1) LNA 5[prime or minute]-phosphoramidites for 5[prime or minute][rightward arrow]3[prime or minute]-oligonucleotide synthesis (Organic & Biomolecular Chemistry) Friday September 3rd 2010 2) Radiolytic cyclization of stem-and-loop structured oligodeoxynucleotide with neighboring arrangement of [small alpha],[small omega]-bis-disulfides (Organic & Biomolecular Chemistry) Friday September 3rd 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 3) Design, synthesis and biological evaluation of carbohydrate-functionalized cyclodextrins and liposomes for hepatocyte-specific targeting (Organic & Biomolecular Chemistry) Thursday September 2nd 2010 4) Diastereoselective syntheses of 3-aryl-5-(arylalkyl)-6-methyl-1-(1-phenylethyl)thioxotetrahydropyrimidin-4(1H)-ones: A stereochemical perspective from endo and exocyclic chiral centres (Organic & Biomolecular Chemistry) Thursday September 2nd 2010 5) Reaction of heterocyclic enamines with nitrile oxide and nitrilimine precursors (Organic & Biomolecular Chemistry) Wednesday September 1st 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 6) Straightforward synthesis of enantiopure (R)- and (S)-trifluoroalaninol (Organic & Biomolecular Chemistry) Wednesday September 1st 2010 7) Concise syntheses of selective inhibitors against [small alpha]-1,3-galactosyltransferase (Organic & Biomolecular Chemistry) Wednesday September 1st 2010 8) Enantioselective formal [2+2] cycloaddition of ketenes with nitroso compounds catalyzed by N-heterocyclic carbenes (Organic & Biomolecular Chemistry) Wednesday September 1st 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 9) Domino reactions initiated by intramolecular hydride transfers from tri(di)arylmethane fragments to ketenimine and carbodiimide functions (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 10) A ligand-free copper (1) catalysed intramolecular N-arylation of diazoaminobenzenes in PEG-water: an expeditious protocol towards regiospecific 1-aryl benzotriazoles (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 11) Pyrimidine based highly sensitive fluorescent receptor for Al3+ showing dual signalling mechanism (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 12) Effect of substituents of alloxazine derivatives on the selectivity and affinity for adenine in AP-site-containing DNA duplexes (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 13) Highly efficient macrolactonization of [small omega]-hydroxy acids using benzotriazole esters: synthesis of Sansalvamide A (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 14) Asymmetric synthesis of chiral cyclic amine from cyclic imine by bacterial whole-cell catalyst of enantioselective imine reductase (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 15) Radical formation of amino acid precursors in interstellar regions? Ser, Cys and Asp (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 16) An expedient and facile route for the general synthesis of 3-aryl substituted 1,2,3-triazolo[1,5-a][1,4]benzodiazepin-6-ones and 1,2,3-triazolo[1,5-a][1,5]benzodiazocin-7-ones (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 17) Selective inhibition of ADAR2-catalyzed editing of the serotonin 2c receptor pre-mRNA by a helix-threading peptide (Organic & Biomolecular Chemistry) Tuesday August 31st 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 18) Synthesis of 1,2-annulated and 1,2-unsubstituted pyrrolo[2,1,5-de]quinolizin-5-ones (cycl[3.3.2]azin-5-ones) via [3+2] cycloadditions of 1-oxoquinolizinium ylides with cyclic alkenes (Organic & Biomolecular Chemistry) Thursday August 26th 2010 19) Understanding the mechanism of stereoselective synthesis of cyclopentenes via N-heterocyclic carbene catalyzed reactions of enals with enones (Organic & Biomolecular Chemistry) Thursday August 26th 2010 20) Regiospecific synthesis of functionalised 1,3-diarylisobenzofurans via palladium- and rhodium-catalysed reaction of boronic acids with o-acylbenzaldehydes under thermal or microwave activation (Organic & Biomolecular Chemistry) Thursday August 26th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 21) A simple method for the preparation of propargylamines using molecular sieve modified with copper(ii) (Organic & Biomolecular Chemistry) Wednesday August 25th 2010 22) Direct synthesis of [small alpha]-bromoketones from alkylarenes by aerobic visible light photooxidation (Organic & Biomolecular Chemistry) Wednesday August 25th 2010 23) AAZTA-based bifunctional chelating agents for the synthesis of multimeric/dendrimeric MRI contrast agents (Organic & Biomolecular Chemistry) Wednesday August 25th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 24) Trifluoromethylated cyclic-ADP-ribose mimic: synthesis of 8-trifluoromethyl-N1-[(5[prime or minute][prime or minute]-O-phosphorylethoxy)methyl]-5[prime or minute]-O-phosphorylinosine-5[prime or minute],5[prime or minute][prime or minute]-cyclic pyrophosphate (8-CF3-cIDPRE) and its calcium release activity in T cells (Organic & Biomolecular Chemistry) Wednesday August 25th 2010 25) Synthesis and application of 4-[18F]fluorobenzylamine: A versatile building block for the preparation of PET radiotracers (Organic & Biomolecular Chemistry) Wednesday August 25th 2010 26) Synthesis of the core ring system of the stemona alkaloids by cascade condensation, cyclization, intramolecular cycloaddition (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 27) Studies on the reaction of glutathione and formaldehyde using NMR (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 28) Synthesis and biological evaluation of new penta- and heptacyclic indolo- and quinolinocarbazole ring systems obtained via Pd0 catalysed reductive N-heteroannulation (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 29) EPR and ENDOR spectroscopic study of the reactions of aromatic azides with gallium trichloride (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 30) Combination of chiroptical, absorption and fluorescence spectroscopic methods reveals multiple, hydrophobicity-driven human serum albumin binding of the antimalarial atovaquone and related hydroxynaphthoquinone compounds (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 31) Reversible circularization of an anthracene-modified DNA conjugate through bimolecular triplex formation and its analytical application (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 32) Tin(ii) chloride assisted synthesis of N-protected [gamma]-amino [small beta]-keto esters through semipinacol rearrangement (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 33) NHC-catalysed annulation of enals to tethered dienones: efficient synthesis of bicyclic dienes (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 34) Syntheses, structural characterization and CO releasing properties of boranocarbonate [H3BCO2H]- derivatives (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 35) Rauhut-Currier type homo- and heterocouplings involving nitroalkenes and nitrodienes (Organic & Biomolecular Chemistry) Tuesday August 24th 2010 0 comments, related, 1 Up Vote 0 comments, related, 2 Up Votes 0 comments, related, 2 Up Votes 36) Heronamides A-C, new polyketide macrolactams from an Australian marine-derived Streptomyces sp. A biosynthetic case for synchronized tandem electrocyclization (Organic & Biomolecular Chemistry) Monday August 23rd 2010 37) A highly efficient asymmetric Michael addition of [small alpha],[small alpha]-disubstituted aldehydes to maleimides catalyzed by primary amine thiourea salt (Organic & Biomolecular Chemistry) Monday August 23rd 2010 38) Controlling Ring Translation of Rotaxanes (Organic & Biomolecular Chemistry) Monday August 23rd 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 39) The organocatalytic two-step synthesis of diversely functionalized tricyclic tetrazoles (Organic & Biomolecular Chemistry) Monday August 23rd 2010 40) Regioselective syntheses of fully-substituted 1,2,3-triazoles: the CuAAC/C-H bond functionalization nexus (Organic & Biomolecular Chemistry) Monday August 23rd 2010 41) Effective construction of quaternary stereocenters by highly enantioselective [small alpha]-amination of branched aldehydes (Organic & Biomolecular Chemistry) Monday August 23rd 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 42) Total synthesis of cis-reticulatacin-10-ones A and B: absolute stereochemical assignment (Organic & Biomolecular Chemistry) Monday August 23rd 2010 43) Synthesis and solid state structure of a hydrazone-disulfide macrocycle and its dynamic covalent ring-opening under acidic and basic conditions (Organic & Biomolecular Chemistry) Friday August 20th 2010 44) Preparation of FRET reporters to support chemical probe development (Organic & Biomolecular Chemistry) Friday August 20th 2010 0 comments, related, 2 Up Votes 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 45) An enantioselective total synthesis of natural antibiotic marasin (Organic & Biomolecular Chemistry) Thursday August 19th 2010 46) An allosteric heteroditopic receptor for neutral guests and contact ion pairs with a remarkable selectivity for ammonium fluoride salts (Organic & Biomolecular Chemistry) Thursday August 19th 2010 47) Regioselective synthesis of di-C-glycosylflavones possessing anti-inflammation activities (Organic & Biomolecular Chemistry) Thursday August 19th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 48) Quantum chemical dissection of the classic terpinyl/pinyl/bornyl/camphyl cation conundrum-the role of pyrophosphate in manipulating pathways to monoterpenes (Organic & Biomolecular Chemistry) Thursday August 19th 2010 49) The biphenyl-monitored effective size of unsaturated functional or fluorinated ortho substituents (Organic & Biomolecular Chemistry) Thursday August 19th 2010 50) Highly efficient and enantioselective biotransformations of [small beta]-lactam carbonitriles and carboxamides and their synthetic applications (Organic & Biomolecular Chemistry) Thursday August 19th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 51) Asymmetric transfer hydrogenation of ketones catalyzed by rhodium complexes containing amino acid triazole ligands (Organic & Biomolecular Chemistry) Thursday August 19th 2010 52) Influence of chirality using Mn(iii) salen complexes on DNA binding and antioxidant activity (Organic & Biomolecular Chemistry) Wednesday August 18th 2010 53) Concise and very efficient synthesis of the N-methylwelwistatin tetracyclic core based on an anionic domino process (Organic & Biomolecular Chemistry) Wednesday August 18th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 54) What is the conformation of physiologically-active dinucleoside polyphosphates in solution? Conformational analysis of free dinucleoside polyphosphates by NMR and molecular dynamics simulations (Organic & Biomolecular Chemistry) Tuesday August 17th 2010 55) Rational design of visible and NIR distyryl-BODIPY dyes from a novel fluorinated platform (Organic & Biomolecular Chemistry) Tuesday August 17th 2010 56) Tellurium: an element with great biological potency and potential (Organic & Biomolecular Chemistry) Tuesday August 17th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 57) Synthetic use of the primary kinetic isotope effect in hydrogen atom transfer: generation of [small alpha]-aminoalkyl radicals (Organic & Biomolecular Chemistry) Tuesday August 17th 2010 58) Efficient conversion of triacylglycerols and fatty acids to biodiesel in a microwave reactor using metal triflate catalysts (Organic & Biomolecular Chemistry) Tuesday August 17th 2010 59) Manganese catalyzed cis-dihydroxylation of electron deficient alkenes with H2O2 (Organic & Biomolecular Chemistry) Monday August 16th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 60) Convenient and clean synthesis of imines from primary benzylamines (Organic & Biomolecular Chemistry) Monday August 16th 2010 61) Radical routes to interstellar glycolaldehyde. The possibility of stereoselectivity in gas-phase polymerization reactions involving CH2O and [radical dot]CH2OH (Organic & Biomolecular Chemistry) Monday August 16th 2010 62) The influence of a 1,1-diarylvinyl moiety on the photochromism of naphthopyrans (Organic & Biomolecular Chemistry) Monday August 16th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 63) 5,5[prime or minute]-Dimethyl-3,3[prime or minute]-azoisoxazole as a new heterogeneous azo reagent for esterification of phenols and selective esterification of benzylic alcohols under Mitsunobu conditions (Organic & Biomolecular Chemistry) Monday August 16th 2010 64) Two-photon fluorescence imaging of DNA in living plant turbid tissue with carbazole dicationic salt (Organic & Biomolecular Chemistry) Monday August 16th 2010 65) Copper-catalyzed aminobromination/elimination process: an efficient access to [small alpha],[small beta]-unsaturated vicinal haloamino ketones and esters (Organic & Biomolecular Chemistry) Monday August 16th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 66) 15N-Labeled ionic probes for bioanalytical mass spectrometry (Organic & Biomolecular Chemistry) Friday August 13th 2010 67) Synthesis and characterization of an O6-2[prime or minute]-deoxyguanosine-alkyl-O6-2[prime or minute]-deoxyguanosine interstrand cross-link in a 5[prime or minute]-GNC motif and repair by human O6-alkylguanine-DNA alkyltransferase (Organic & Biomolecular Chemistry) Friday August 13th 2010 68) Undecahydro-closo-dodecaborates as good leaving groups in organic synthesis: generation of substituted styrenes via elimination of arylethyl dodecaborates (Organic & Biomolecular Chemistry) Friday August 13th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 69) Arenediazonium tetrafluoroborates in palladium-catalyzed C-P bond-forming reactions. Synthesis of arylphosphonates, -phosphine oxides, and -phosphines (Organic & Biomolecular Chemistry) Friday August 13th 2010 70) Mechanistic investigations of multidentate organocatalyst-promoted counterion catalysis for fast and enantioselective aza-Morita-Baylis-Hillman reactions at ambient temperature (Organic & Biomolecular Chemistry) Thursday August 12th 2010 71) Multicolor fluorescent switches in gel systems controlled by alkoxyl chain and solvent (Organic & Biomolecular Chemistry) Wednesday August 11th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 72) Stereoselective synthesis of the bicyclic guanidine alkaloid (+)-monanchorin (Organic & Biomolecular Chemistry) Tuesday August 10th 2010 73) Computer simulation of reactions in [small beta]-cyclodextrin molecular reactors: transition state recognition (Organic & Biomolecular Chemistry) Monday August 9th 2010 74) Studies on highly regio- and stereoselective hydration of 1,2-allenylic sulfoxides (Organic & Biomolecular Chemistry) Monday August 9th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 75) Primary 1,2-diamine catalysis III: an unexpected domino reaction for the synthesis of multisubstituted cyclohexa-1,3-dienamines (Organic & Biomolecular Chemistry) Monday August 9th 2010 76) Splitting of [small beta]-carotene in the sexual interaction of Phycomyces (Organic & Biomolecular Chemistry) Monday August 9th 2010 77) Pyrrolizine-1,3-dione (Organic & Biomolecular Chemistry) Friday August 6th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 78) A universal and ready-to-use heterotrifunctional cross-linking reagent for facile synthetic access to sophisticated bioconjugates (Organic & Biomolecular Chemistry) Friday August 6th 2010 79) Chiral sulfur derivatives in the allylation of acyl hydrazones: C2-symmetric bis-sulfinamides as enhanced chiral organic promoters. (Organic & Biomolecular Chemistry) Friday August 6th 2010 80) Inverted regioselectivity of C-H amination: Unexpected oxidation at [small beta]- rather than [gamma]-C-H (Organic & Biomolecular Chemistry) Wednesday August 4th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 81) Asymmetric trimethine 3H-indocyanine dyes: efficient synthesis and protein labeling (Organic & Biomolecular Chemistry) Wednesday August 4th 2010 82) Intramolecular cycloaddition in 6,6-spiroepoxycyclohexa-2,4-dienone: simple aromatics to (+/-)-Platencin (Organic & Biomolecular Chemistry) Wednesday August 4th 2010 83) Towards the total synthesis of calyculin C: preparation of the C9-C25 spiroketal-dipropionate unit (Organic & Biomolecular Chemistry) Wednesday August 4th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 84) Facile glycosylation strategy with two-stage activation of allyl glycosyl donors. Application to concise synthesis of Shigella flexneri serotype Y O-antigen (Organic & Biomolecular Chemistry) Tuesday August 3rd 2010 85) Sequential combination of Michael and acetalization reactions: direct catalytic asymmetric synthesis of functionalized 4-nitromethyl-chromans as drug intermediates (Organic & Biomolecular Chemistry) Monday August 2nd 2010 86) Modification at a boron unit: tuning electronic and optical properties of [small pi]-conjugated acyclic anion receptors (Organic & Biomolecular Chemistry) Friday July 30th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 87) Calix[4]pyrrole-based anion transporters with tuneable transport properties (Organic & Biomolecular Chemistry) Friday July 30th 2010 88) Synthesis of 5-amino- and 5-hydroxy-3,3-difluoropiperidines (Organic & Biomolecular Chemistry) Thursday July 29th 2010 89) Diastereoselective hydrophosphonylation of imines using (R,R)-TADDOL phosphite. Asymmetric synthesis of [small alpha]-aminophosphonic acid derivatives (Organic & Biomolecular Chemistry) Thursday July 29th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 90) Synthesis of 5,6-dihydropyrrolo[2,1-a]isoquinolines featuring an intramolecular radical-oxidative cyclization of polysubstituted pyrroles, and evaluation of their cytotoxic activity (Organic & Biomolecular Chemistry) Thursday July 29th 2010 91) Structural variation of glycolipids from Meiothermus taiwanensis ATCC BAA-400 under different growth temperatures (Organic & Biomolecular Chemistry) Thursday July 29th 2010 92) Structure-activity relationships of a small-molecule inhibitor of the PDZ domain of PICK1 (Organic & Biomolecular Chemistry) Thursday July 29th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 93) Pd-MCM-48: a novel recyclable heterogeneous catalyst for chemo- and regioselective hydrogenation of olefins and coupling reactions (Organic & Biomolecular Chemistry) Thursday July 29th 2010 94) Flow chemistry kinetic studies reveal reaction conditions for ready access to unsymmetrical trehalose analogues (Organic & Biomolecular Chemistry) Thursday July 29th 2010 95) Substituent effect of group 14 elements on the ring-opening reaction of cyclobutene (Organic & Biomolecular Chemistry) Wednesday July 28th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 96) Organosilicon-mediated total synthesis of the triquinane sesquiterpenes (+/-)-[small beta]-isocomene and (+/-)-isocomene (Organic & Biomolecular Chemistry) Wednesday July 28th 2010 97) Platinum-catalyzed cross-dehydrogenative coupling reaction in the absence of oxidant (Organic & Biomolecular Chemistry) Wednesday July 28th 2010 98) Benzoyl radicals from (hetero)aromatic aldehydes. Decatungstate photocatalyzed synthesis of substituted aromatic ketones (Organic & Biomolecular Chemistry) Tuesday July 27th 2010 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote 0 comments, related, 1 Up Vote View: prev | next

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