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Perylene Synthesis by the Parallel Cycloaromatization of Adjacent Enediynes
As part of an investigation into new synthetic routes to poly(peri-naphthalene), the synthesis and cycloaromatization of tetraethynylbiphenyls is described. The... -
Regioselective Carboindation of Simple Alkenes with Indium Tribromide and Ket...
The regioselective carboindation of simple alkenes with indium tribromide and ketene silyl acetals was accomplished. Various alkenes such as ethylene, 1-alkenes, and cyclic... -
Construction of Novel Polycyclic Ring Systems by Transition-Metal-Catalyzed C...
Construction of Novel Polycyclic Ring Systems by Transition-Metal-Catalyzed Cycloisomerization of Ene−Ene−Ynes. Interception of a Carbenoid Intermediate in Skeletal... -
Sagittamides A and B. Polyacetoxy Long-Chain Acyl Amino Acids from a Didemnid...
An unidentified tunicate from Pohnpei, Micronesia, yielded sagittamides A and Bcompounds comprising a long-chain C26 dicarboxylic acid that acylates terminal l-valine and... -
Rational Designs for Highly Proton-Conductive Metal−Organic Frameworks
A novel metal−organic framework (MOF), (NH4)2(adp)[Zn2(ox)3]·3H2O (1) was synthesized and its structure was determined. We propose three types of rational design to introduce... -
A Theoretical Study of the Chorismate Synthase Reaction
: Density functional calculations (B3LYP/6-31+G(d,p)) were carried out to investigate the mechanism of the anti-1,4-elimination of phosphate from... -
The Linkage of Catalysis and Regulation in Enzyme Action. Fluoropyruvate as a...
Pyruvate decarboxylase, a thiamin-diphosphate (ThDP) dependent enzyme from the yeast Saccharomyces cerevisiae (SCPDC), catalyzes the conversion of fluoropyruvate to carbon... -
dedup_wf_001--3685d44630c124ff09605c2c275515fa
This study was undertaken in order to investigate the antioxidant, anti-inflammatory and antimicrobial activities of various fractions and compounds obtained from the bark of P.... -
Development of Chiral Nucleophilic Pyridine Catalysts: Applications in Asymm...
TADMAP (1a), a new chiral DMAP catalyst, has been designed to place a C(3)-benzylic trityl group over one face of the pyridine ring, while a C(3)-benzylic acetoxy group creates... -
dedup_wf_001--a5872e4a60793df7a1620d00ba7b863c
This work reports the first investigation on the physical vapor deposition of thin films of tin sulfide doped lead sulfide (SnS:PbS). In-situ synthesis route using... -
Synthesis of (+)-Complanadine A, an Inducer of Neurotrophic Factor Excretion
A total synthesis of the Lycopodium alkaloid (+)-complanadine A is described. Complanadine A has been shown to induce the secretion of neurotrophic factors from 1321N1 cells,... -
Enantioselective Direct Aza Hetero-Diels−Alder Reaction Catalyzed by Chiral B...
The first chiral Brønsted acid-catalyzed asymmetric direct aza hetero-Diels−Alder reaction has been described. The phosphoric acids, prepared from binol and H8-binol... -
Lithium Diisopropylamide-Mediated Enolizations: Solvent-Independent Rates, S...
Rate studies of a lithium diisopropylamide-mediated ester enolization reveal solvation effects that are not in accord with expectation. Metalations in THF, t-BuOMe, HMPA/THF,... -
Design of an organic chromophore for p-type dye-sensitized solar cells [Errat...
A successful model for the design of efficient dyes for p-type dye-sensitized solar cells (DSSCs) is presented. As an example, a novel and efficient organic dye containing a... -
dedup_wf_001--062354a1a3ec4caaf097a0cdeb8bc738
Due to the interest in the biological properties of marine derived α-galactoglycosphingolipids (α-GalGSLs), a lot of work has focused on the development of their synthesis. Here... -
Antimutagenic activity of flavonoids from Sozuku
Pinocembrin (1) and cardamonin (2) from Sozuku showed a suppressive effect on umu gene expression of SOS response in Salmonella typhimurium TA1535/pSK1002 against the mutagen... -
Domino Coupling Relay Approach to Polycyclic Pyrrole-2-carboxylates
CuBr2-catalyzed three-component coupling of N-benzylallylamine, ethyl glyoxalate, and terminal alkynes afforded glycine-tethered 1,6-enynes, which were further transformed into... -
Steady State Kinetics of Spleen Tyrosine Kinase Investigated by a Real Time F...
Spleen tyrosine kinase (Syk) is a cytoplasmic tyrosine kinase that plays an important signaling role in several types of immune cells. To improve our understanding of the... -
Synthesis of Optically Active Oligonaphthalenes via Second-Order Asymmetric T...
Synthesis of numerous optically active rod-shaped oligo(2,3-dioxyfunctionalized)naphthalenes connected at their 1,4-positions was achieved using oxidative coupling under... -
Bent Ladder-Type Hexaphenylene with Carbazole Core and Spiro Linkage as Stabl...
A bent ladder-type hexaphenylene with a carbazole core and spiro-linkage is designed and synthesized by using the ortho-linked spirobifluorene. The design eliminates the...
