Search Results - "Uriac, P."
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1
Intramolecular transesterification of depsides yields fluorescent 1H-isochromen-1-ones: Application as a chemical probe for lichen determination
Published in Phytochemistry (Oxford) (01-06-2022)“…The reactivity of eight purified depsides obtained from six european lichens and that display as 2-oxoalkyl chain in ortho-position of the ester bond was…”
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2
Polyamine sulfonamides with NMDA antagonist properties are potent calmodulin antagonists and cytotoxic agents
Published in The international journal of biochemistry & cell biology (01-03-1998)“…N 1-Dansylspermine and related sulfonamides of the natural polyamines are very potent blockers of NMDA-type glutamate receptors. They exhibit pharmacological…”
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3
1-Benzazepine derivatives acting as ATP-dependent potassium-channels antagonists
Published in European journal of medicinal chemistry (1995)“…In order to select between various pharmacological activities related to the 1-benzazepine nucleus, a set of 1-benzazepine derivatives bearing different N-1 or…”
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4
Synthesis of heterocyclic enamine-zinc complexes as precursors of stereocontrolled substitution of nitrogen α-position
Published in Tetrahedron letters (29-10-2020)“…[Display omitted] •Enamine-zinc complexes.•Stereoselective addition on cyclic iminiums.•2-Substituted nitrogen heterocycles.•(rac)-Homoconiine and coniine…”
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5
Solid phase synthesis of sulphonamides: novel ligands of 5-HT6 receptors
Published in Journal of pharmacy and pharmacology (01-07-2001)“…Using solid phase synthesis techniques, we have rapidly obtained a series of eight aryl sulphonamides derived from putrescine. These conjugates with various…”
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6
Oxidation of 2,3- and 2,5-dihydro-1H-1-benzazepines by hydride transfer to an iminium ion: Synthesis of 3H-1-benzazepines
Published in Tetrahedron (18-03-1996)“…Mechanism: Hydride transfer from 1 or 2 to the iminium ion 3′f giving 6f and 5. In the case of 2, compound 5 is directly obtained. Some 3H-1-benzazepines were…”
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7
Inhibition of tumor growth and polyamine uptake by tetracyclic amidines bearing a putrescine moiety
Published in Anticancer research (01-11-1997)“…Tetracyclic amidines (tetrahydroquino[4.3-b][l]benzazepine: compound 11 and tetrahydrobenzo[k]naphthyridine: compound 12) bearing a putrescine moiety possess…”
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8
Stictic Acid Derivatives from the Lichen Usnea articulata and Their Antioxidant Activities
Published in Journal of natural products (Washington, D.C.) (01-07-2007)“…Two new β-orcinol depsidones, 1 and 2, together with 13 known compounds were isolated from the lichen Usnea articulata. The structures of 1 and 2 were…”
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9
Electrochemical oxidation of 2,5-dihydro- 1h-1-benzazepines : Synthesis of 5H-1-benzazepines
Published in Tetrahedron (28-08-1995)“…Formation of 5H-1-benzazepines was observed after electrochemical oxidation of the title compounds in a flow cell at a graphite felt anode and in acetic…”
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10
Effect of Spermine Conjugation on the Cytotoxicity and Cellular Transport of Acridine
Published in Journal of medicinal chemistry (07-11-2002)“…Polyamines are believed to be potent vectors for the selective delivery of chemotherapeutic agents into cancer cells. In this paper, we report the effect of…”
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11
Effect of Polyamine Homologation on the Transport and Biological Properties of Heterocyclic Amidines
Published in Journal of medicinal chemistry (12-01-2006)“…Five sets of heterocyclic derivatives of various sizes and complexities coupled by an amidine function to putrescine, spermidine, or spermine were prepared…”
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12
Synthesis of a Laterally Branched Polyamine from α-Methylene-γ-butyrolactone
Published in Organic letters (23-06-2005)“…A polyamine derivative was prepared from α-methylene-γ-butyrolactone. This method used Michael addition and lactone aminolysis followed by the nucleophilic…”
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13
Parallel Supported Synthesis of Polyamine−Imidazole Conjugates
Published in Organic letters (09-12-2004)“…A small collection of nine polyamine−imidazole conjugates, potentially acting as RNases A mimics, has been synthesized on SynPhase lanterns using amino…”
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14
Solid-phase combinatorial synthesis of polyamine derivatives using aminoalcohol building blocks
Published in Tetrahedron letters (17-09-2001)“…A systematic study of nucleophilic displacement of mesyl groups using benzylamine was carried out on Multipin Synphase™ supports. The optimal conditions were…”
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15
Antibacterial activity of glycine betaine analogues: involvement of osmoporters
Published in Bioorganic & medicinal chemistry letters (03-05-2004)“…Glycine betaine (GB) analogues were obtained using solid phase organic synthesis and assayed for their toxic activity against 15 Gram positive and Gram…”
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16
Synthesis of dihydroxylated polyamines from an erythronolactone
Published in Tetrahedron letters (21-04-2003)“…The opening of protected erythronolactone by an amine or a diamine furnished hydroxy-amides. Their multistep functional conversion led to either selectively…”
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17
Synthesis of New Quinoxaline Derivatives by Reductive Cyclization of Various 1-(2-Nitrophenyl)-2-cyanoamines
Published in European journal of organic chemistry (01-03-2001)“…The electrochemical cyanation of various six‐membered N‐(2‐nitrophenyl) heterocyclic amines, including piperidine, morpholine, thiomorpholine, and…”
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18
Pharmacomodulation of a sulfamide 5-HT6 receptor ligand
Published in Journal of enzyme inhibition and medicinal chemistry (01-12-2004)“…A series of N-omega-aminoalkyl- or N-omega-amidinoalkyl-2,4,6-triisopropyl benzenesulfonamides has been synthesized and their respective affinity indices on…”
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19
Solid phase organic synthesis of polyamine derivatives and initial biological evaluation of their antitumoral activity
Published in Bioorganic & medicinal chemistry letters (17-03-1998)“…A series of N 1-monosubstituted putrescine and spermine derivatives was synthesised using a solid phase methodology. We evaluated their cytotoxicity,…”
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20
Toxicity and osmoprotective activities of analogues of glycine betaine obtained by solid phase organic synthesis towards Sinorhizobium meliloti
Published in Bioorganic & medicinal chemistry letters (04-01-1999)“…Seven analogues of the bacterial osmoprotectant glycine betaine (GB, trimethylammonioacetate), in which the methyl groups of the Me 3N + moiety are replaced by…”
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