-arylation of aliphatic nitriles with activated heteroaryl halides was developed using NaHMDS or KHMDS as base…”
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Stereoselective synthesis of an anti-HIV drug candidate
Published in Chirality (New York, N.Y.) (2005)“…The asymmetric synthesis of a Merck anti‐HIV drug candidate is described. The target molecule contains four stereogenic centers, three of which are located in…”
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A Strategy for Total Synthesis of Complex Cardenolides
Published in Journal of organic chemistry (04-10-1996)Get full text
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Preparation of crystallinep-nitrobenzyl 2-hydroxymethyl carbapenem as a key intermediate for the anti-MRS carbapenem L-786,392
Published in Tetrahedron letters (01-01-1999)Get full text
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An approximate formula for the intermolecular Pauli repulsion between closed shell molecules
Published in Molecular physics (01-12-1996)“…The exchange repulsion formula proposed by Murrell and co-workers (Proc. Roy. Soc. (Lond.) 1965, A284, 566; J. chem. Phys., 1967, 47, 4916) is considered in…”
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Efficient synthesis of a GABA A alpha2,3-selective allosteric modulator via a sequential Pd-catalyzed cross-coupling approach
Published in Journal of organic chemistry (22-07-2005)“…A practical synthesis of 2-[3-(4-fluoro-3-pyridin-3-yl-phenyl)-imidazo[1,2-a]pyrimidin-7-yl]-propan-2-ol (1), an oral GABA(A) alpha(2/3)-selective agonist, is…”
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14
Efficient Synthesis of a GABA A α 2,3 -Selective Allosteric Modulator via a Sequential Pd-Catalyzed Cross-Coupling Approach
Published in Journal of organic chemistry (01-07-2005)Get full text
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15
Synthesis of 1,3-dienes of ( E, Z) configuration by a three-component coupling strategy
Published in Tetrahedron (15-05-1995)“…Three-component coupling of an anionic nucleophile, butadienyltriphenylphosphonium bromide, and an aldehyde gave conjugated dienes of predominantly ( E, Z)…”
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An efficient synthesis of an alphavbeta3 antagonist
Published in Journal of organic chemistry (19-03-2004)“…A practical preparation of an alpha(v)beta(3) antagonist is reported. The antagonist consists of three key components, a tetrahydronaphthyridine moiety, a…”
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An Efficient Synthesis of an α v β 3 Antagonist
Published in Journal of organic chemistry (01-03-2004)Get full text
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Preparation of crystalline p-nitrobenzyl 2-hydroxymethyl carbapenem as a key intermediate for the anti-MRS carbapenem L-786,392
Published in Tetrahedron letters (15-01-1999)“…Crystalline p-nitrobenzyl esters of 2-hydroxymethyl carbapenem derivatives were prepared in one pot from the corresponding diazo compounds and Bu 3SnCH 2OH…”
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A simple and scalable method to prepare 1-aza-5-chloro-5-stannabicyclo[3.3.3]undecane
Published in Tetrahedron letters (04-11-2000)“…A simple and scalable method for the preparation of a potentially versatile organostannane, 1-aza-5-chloro-5-stannabicyclo[3.3.3]undecane ( 1), is described…”
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Preparation of crystalline p-nitrobenzyl 2-formyl carbapenems by oxidative cleavage
Published in Bioorganic & medicinal chemistry letters (07-06-1999)“…Crystalline 1β-methyl-2-formyl carbapenem pNB esters were prepared by osmium-mediated oxidative cleavage of the corresponding 2-vinyl derivatives. Reduction of…”
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