A quantum chemical study on the mechanism of chiral N-oxides-catalyzed Strecker reaction Fulltext Access 10 Pages 2006
Palladium catalysed bis- and tris-cyclisations furnishing fused cyclopropyl carbo/heterocycles Fulltext Access 10 Pages 2006
Theoretical design of dendrimeric fractal patterns for the encapsulation of a family of drugs: salicylanilides Fulltext Access 10 Pages 2006
Synthetic studies on Ecteinascidin-743: synthesis of building blocks through Sharpless asymmetric dihydroxylation and aza-Michael reactions Fulltext Access 10 Pages 2006
Synthesis, complexation studies and biological applications of some novel stilbenophanes, indolophanes and bisindolostilbenophanes via McMurry coupling Fulltext Access 10 Pages 2006
Tandem reduction-olefination of triethyl 2-acyl-2-fluoro-2-phosphonoacetates and a synthetic approach to Cbz-Gly-Ψ[(Z)-CFC]-Gly dipeptide isostere Fulltext Access 10 Pages 2006
Monoaza[5]helicenes. Part 2: Synthesis, characterisation and theoretical calculations Fulltext Access 10 Pages 2006
Synthesis and absolute configuration of brevione B, an allelochemical isolated from Penicillium sp. Fulltext Access 10 Pages 2006
A structure-activity relationship study of brusatol, an antitumor quassinoid Fulltext Access 10 Pages 2006
A scheme estimating the energy of intramolecular hydrogen bonds in diols Fulltext Access 10 Pages 2006
Synthesis of 4-aminomethyl-tetrahydrofuran-2-carboxylates with 2,4-cis and 2,4-trans relationships Fulltext Access 10 Pages 2006
Stereoselective radical cyclizations of N-(2-halobenzoyl)-cyclic ketene-N,X(X=O, S)-acetals Fulltext Access 10 Pages 2006
Two novel blue pigments with ellagitannin moiety, rosacyanins A1 and A2, isolated from the petals of Rosa hybrida Fulltext Access 10 Pages 2006
Towards new camptothecins. Part 3: Synthesis of 5-methoxycarbonyl camptothecin Fulltext Access 10 Pages 2006
Direct palladium/carboxylic acid-catalyzed allylation of anilines with allylic alcohols in water Fulltext Access 10 Pages 2006
A one-pot access to cycloalkano[1,2-a]indoles through an intramolecular alkyl migration reaction in indolylborates Fulltext Access 10 Pages 2006
Palladium-catalyzed carbonylative cyclization of Baylis-Hillman adducts. An efficient approach for the stereoselective synthesis of 3-alkenyl phthalides Fulltext Access 10 Pages 2006
Facile synthesis of substituted 2,3,4,7-tetrahydro-1H-azepines via ring-closing metathesis Fulltext Access 10 Pages 2006
Synthesis of the CD-ring of the anticancer agent streptonigrin: studies of aryl-aryl coupling methodologies Fulltext Access 10 Pages 2006
A consecutive Diels-Alder approach toward a Tet repressor directed combinatorial library Fulltext Access 10 Pages 2006
One-step construction of carbazoles by way of the palladium-catalyzed double N-arylation reaction and its application to the total synthesis of murrastifoline-A Fulltext Access 10 Pages 2006
DABCO catalyzed reaction of various nucleophiles with activated alkynes leading to the formation of alkenoic acid esters, 1,4-dioxane, morpholine, and piperazinone derivatives Fulltext Access 10 Pages 2006
A new mechanism for oxidation of epigallocatechin and production of benzotropolone pigments Fulltext Access 10 Pages 2006
A multicomponent approach to substituted benzenes involving sequential nickel-catalyzed reactions Fulltext Access 10 Pages 2006
Amino acid-peptide-catalyzed enantioselective Morita-Baylis-Hillman reactions Fulltext Access 10 Pages 2006
Brønsted acid-promoted cyclizations of siloxy alkynes with unactivated arenes, alkenes, and alkynes Fulltext Access 10 Pages 2006
Catalytic asymmetric allylation of aldehydes using the chiral (salen)chromium(III) complexes Fulltext Access 10 Pages 2006
Arene cis-dihydrodiols-useful precursors for the preparation of antimetabolites of the shikimic acid pathway: application to the synthesis of 6,6-difluoroshikimic acid and (6S)-6-fluoroshikimic acid Fulltext Access 10 Pages 2006
Syntheses and Vero toxin-binding activities of carbosilane dendrimers periphery-functionalized with galabiose Fulltext Access 10 Pages 2006
A tandem enyne/ring closing metathesis approach to the synthesis of novel angularly fused dioxa-triquinanes Fulltext Access 10 Pages 2006
C-3 β-lactam carbocation equivalents: versatile synthons for C-3 substituted β-lactams Fulltext Access 10 Pages 2006
Synthesis of α-amino tetrahydropyranyl-, tetrahydrothiopyranyl-, 4- and 3-piperidinyl-phosphonic acids via phosphite addition to iminium ions Fulltext Access 10 Pages 2006
The structural and synthetic implications of the biosynthesis of the calycanthaceous alkaloids, the communesins, and nomofungin Fulltext Access 10 Pages 2006
Synthesis of highly-functionalised pyridines via hetero-Diels-Alder methodology: reaction of 3-siloxy-1-aza-1,3-butadienes with electron deficient acetylenes Fulltext Access 10 Pages 2006
Influence of intramolecular hydrogen bonds in the enzyme-catalyzed regioselective acylation of quinic and shikimic acid derivatives Fulltext Access 10 Pages 2006
Asymmetric epoxidation of 6-cyano-2,2-dimethylchromene on Mn(salen) catalyst immobilized in mesoporous materials Fulltext Access 10 Pages 2006
Catalytic asymmetric epoxidation of α,β-unsaturated N-acylpyrroles as monodentate and activated ester equivalent acceptors Fulltext Access 10 Pages 2006
Ti(III)-promoted cyclizations. Application to the synthesis of (E)-endo-bergamoten-12-oic acids. Moth oviposition stimulants isolated from Lycopersicon hirsutum Fulltext Access 10 Pages 2006
Highly enantioselective hydrogenation of exocyclic double bond of N-tosyloxazolidinones catalyzed by a neutral rhodium complex and its synthetic applications Fulltext Access 10 Pages 2006
Synthesis of 1-deoxyhept-2-ulosyl-glycono-1,5-lactone utilizing α-selective O-glycosidation of 2,6-anhydro-1-deoxy-d-hept-1-enitols Fulltext Access 10 Pages 2006
Synthesis, crystal structures and the preliminary evaluation of the new dibenzotetraaza[14]annulene-based DNA/RNA binding agents Fulltext Access 10 Pages 2006
Introduction of the Aib-Pro unit into peptides by means of the 'azirine/oxazolone method' on solid phase Fulltext Access 10 Pages 2006
Bioactive prenylated xanthones and anthraquinones from Cratoxylum formosum ssp. pruniflorum Fulltext Access 10 Pages 2006
Structural studies and binding properties of pendant diazacoronands-precursors to macrocyclic compounds of planar chirality Fulltext Access 10 Pages 2006
Analogues of cytotoxic squamocin using reliable reactions: new insights into the reactivity and role of the α,β-unsaturated lactone of the annonaceous acetogenins Fulltext Access 10 Pages 2006
The reaction of 4-amino-2-oxazolines with isocyanates and isothiocyanates. Synthesis and X-ray structures of polysubstituted 2-imidazolidinones, 1,3-oxazolidines and 1,3-thiazolidines Fulltext Access 10 Pages 2006
Intrazeolite photooxygenation of chiral alkenes. Control of facial selectivity by confinement and cation-Ï interactions Fulltext Access 10 Pages 2006
Synthesis and anticancer activity studies of novel 1-(2,3-dihydro-5H-1,4-benzodioxepin-3-yl)uracil and (6â²-substituted)-7- or 9-(2,3-dihydro-5H-1,4-benzodioxepin-3-yl)-7H- or 9H-purines Fulltext Access 10 Pages 2006
Cholic acid-based high sensitivity fluorescent sensor for α,Ï-dicarboxylate: an intramolecular excimer emission quenched by complexation Fulltext Access 10 Pages 2006
Oligomers of β-amino acid bearing non-planar amides form ordered structures Fulltext Access 10 Pages 2006
Correlation of calculated halonium ion structures with product distributions from fluorine substituted terminal alkenes Fulltext Access 10 Pages 2006
[6+3] Cycloaddition of pentafulvenes with 3-oxidopyrylium betaine: a novel methodology toward the synthesis of 5-8 fused oxabridged cyclooctanoids Fulltext Access 10 Pages 2006
A general approach to crinine-type Amaryllidaceae alkaloids: total syntheses of (±)-haemanthidine, (±)-pretazettine, (±)-tazettine, and (±)-crinamine Fulltext Access 10 Pages 2006
Regio- and stereoselective double alkylation of β-enamino esters with organolithium reagents followed by one-pot reduction: convenient method for the synthesis of tertiary γ-amino alcohols Fulltext Access 10 Pages 2006
Structure revision of HM-3, an aromatic sesquiterpene isolated from the phytopathogenic fungus Helicobasidium mompa. First total syntheses of HM-3 and HM-4 Fulltext Access 10 Pages 2006
A concise synthesis of (â)-cytoxazone and (â)-4-epi-cytoxazone using chlorosulfonyl isocyanate Fulltext Access 10 Pages 2006
Stereoselective titanium-mediated aldol reactions of (S)-2-tert-butyldimethylsilyloxy-3-pentanone Fulltext Access 10 Pages 2006
Regioselectivity in alkenyl(aryl)-heteroaryl Suzuki cross-coupling reactions of 2,4-dibromopyridine. AÂ synthetic and mechanistic study Fulltext Access 10 Pages 2006
Enantiodivergent synthesis of muricatacin related lactones from d-xylose based on the latent symmetry concept: preparation of two novel cytotoxic (+)- and (â)-muricatacin 7-oxa analogs Fulltext Access 10 Pages 2006
Stereoselective Diels-Alder reactions of 3-phosphonopropenoyl derivatives of 1,3-oxazolidin-2-ones Fulltext Access 10 Pages 2006
Chirality induction of Ï-conjugated chains through chiral complexation Fulltext Access 10 Pages 2006
Stereoselective synthesis of fluoroalkenes via (Z)-2-fluoroalkenyliodonium salts Fulltext Access 10 Pages 2006
Regioselectivity in the 1,3-dipolar cycloaddition of adamantylidenefulvene and its modification by inclusion in cyclodextrins' solutions Fulltext Access 10 Pages 2006
Isoxazoline-carbocyclic aminols for nucleoside synthesis through aza-Diels–Alder reactions Fulltext Access 10 Pages 2006
The role of terminal tyrosine residues in the formation of tripeptide nanotubes: a crystallographic insight Fulltext Access 10 Pages 2006
Asymmetric total synthesis of enantiopure (â)-methyl jasmonate via catalytic asymmetric intramolecular cyclopropanation of α-diazo-β-keto sulfone Fulltext Access 10 Pages 2006
Monosubstituted thermotropic ferrocenomesogens containing heterocyclic pyrazole Fulltext Access 10 Pages 2006
Synthesis of plakevulin A and structure-activity relationships of its related compounds against DNA polymerases Fulltext Access 10 Pages 2006
Correct structures of Diels–Alder adducts from the natural cyclolignan thuriferic acid and its 8-epimer Fulltext Access 10 Pages 2006
Backbone extended pyrrolidine PNA (bepPNA): a chiral PNA for selective RNA recognition Fulltext Access 10 Pages 2006
Practical method for the synthesis of (R)-homopipecolinic acid and (R)-homoproline esters from Ï-chloroalkanoic acids and available chiral amines Fulltext Access 10 Pages 2006
Synthesis and characterization of novel styryl-substituted oligothienylenevinylenes Fulltext Access 10 Pages 2006
1,3-Dipolar cycloaddition of α-alkoxycarbonylnitrones with vinyl ethers and allyl alcohols in the presence of Eu(fod)3: selective activation of (Z)-isomers of the nitrones Fulltext Access 10 Pages 2006
Tröger's base scaffold in racemic and chiral fashion as a spacer for bisdistamycin formation. Synthesis and DNA binding study Fulltext Access 10 Pages 2006
Synthetic oligorhamnans related to the most common O-chain backbone from phytopathogenic bacteria Fulltext Access 10 Pages 2006
Synthesis and utility of new amine/nucleobase addition products of allenylphosphonates Fulltext Access 10 Pages 2006
Efficient microwave-assisted synthesis of highly functionalized pyrimidine derivatives Fulltext Access 10 Pages 2006
Triadic analysis of substituent effects-gas-phase acidity of para-substituted phenols Fulltext Access 10 Pages 2006
Synthesis of optically active amphiphilic tetrathiafulvalene derivatives Fulltext Access 10 Pages 2006
Further studies on enantioselective synthesis of (+)-anatoxin-a using enyne metathesis: unexpected inversion of chirality via a skeletal rearrangement of 9-azabicyclo[4.2.1]nonene derivative Fulltext Access 10 Pages 2006
Selective substitutions in the C10-methyl group in erythromycin derivatives Fulltext Access 10 Pages 2006