Search Results - "Masuno, Makoto N"
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Arabidopsis glucosyltransferase UGT74B1 functions in glucosinolate biosynthesis and auxin homeostasis
Published in The Plant journal : for cell and molecular biology (01-12-2004)“…Glucosinolates are a class of secondary metabolites with important roles in plant defense and human nutrition. Here, we characterize a putative…”
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Resolution of Atropisomeric Cyclic Catechol Monoether O‑Sulfate Esters by a Molluscan Sulfatase
Published in ACS omega (31-07-2018)“…Atropisomeric cyclic catechol ethers are notoriously difficult to resolve by classical chiral phase high-performance liquid chromatography. Here, we show the…”
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Chlorocyclopropane Macrolides from the Marine Sponge Phorbas sp. Assignment of the Configurations of Phorbasides A and B by Quantitative CD
Published in Journal of the American Chemical Society (11-04-2007)“…Two new chlorocyclopropane macrolides, phorbasides A and B, have been characterized from the sponge Phorbas sp. that previously yielded phorboxazoles A and B…”
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Enantioselective Total Synthesis of (+)-Milnamide A and Evidence of Its Autoxidation to (+)-Milnamide D
Published in Angewandte Chemie International Edition (12-11-2004)“…Spontaneous oxidation of the marine‐sponge‐derived peptide (+)‐milnamide A (1) to (+)‐milnamide D (2), which is also a natural product, was observed during the…”
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Addition of Cl2C: to (−)-O-Menthyl Acrylate under Sonication−Phase-Transfer Catalysis. Efficient Synthesis of (+)- and (−)-(2-Chlorocyclopropyl)methanol
Published in Journal of organic chemistry (13-05-2005)“…Dichlorocyclopropanation of (−)-O-menthyl acrylate under conditions of phase-transfer catalysis (CHCl3, KOH, tetramethylammonium bromide), with sonication,…”
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Phorbasterones A−D, Cytotoxic Nor-Ring A Steroids from the Sponge Phorbas amaranthus
Published in Journal of natural products (Washington, D.C.) (01-04-2004)“…The sponge Phorbas amaranthus from Florida contains the new ring A-contracted steroids, phorbasterones A−D, and the known anthosterones A and B. The structures…”
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Amaranzole A, a New N-Imidazolyl Steroid from Phorbas amaranthus
Published in Organic letters (06-12-2007)“…An unprecedented 24-N-imidazolyl steroidal alkaloid, amaranzole A, was isolated from a tropical sponge, Phorbas amaranthus. The structure was solved by…”
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1-O-Sulfatobastadins-1 and -2 from Ianthella basta (Pallas).Antagonists of the yR1-FKBP12 Ca2+ Channel
Published in Marine drugs (01-12-2004)“…Two new sulfate monoesters of hemibastadins-1 and -2 were isolated from the marine sponge Ianthella basta (Pallas) from Guam. A third new compound was…”
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Simplified Cyclic Analogues of Bastadin-5. Structure−Activity Relationships for Modulation of the RyR1/FKBP12 Ca2+ Channel Complex
Published in Journal of medicinal chemistry (27-07-2006)“…Bastadin-5, a brominated macro-dilactam from the marine sponge Ianthella basta, enhances release of Ca2+ from stores within the sarcoplasmic reticulum (SR) of…”
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Amaranzole A, a New N-Imidazolyl Steroid from Phorbas amaranthus
Published in Organic letters (04-06-2009)Get full text
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Regioselective cationic reduction of 2-aryl-1- N-(ethoxycarbonyl)enamines to 2-arylethylamine carbamates
Published in Tetrahedron letters (19-11-2001)“…2-Aryl-1- N-carboalkoxyenamines (enamides) are selectively reduced to the corresponding 2-arylethylamine carbamates by Et 3SiH in the presence of CF 3COOH in…”
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Cationic Reduction of Bastadin-4 to Bastadin-5. Preparation of 5-[2H]-Bastadin-5 by Site-Specific Isotopic Labeling
Published in Journal of natural products (Washington, D.C.) (01-01-2003)“…A chemoselective conversion of bastadin-4 to the important Ca2+ channel modulator bastadin-5 (1a) has been achieved using cationic hydrogenation (Et3SiH, TFA,…”
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Simplified Cyclic Analogues of Bastadin-5. Structure−Activity Relationships for Modulation of the RyR1/FKBP12 Ca 2+ Channel Complex
Published in Journal of medicinal chemistry (01-07-2006)Get full text
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1-O-Sulfatobastadins-1 and -2 from Ianthella basta (Pallas). Antagonists of the RyR1-FKBP12 Ca super(2+) Channel
Published in Marine drugs (01-12-2004)“…Two new sulfate monoesters of hemibastadins-1 and -2 were isolated from the marine sponge Ianthella basta (Pallas) from Guam. A third new compound was…”
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1-O-Sulfatobastadins-1 and -2 from Ianthella basta (Pallas). Antagonists of the RyR1-FKBP12 Ca2+ Channel
Published in Marine drugs (25-11-2004)“…Two new sulfate monoesters of hemibastadins-1 and -2 were isolated from the marine sponge Ianthella basta (Pallas) from Guam. A third new compound was…”
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Enantioselective Total Synthesis of (+)-Milnamide A and Evidence of Its Autoxidation to (+)-Milnamide D
Published in Angewandte Chemie (12-11-2004)“…Die spontane Oxidation des Meeresschwamm‐Peptids (+)‐Milnamid A (1), die zu dem ebenfalls in der Natur vorkommenden (+)‐Milnamid D (2) führt, trat auch in der…”
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Enantioselective Total Synthesis of (+)‐Milnamide A and Evidence of Its Autoxidation to (+)‐Milnamide D
Published in Angewandte Chemie (12-11-2004)Get full text
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