Natural Inhibitors of the Aromatase EnzymeN-Alkyl-N-methylacetamidinium Ions. Isomerization and Water Catalyzed Exchange Rates in D2ONaY Zeolite: A Useful Catalyst for Nitrile HydrolysisNovel Coumarin Derivatives with Expected Biological ActivityNiobium Pentachloride Catalysed Ring Opening of Epoxides

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Natural Inhibitors of the Aromatase EnzymeThe results of three years of search for natural aromatase inhibitors will be presented.
N-Alkyl-N-methylacetamidinium Ions. Isomerization and Water Catalyzed Exchange Rates in D2O
NaY Zeolite: A Useful Catalyst for Nitrile HydrolysisThe NaY zeolite catalysed hydrolysis of nitriles to primary amides is reported. It is found that ary
Novel Coumarin Derivatives with Expected Biological ActivityA number of novel 3-bromo-4-methyl-7-methoxy-8-amino substituted coumarins and 2-substituted 7-bromo
Niobium Pentachloride Catalysed Ring Opening of EpoxidesEpoxide ring opening is a frequently required transformation in Organic Synthesis. In this paper we
Nitration Of Phenols Under Mild And Heterogeneous ConditionsNitrophenols can be obtained in moderate to high yields using a combination of Mg(HSO₄)
Natural Products From Sponges of the Genus Agelas - on the Trail of a [2+2]-Photoaddition EnzymeBy specifically targeting sponges likely to contain oroidin derivatives, we have, for the first time
NMR Detection of Isomers Arising from Restricted Rotation of the C-N Amide Bond of N-Formyl-o-toluidine and N,N’-bis-Formyl-o-tolidineFull and unambiguous assignment of all ¹H- and ¹³C-NMR resonances of the isome
Novel Cytotoxic Oxopyridoindolizines: iso-Propyl-7,8,9-trichloro-6,7,8,9-tetrahydro-5-oxopyrido[2,3-a]-indolizine-10-carboxylates (OPIC)A series of eight new alkyl-7,8,9-trichloro-6,7,8,9-tetrahydro-5-oxopyrido[2,3-a]-indolizine-10-carb
Niobium Pentachloride Activation of Enone Derivatives: Diels-Alder and Conjugate Addition ProductsNiobium pentachloride has proven to be a powerful activating agent for Diels-Alder or conjugate addi
New Phenylpropanoid Glucosides from Eucalyptus maculataThree compounds were isolated from the butanol soluble fraction of the resinous exudate from the ste
Natural Products from Three Nudibranchs: Nembrotha kubaryana, Hypselodoris infucata and Chromodoris petechialisNudibranchs are shell-less molluscs that are often brightly colored and seemingly defenseless agains
New Synthetic Approaches to Multifunctional Phenazinium Salt DerivativesTwo different approaches are offered for the synthesis under mild conditions of disubstituted phenaz
Novel Heteroatom-containing Vitamin D3 Analogs: Efficient Synthesis of 1α,25-Dihydroxyvitamin D3-26,23-lactamVitamin D₃ and its synthetic analogs are promising compounds for controlling various type
New Routes to Pyridino[2,3-d]pyrimidin-4-one and Pyridino-[2,3-d]triazolino[4,5-a]pyrimidin-5-one Derivatives2-Thioxopyrimidinyl-5-(N,N-dimethylamino)formamidine (5) and 1,3-diphenyltriazolo[3,4-d]pyr
N-Salicylideneamine Derivatives with TEMPO SubstituentsThree N-salicylideneamine derivatives bearing TEMPO (2,2,6,6-tetra- methyl-1-piperidinyloxy) substit
New π-Delocalized Persistent RadicalsProgress in the theoretical and experimental investigation of heterocyclic radicals suitable for inc
Nitrogen Heterocycles as Building Blocks for New Metallo-supramolecular ArchitecturesThe syntheses of representative examples of five classes of new heterocyclic ligands are described.
Nucleophilic Benzoylation Using a Mandelic Acid Dioxolanone as a Synthetic Equivalent of the Benzoyl Carbanion. Oxidative Decarboxylation of α-HydroxyacidsThe synthesis of alkyl aryl ketones using a mandelic acid dioxolanone as a synthetic equivalent (Ump
New Imide 5-HT1A Receptor Ligands – Modification of Terminal Fragment GeometryTwo sets of new o-methoxyphenylpiperazine (MPP; series a) and 1,2,3,4-tetrahydroisoquinoline (THIQ;

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