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インターネットで読める国立国会図書館
目次Total synthesis of styelsamine C, a cytotoxic fused tetracyclic aromatic alkaloid Intermolecular photoaddition reaction of benzenecarbothioamide with γ,δ-unsaturated ketones : a novel formation of cycloalkane-fused pyridine derivatives by photoinduced reaction Approach to the synthesis of (+)-ifforestine. model studies directed at the tetracyclic framework Synthesis and X-ray analysis of isomeric diazadithiapentacenes Enantioselective synthesis of mono- and disubstituted 3,6-dihydro-2H-pyrans and 5,6-dihydropyran-2-ones 1H- and 1-alkyl-1,4-dihydro-4-oxo-3-alkylthioquinolines from 1,4-dihydro-4-oxo-3’-alkylthio-3,4’-diquinolinyl sulfides New luteolin 3'-O-acylated rhamnosides from leaves of Bursera graveolens Structural and conformational studies of 3-(6-chloropyridazin-3-yl)-N,N-dimethylpiperazinium iodide and 3-(6-chloropyridazin-3-yl)-N,N-dimethylhomopiperazinium iodide with central nicotinic action Synthesis of naphth[3,2,1-cd]indole by Heck cyclization of 2-methoxycarbonyl-3-benzoylindoles Spectroscopic analysis of imidazolidines part Ⅳ : ¹³C-NMR spectroscopy Cyclocondensations of β-aroylacrylic acids with heterocyclic o-diamines Synthesis, spectroscopic studies, and crystal structure of 3-(1-hydroxyiminoethyl)-1-phenyl-4-hydro-1,2,4-triazine-5,6-dione methanol solvate New steroidal glycosides from Parepigynum funingense Metal chelations in asymmetric Diels-Alder reaction Metallocyclodextrins and related species
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目次A new route to papaverine analogs via photocyclization of substituted N-acyl-α-dehydrophenylalaninamides (7R,8S) and (7S,8R) 8-5’ linked neolignans from egyptian herbal medicine anastatica hierochuntica and inhibitory activities of lignans on nitric oxide production Synthesis of 5-(4-aryl)-2-phenyl-5,6-dihydrobenzo[b][1,5]oxazocin-4-ones A simple preparative method of N-arylindigos and substitution effect in UV/visible absorption Thermal rearrangement of 3-hydroxy-1h,3h-quinoline-2,4-diones to 3-acyloxy-2,3-dihydro-1h-indol-2-ones A convenient diversification of pyrrolo[2,3-b]quinolines by iodonation and palladium-catalyzed coupling reactions Synthesis of (S)-vasicol and (S)-3-hydroxy-2-pyrrolidinone Stereoselective conjugate addition of metallated 2-methylpyridine to functionalized α,β-unsaturated carbonyl compounds Synthesis of 1,2-benzisothiazolin-3-one by transamination of sulfenamides Synthesis of (±)-rolipram Pyridazine derivatives and related compounds part 9 : tetrazolo[1,5-b]pyridazine-8-carbohydrazide synthesis and some reactions Constituents of the leaves of Petasites formosanus and their antioxidative activity Facile synthesis of diarylpyrazines using Suzuki coupling of dichloropyrazines with aryl boronic acids Ytterbium triflate-catalysed synthesis of ethyl 1,2,3,4-tetrahydroisoquinoline-1-carboxylates using ethyl chloro(phenylselanyl)acetate Structural equilibrium and ring-chain tautomerism of aqueous solutions of 4-aminobutyraldehyde A new pyranocoumarin from Peucedanum praeruptorum Photoinduced electron transfer reactions in heterocyclic chemistry
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目次New strategy to antiviral agents from peptide nucleic acid derivatives Useful synthesis of the longer array oxazole rings for telomestatin Preparation of 6-phenyl- and 8-phenyl tetrahydro-isoquinolines from boldine Nucleophilic substitution reaction of N-2-(1-hydroxyindol-3-yl)ethylindole-3-acetamide and -1-hydroxyindole-3-acetamide A facile and practical procedure for the stereoselective synthesis of (Z)-3-quinuclidinylideneacetic acid derivative Synthesis of substituted dibenzoxazepines and dibenzthiazepine using of 4-bromo-5-nitrophthalonitrile Photochemistry of 2-indolyl aryl ethers : an unexpected rearrangement leading to C-C bond formation Reductive cleavage of fused isoxazoles with chlorotrimethylsilane/sodium iodide : a convenient route to 3,4-disubstituted isoxazoles Phenolic glycosides from rhizomes of Smilax glabra A new 16N-carboxyethyl derivative of 3,12-dihydroroquefortin Chemical constituents of the stem of Sargentodoxa cuneata Synthesis and crystallographic studies of new acridinic esters and amides : an efficient synthetic route to 4-methyl functionalized acridines Thermal rearrangement of phenyl-substituted ketene ethylene acetals Isolation and identification of an unusual impurity in an intermediate of Rimadyl (carprofen) Synthesis of benzo[1,2-b:5,4-b’]dithiophene-4,8-dione derivatives A-type proanthocyanidins from the bark of Parameria laevigata Diospolysaponin A, a new polyoxygenated spirostanol saponin from the tubers of dioscorea polygonoides
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目次Spectamines A and B, possible inhibitors of superoxide anion production of macrophages from Cassia spectabilis Synthesis and cytotoxic activity of N-acetylated triindolylmethanes Hydrolysis of N,N-dimethylenamines : stereospecific synthesis of their enol and enol ester derivatives Synthesis of 6-substituted imidazo[4,5-d]pyridazin-7-ones Synthesis and dopamine receptor binding of some pyrazolo[3',4':6,7]azepino[5,4,3-cd]indoles 4-hydroxycoumarin and related systems : sitoselectivity of the mitsunobu reaction with prenyl alcohols Synthesis and COX-2 inhibitory activities of rutaecarpine homologues Synthesis of 2-(5-amidinobenzoxazol-2-yl)-5-(4-amidinophenyl)furan and 2-(5-amidinobenzoxazol-2-yl)-5-(4-amidinophenyl)thiophene to test a DNA minor groove dimer binding model Novel synthesis of 5-oxomorpholine derivative by cyclization of Δ¹-dehydrodipeptide Nitrothioquinanthrenes and their S-oxides Oxidative cyclization of dithiobiuret under basic condition and theoretical tautomeric studies of 5-amino-2,3-dihydro-1,2,4-thiadiazole-3-thione Water-soluble melatonins : syntheses of melatonins carrying a glycosyl group at the 1-position Dependence of ring size on conditions in cyclization of 4-methylaminobenzoic acid by dichlorotriphenylphosphorane Improved, efficient synthesis for multigram-scale production of PSD-10, a potent antagonist at human A₃ adenosine receptors (+)-viniferol D, a new stilbenetrimer from the stem of Vitis vinifera 'Kyohou' Design and synthesis of a novel cyclophane as host for biologically relevant phosphates Synthesis of 4-substituted indolizidin-9-one amino acid derivatives Microwave-assisted synthesis of aryl and heteroaryl derivatives of benzimidazole Synthesis and reactions of 4-chloro-1,2-dihydro-6-methyl-2-oxo-3-pyridinecarbonitrile An efficient conversion of catechine into 3,4-trans-leucocyanidin Synthesis, structural analysis and reactivity of 1,3-oxathiane derivatives
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目次A novel heterocumulenic Pauson-Khand reaction of alkynylcarbodiimides : a facile and efficient synthesis of heterocyclic ring-fused pyrrolinones Indoloquinones part 8 : palladium(Ⅱ)-catalyzed total synthesis of murrayaquinone A, koeniginequinone A, and koeniginequinone B Synthesis and crystal structure of new dinitro derivatives of sesquiterpene lactone achillin High yield synthesis, separation and structural characterization of new [N+N]-polyazamacrocycles A new addition-rearrangement of [1,4]thiazine-2-thiones with aryl-1,2,4-triazoline-3,5-diones A novel substitution reaction of tetrahydropyrano[3,4-b]indole derivative : chain extension and structural correlation study Nucleophilic reactions at optically active bis(4-methyl-5-phenyl-1,3-oxazolidin-3-yl)methane Equilibrium between bis(1,3-oxazolidin-3-yl)methanes and 3,8-dioxa-1,6-diazabicyclo[4.4.1]undecanes Synthesis of metabolites of the prodrug 2,5-bis(4-O-methoxyamidinophenyl)furan Oxovanadium complexes of N-substituted 3-hydroxy-2-methyl-4(1H)-pyridinones : synthesis, spectroscopic characterization, and the insulin-mimetic activity Transformations of methyl 2-benzoylamino-2-oxobutanoate. the synthesis of oxazolo[4,5-c]quinoline and 1-substituted 1H-imidazole-4-carboxylate derivatives Stereoselective synthesis of trans-4,5-disubstituted oxazolidin-2-ones by intramolecular conjugate addition of N-p-toluenesulfonyl carbamates 3-dimethylhydrazono-1,1,1-trifluoro-2-propanone as a useful synthetic equivalent of trifluoropyruvaldehyde : application to synthesis of fluorine-containing heterocycles A facile synthesis of indoloquinazolines New pyrrolizidine alkaloids from Ligularia tsangchanensis 9-o-deacetylumbraculolide A, a new diterpenoid from the gorgonian Junceella fragilis Formal synthesis of anisomycin Syntheses of 4-selenazolones : hetero Diels-Alder reaction of the selenazadienes with DMAD A concise synthesis of an AHR endogenous ligand with the indolecarbonylthiazole skeleton 1,2,3-triazole formation under mild conditions via 1,3-dipolar cycloaddition of acetylenes with azides
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目次Preparation of chiral 5,6-trans-disubstituted phenanthrolines from phenanthroline-5,6-epoxide [2π+2σ] type cycloaddition reactions of naphtho[b]cyclopropene with imine or carbonyl derivatives conjugated with heteroaromatic ring to form naphtho[b]dihydropyrroles or furans Size selective recognition of anions by a tetracationic imidazoliophane π-facial selectivity in Diels-Alder reactions of cross-conjugated ketones bearing an oxa-spiro-ring with sterically undemanding dienes Synthesis of chiral 3,4-disubstituted pyrroles from L-amino acids A new synthesis of 4-alkyl/aryl-5,6-dihydro-2H-pyrano[3,2-c]quinoline-2,5-diones and molecular rearrangement of their 3-bromo derivatives to 2-alkyl/aryl-4-oxo-4,5-dihydrofuro[3,2-c]quinoline-3-carboxylic acids Regioselective synthesis of demethoxyisoacronycine involving nucleophilic addition to benzyne Benzopyrans part 44 : synthesis of 3-(4-oxo-4h-1-benzopyran-2-yl)indolizines Synthesis and biological evaluation of triazolo[4,5-g]quinolines, imidazo[4,5-g]quinolines and pyrido[2,3-g]quinoxaline part Ⅱ Control of the fading properties of photochromic 3,3-diaryl-3h-naphtho[2,1-b]pyrans Diastereoselective synthesis and structure of spirooxindole derivatives Synthesis of new melatonin analogues from dimers of azaindole and indole by use of Suzuki homocoupling Ethyl vinyl ether : an agent for protection of the pyrazole NH-fragment : a convenient method for the preparation of N-unsubstituted 4-alkynylpyrazoles Dopamine/serotonin receptor ligands Ⅵ : dibenz[g,J]-1-oxa-4-azacycloundecene and dibenz[d,g]-2-azacycloundecene : synthesis of two new heterocyclic ring systems as potential ligands for dopamine receptor subtypes A new method for synthesis of crown ether type pyridinophanes Two new constituents from the bark of Holarrhena pubescens Nortropane alkaloids from the leaves of Erythoxylum moonii Pyrido[3,4-b]pyrazines : a new application of 2-chloro-3,4-diaminopyridine Ent-kaurane diterpenoids from Isodon rubescens var. lushiensis Convenient synthesis of furopyranopyrandione derivatives by the CAN-mediated furan ring formation C-alkylated coumarin and coumarin glycoside from Daphne oleoides Improved oxidation of active methyl group of N-heteroaromatic compounds by selenium dioxide in the presence of tert-butyl hydroperoxide 3-phenyl-l-menthopyrazole [(4R,7S)-7-isopropyl-4-methyl-3-phenyl-4,5,6,7-tetrahydroindazole] : a new type of chiral auxiliary
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目次Formation of 3,4,5,6-tetrahydro-7-hydroxy-6-methyl-1H-azepino[5,4,3-cd]indole in the reaction of serotonin with acetaldehyde in water in the presence of either L-amino acid, nicotine or fluoride A study of the alkylation and rearrangement products of chiral 1,3-oxazolidine- and thiazolidine-2-thiones Synthesis of quinoxaline 1,4-dioxides from benzofuroxan proceeds not in, but on zeolite Photochemistry of heterocyclic enaminones : an alternative and efficient route to cryptolepine alkaloid framework One-pot dry media synthesis of new tetracyclic 1,5-benzothiazepines under microwave activation Acid assisted reactions of 1,2-dihydro-2-(4,5-dihydroimidazol-2-yl)phthalazin-1-ol with aryl(heteroaryl) methyl ketones 1-methyl-3-trimethylsilylparabanic acid as an effective reagent for the preparation of N-substituted (1-methyl-2,5-dioxo-1,2,5h-imidazolin-4-yl)amines and its application to the total synthesis of isonaamidines A and C, antitumor imidazole alkaloids Two dihydropyranocoumarins from Peucedanum wawrii Synthesis and identification of a novel 6,5,6-tricyclic lactam On the synthesis of two dimethoxy-1,3,4,5-tetrahydropyrrolo[4,3,2-de]quinoline regioisomers New sesquiterpene lactones from Hemisteptia lyrata Bunge New C₁₉-diterpenoid alkaloids from Aconitum liljestrandii Meta-substituent effects on the photocyclization of aryl-substituted N-acyl-α-dehydroalanine derivatives New oleanane-type triterpene saponins from Millettia speciosa Methods for the synthesis of oligothiophenes Terpenoid coumarins of the genus Ferula
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目次Introduction of an N1 unit to monoenes or 1,6-dienes using Chloramine-T-silver nitrate : a new route to aziridines or bicyclic pyrrolidines First isolation of cis- and trans-1,3,4-selenadiazolines from pivarophenone hydrazones Facile synthesis of unsymmetrical 1,1-diamino-2-nitroethenes and functionalized amidoximes Chemistry of indoles carrying a basic function part Ⅶ : a new aspect of Stobbe reaction Useful synthesis of various thiazole and polythiazolyl derivatives from thiocarboxamide and β-bromoacyl compound Synthesis of thieno[2,3-b]pyrazines via an acylation : deacylation process of 3,4-dihydro precursors Acylated cyanidin glycosides from the purple-red flowers of Anemone coronaria A new synthetic method for substituted 2,4-dihydro-3H-1,2,4-triazol-3-ones and 3-thiones via 1,4-dialkyl-5-phenylthio-1H-1,2,4-triazolium salts Novel [12+2] cycloaddition of 2H-4,9-methanocycloundeca[b]furan-2-ones with enamines : synthesis and properties of 4,9-methanocyclopentacycloundecenes and a benzo-annulated derivative Three new eremophilenolides from Ligularia hiberniflorum (Makino) Kitam. Electrophilic substitution in indoles part 20 : hammett correlations of the coupling of aryldiazonium tetrafluoro- borates with indole and its 1-, 2- and 3-methyl derivatives Synthesis of 4-[4-(N,N-dimethylsulfamoyl)piperazin-1-yl]quinolines derivatives as sorbitol dehydrogenase potential inhibitors Constituents of leaves of Phellodendron chinense var. glabriusculum Synthesis of an annulenoannulenone, 3H-benzo[e]cycl[3.3.2]azin-3-one The one-pot conversion of pyrimidinone derivatives into substituted pyrimidines using diphenylphosphinic chloride under a mild condition Molecular complexes of heteroaromatic N-oxides and their reactions with nucleophiles Synthetic utilities of N-acylpyrazoles
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目次Synthesis of 2(3H)-benzoxazolone derivatives as potential melatonin receptor ligands One pot syntheses of substituted naphthyridines and 2H-pyrano[3,2-g]quinolin-2-ones in water Stereoselective intramolecular azide 1,3-dipolar cycloaddition Synthesis and X-ray analysis of new 1,5-benzodiazepinium picrates Selective nucleophilic substitutions on tetrazines A new tetracyclic ring system of biological interest : indolo[3,2-e][1,2,3]triazolo[1,5-a]pyrimidines through domino reactions of 2-azidoindole Synthesis of 2H-1,2,3-triazolo[4,5-d]pyrimidine-5,7-diones from uracils using cyclization reaction of β-azo-α,β-unsaturated sulfilimines Nuclear magnetic resonance spectroscopical studies of 2-carbonyl derivatives of five-membered monoheterocycles and determination of aromaticity indices Enantioselective synthesis of the tetrahydrobenzylisoquinoline alkaloid (-)-norarmepavine using polymer supported reagents Catalytic hydrogenation of 8-acyloxy-1-cyanoisoquinoline and synthesis of 9-methoxy-9-deethoxycribrostatin 6 Synthesis of pyridopyrrolo[2,1-a]isoindoles by palladium-catalyzed annulation Preparation of 2'-3'-epimino-carbocyclic nucleosides based on 2-azabicyclo[2.2.1]hept-5-en-3-one New chiral synthesis of methyl and allyl disubstituted butyro lactone : a formal synthesis of (-)-ngaione Synthesis of 1,4,6-trisubstituted 2[1H]-pyrimidineselenones Synthesis of 5-substituted indole derivatives part 5 : a synthesis of 5-formyl-1H-indole-2-carboxylates : the CH₂SO₃H functionality as a masked formyl group Four new isoflavonoids and a new 2-arylbenzofuran from the roots of Erythrina variegata Improved, rapid and efficient synthesis of polymethoxyflavones under microwave irradiation and their inhibitory effects on melanogenesis
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目次Synthesis of furazane conjugated new heterocycles Hydrothermolysis of the fully benzylated α-cyclodextrin Concise synthesis of pyrrolophenanthridine alkaloids using a Pd-catalyzed biaryl coupling reaction with regioselective C-H activation Efficient synthesis of 3,4-dihydropyrimidin-2(1H)-ones over silica sulfuric acid as a reusable catalyst under solvent-free conditions Synthesis of 5-substituted indole derivatives part 4 : naratriptan from α-anilinoacetaldehyde dimethylacetal by TiCl₄-mediated cyclisation Highly fluorescent heterocycles based on pyrazino fused 1,4,5,8-tetraazafulvalenes 5-alkynyl-4-chloro- and 4-alkynyl-5-chloro-2-methylpyridazin-3(2H)-ones : convenient precursors for the preparation of 2-substituted pyrrolo[2,3-d]pyridazinones A stereoselective approach to both 3,4-trans-disubstituted pyrrolidin-2-ones and pyrrolidines : a convenient synthesis of (3R,4R)-4-benzyl-3-pyrrolidinecarboxylic acid Synthesis of multi-substituted pyrazoles utilizing the N-alkylated 3-hydroxy-3-propargyl- or allenylisoindolines Synthesis of the tetrahydropteridine-2,4-dione having a substituted methyl group at 6-position Synthesis of 8,9,10,11-tetrahydroindolo[2,1-c]benzo[1,2,4]triazine. a new ring syntem Synthesis and crystal structure of 2',4''-o-bis(trimethylsilyl)erythromycin A 9-O-(1-isopropoxycyclohexyl) oxime Synthesis and characterization of a new metal-free azaphthalocyanine containing four peripheral ion jacks Reactions of 9-phosphorylacridines with aqueous hydrogen peroxide accompanied by weak chemiluminescence : remarkable substituent effect on emission efficiency Synthesis of novel chiral spiro bis(pyrazole) ligands Flavonol glycosides in two Diospyros plants and their radical scavenging activity
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