Microwave-assisted one-pot U-4CR and intramolecular O-alkylation toward heterocyclic scaffolds Fulltext Access 8 Pages 2006
One-pot regioselective annulation toward 3,4-dihydro-3-oxo-2H-1,4-benzoxazine scaffolds under controlled microwave heating Fulltext Access 8 Pages 2006
Regioselective arylation of 2â²-deoxyribonucleosides on amido or imino sites by copper(II)-mediated direct coupling with arylboronic acids Fulltext Access 8 Pages 2006
Use of zinc enolate, free from other metals, in enantioselective palladium-catalyzed allylic alkylation Fulltext Access 8 Pages 2006
Heteroarenium salts in synthesis. Highly functionalized tetra- and pentasubstituted pyridines Fulltext Access 8 Pages 2006
Synthesis of (tetrahydrofuran-2-yl)acetates based on a 'cyclization/hydrogenation/enzymatic kinetic resolution' strategy Fulltext Access 8 Pages 2006
Direct synthesis of tetrahydropyrans via one-pot Babier-Prins cyclization of allylbromide with carbonyl compounds promoted by RTILs BPyX/SnXâ²2 or BBIMBr/SnBr2 Fulltext Access 8 Pages 2006
'Two-point'-bound supramolecular complexes from semi-rigidified dipyridine receptors and zinc porphyrins Fulltext Access 8 Pages 2006
Synthesis of coumarins by Pt-catalyzed hydroarylation of propiolic acids with phenols Fulltext Access 8 Pages 2006
Leishmanicidal activity of withajardins and acnistins. An experimental and computational study Fulltext Access 8 Pages 2006
Diarylethenes with intramolecular donor-acceptor structures for photo-induced electrochemical change Fulltext Access 8 Pages 2006
Microwave-assisted regioselective olefinations of cyclic mono- and di-ketones with a stabilized phosphorus ylide Fulltext Access 8 Pages 2006
A way to manage the thermal flexibility of ligand candidates for bioassays Fulltext Access 8 Pages 2006
Efficient synthesis of 2,5-diketopiperazines using microwave assisted heating Fulltext Access 8 Pages 2006
Application of the photocyclization reaction of 1,2-cyclopenta-fused pyridinium perchlorate to formal total syntheses of (â)-cephalotaxine Fulltext Access 8 Pages 2006
A nickel(0) catalyzed cycloaddition of alkynes and isocyanates that affords pyrimidine-diones Fulltext Access 8 Pages 2006
Synthesis of enantiopure 1-substituted, 1,2-disubstituted, and 1,4,5-trisubstituted imidazoles from 1,2-amino alcohols Fulltext Access 8 Pages 2006
Total synthesis of (+)-massarinolin B and (+)-4-epi-massarinolin B, fungal metabolites from Massarina tunicata Fulltext Access 8 Pages 2006
Diastereoselective Michael addition of (S)-mandelic acid enolate to 2-arylidene-1,3-diketones: enantioselective diversity-oriented synthesis of densely substituted pyrazoles Fulltext Access 8 Pages 2006
Indirect electrochemical oxidation of piperidin-4-ones mediated by sodium halide-base system Fulltext Access 8 Pages 2006
Synthesis of peptidomimetic-spirostane hybrids via Ugi reaction: a versatile approach for the formation of peptide-steroid conjugates Fulltext Access 8 Pages 2006
Selective syntheses of benzoxazoles and N-(2-hydroxyaryl)pyrrolidin-2-ones from the corresponding cyclopropyl amides with PPh3/CX4 Fulltext Access 8 Pages 2006
Synthesis of substituted 3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine as new scaffolds for potential bioactive compounds Fulltext Access 8 Pages 2006
Sequential Baylis-Hillman reaction and radical cyclization of furanose derivatives: expeditious approach to enantiopure benzo-fused nine-membered oxacycles Fulltext Access 8 Pages 2006
On the reactivity of 2-alkyl-1,3-thiazolium-4-olates toward electrophiles Fulltext Access 8 Pages 2006
Oxobenzo[f]benzopyrans as new fluorescent photolabile protecting groups for the carboxylic function Fulltext Access 8 Pages 2006
Chemoselective hydrogenation method catalyzed by Pd/C using diphenylsulfide as a reasonable catalyst poison Fulltext Access 8 Pages 2006
Catalytic imino Diels-Alder reaction by triflic imide and its application to one-pot synthesis from three components Fulltext Access 8 Pages 2006
New cytotoxic sesquiterpenes from the red algae Laurencia obtusa and Laurencia microcladia Fulltext Access 8 Pages 2006
PEG-400 promoted Pd(OAc)2/DABCO-catalyzed cross-coupling reactions in aqueous media Fulltext Access 8 Pages 2006
Ground state oxygen in synthesis of cyclic peroxides. Part 1: Benzo fused ketals Fulltext Access 8 Pages 2006
Chemistry of dioxine-annelated cycloheptatriene endoperoxides and their conversion into tropolone derivatives: an unusual non-benzenoid singlet oxygen source Fulltext Access 8 Pages 2006
Stereoselective electrocatalytic transformation of malonate and alkylidenecyanoacetates into (E)-3-substituted 2-cyanocyclopropane-1,1,2-tricarboxylates Fulltext Access 8 Pages 2006
Synthesis of analogs of the phenylamino-pyrimidine type protein kinase C inhibitor CGP 60474 utilizing a Negishi cross-coupling strategy Fulltext Access 8 Pages 2006
Synthesis of stereochemical probes for new fluorogenic assays for yeast transketolase variants Fulltext Access 8 Pages 2006
Asymmetric Diels-Alder reactions with hydrogen bonding heterogeneous catalysts and mechanistic studies on the reversal of enantioselectivity Fulltext Access 8 Pages 2006
α-Amido sulfones from natural α-amino acids and their reaction with carbon nucleophiles Fulltext Access 8 Pages 2006
Callipeltins F-I: new antifungal peptides from the marine sponge Latrunculia sp. Fulltext Access 8 Pages 2006
The role of F-N reagent and reaction conditions on fluoro functionalisation of substituted phenols Fulltext Access 8 Pages 2006
Studies on pyrrolidinones. Oxidations and rearrangements in the hexahydrobenz[f]indolizine-3,10-dione series Fulltext Access 8 Pages 2006
Ring expansion of 11H-benzo[b]fluorene-11-methanols and related compounds leading to 17,18-diphenyldibenzo[a,o]pentaphene and related polycyclic aromatic hydrocarbons with extended conjugation and novel architectures Fulltext Access 8 Pages 2006
Chiral recognition of protected amino acids by means of fluorescent binary complex pyrene/heptakis-(6-amino)-(6-deoxy)-β-cyclodextrin Fulltext Access 8 Pages 2006
The mercury-mediated decarboxylation (Pesci reaction) of naphthoic anhydrides investigated by microwave synthesis Fulltext Access 8 Pages 2006
Metallo-phosphorylation of alkenes: a highly regioselective reaction of zirconocene-alkene complexes with chlorophosphate Fulltext Access 8 Pages 2006
Stereoselective total synthesis of (±)-α-vetispirene, (±)-hinesol, and (±)-β-vetivone based on a Claisen rearrangement Fulltext Access 8 Pages 2006
Efficient halogen-lithium exchange reactions to functionalize poly(alkyl aryl ether) dendrimers Fulltext Access 8 Pages 2006
Comparative studies for selective deprotection of the N-arylideneamino moiety from heterocyclic amides: kinetic and theoretical studies. Part 2 Fulltext Access 8 Pages 2006
Intramolecular cyclisation of functionalised heteroaryllithiums. Synthesis of novel indolizinone-based compounds Fulltext Access 8 Pages 2006
Singlet oxygen addition to chiral allylic alcohols and subsequent peroxyacetalization with β-naphthaldehyde: synthesis of diastereomerically pure 3-β-naphthyl-substituted 1,2,4-trioxanes Fulltext Access 8 Pages 2006
New cytotoxic cembranolides: isolation, biogenetic studies, and synthesis of analogues Fulltext Access 8 Pages 2006
Operationally convenient, efficient asymmetric synthesis of enantiomerically pure 4-aminoglutamic acids via methylene dimerization of chiral glycine equivalents with dichloromethane Fulltext Access 8 Pages 2006
Preparation of optically pure fused polycyclic scaffolds by Ugi reaction followed by olefin and enyne metathesis Fulltext Access 8 Pages 2006
Nitroso group transfer from N-nitrososulfonamides to thiolate ions. Intrinsic reactivity Fulltext Access 8 Pages 2006
(4R)-4-Hydroxy-1-nitroso-l-proline: synthesis, X-ray structure, ab initio and conformational calculations Fulltext Access 8 Pages 2006
An alternate approach to quinoline architecture via Baylis-Hillman chemistry: SnCl2-mediated tandem reaction toward synthesis of 4-(substituted vinyl)-quinolines Fulltext Access 8 Pages 2006
Syntheses of metabolites of ethyl 4-(3,4-dimethoxyphenyl)-6,7-dimethoxy-2-(1,2,4-triazol-1-ylmethyl)quinoline-3-carboxylate (TAK-603) Fulltext Access 8 Pages 2006
The use of (â)-8-phenylisoneomenthol and (â)-8-phenylmenthol in the enantioselective synthesis of 3-functionalized 2-azabicyclo[2.2.1]heptane derivatives via aza-Diels-Alder reaction Fulltext Access 8 Pages 2006
Highly regioselective [3,3] rearrangement of aliphatic allyl vinyl ethers catalyzed by a metalloporphyrin complex, Cr(TPP)Cl Fulltext Access 8 Pages 2006
Synthesis of dispirooxindolecycloalka[d]pyrimidino[2,3-b]-thiazole pyrrolidine/thiapyrrolizidine ring systems Fulltext Access 8 Pages 2006
Silver(I) complexes based on novel tripodal thioglycosides: synthesis, structure and antimicrobial activity Fulltext Access 8 Pages 2006
Biocatalytic preparation of enantioenriched 3,4-dihydroxypiperidines and theoretical study of Candida antarctica lipase B enantioselectivity Fulltext Access 8 Pages 2006
Synthesis of functionalized analogs of pyochelin, a siderophore of Pseudomonas aeruginosa and Burkholderia cepacia Fulltext Access 8 Pages 2006
The synthesis and reaction of N-sulfenyl heterocycles: development of effective sulfenylating reagents Fulltext Access 8 Pages 2006
Phloroglucinols, depsidones and xanthones from the twigs of Garcinia parvifolia Fulltext Access 8 Pages 2006
Optically pure trans-2,3-disubstituted N-sulfinyl aziridines. Regio- and stereoselective opening mediated by the sulfinyl group Fulltext Access 8 Pages 2006
Five new isocoumarins from Sonoran desert plant-associated fungal strains Paraphaeosphaeria quadriseptata and Chaetomium chiversii Fulltext Access 8 Pages 2006
Functionalized thiacalix- and calix[4]arene-based Ag+ ionophores: synthesis and comparative NMR study Fulltext Access 8 Pages 2006
Synthesis of β-amino carbonyl compounds via a Zn(OTf)2-catalyzed cascade reaction of anilines with aromatic aldehydes and carbonyl compounds Fulltext Access 8 Pages 2006
Regioselectivity in the formation of norbornene-fused pyrazoles: preparation of 1-substituted derivatives of 4,5,6,7-tetrahydro-1H-4,7-methanoindazole Fulltext Access 8 Pages 2006
First cross-coupling reactions on halogenated 1H-1,2,4-triazole nucleosides Fulltext Access 8 Pages 2006
Application of the combined C-H activation/Cope rearrangement as a key step in the total syntheses of the assigned structure of (+)-elisabethadione and a (+)-p-benzoquinone natural product Fulltext Access 8 Pages 2006
Calix[4]quinones. Part 4: The ClO2 oxidation of calix[4]arene dialkyl ethers Fulltext Access 8 Pages 2006
A general and efficient method for the copper-catalyzed cross-coupling of amides and thiophenols with 6-halogenoimidazo[1,2-a]pyridines Fulltext Access 8 Pages 2006
Unique chlorine effect in regioselective one-pot synthesis of 1-alkyl-/allyl-3-(o-chlorobenzyl) uracils: anti-HIV activity of selected uracil derivatives Fulltext Access 8 Pages 2006
Regiospecific and enantioselective synthesis of methylated metabolites of tea catechins Fulltext Access 8 Pages 2006
Reactions of salicyl N-tosylimines or salicylaldehydes with diethyl acetylenedicarboxylate for the synthesis of highly functionalized chromenes Fulltext Access 8 Pages 2006
Pseudoguaiane-type sesquiterpenes and inhibitors on nitric oxide production from Dichrocephala integrifolia Fulltext Access 8 Pages 2006