bluuebunny/crossref_metadata_2025_split huggingface dataset:
Palladium Catalyzed Carboxylation of Cyclohexane with Carbon Monoxide
Authors: Nakata Kazuyuki , Watanabe Jun , Takaki Ken , Fujiwara Yuzo 
Published: May 2006

Abstract
Very high turnover numbers of the catalyst in direct carboxylation of cyclohexane with CO have been obtained using palladium catalyst, to give 8.8% yield (turnover number 205) of cyclohexanecarboxylic acid based on the starting alkane.
Synthesis of 6-Deoxy-4-O-methyl-6-phenylphosphinyl-D-fructopyranoses. The First P-in-the-Ring Analogs of a Ketose
Authors: Hanaya Tadashi , Okamoto Ryuji , V. Prikhod’ko Yurij , Yamamoto Hiroshi 
Published: May 2006

Abstract
Treatment of D-fructose with 2-methoxypropene–TsOH, followed by tosylation, gave 1,3-O-isopropylidene-6-O-tosyl-α-D-fructofuranose (5). Methyl 6-deoxy-6-[(ethoxy)phenylphosphinyl]-4-O-methyl-α-D-fructofuranoside (8) was derived from 5 in a 3 step sequence (67% overall yield). Compound 8 was converted into the title compounds, which were characterized as the 1,3,5-tri-O- and 1,2,3,5-tetra-O-acetyl derivatives.
Stereospecific One-pot Synthesis of Enamides and Enimides by the Copper Iodide Promoted Vinylic Substitution
Authors: Ogawa Takuji , Kiji Toshiyuki , Hayami Kazuo , Suzuki Hitomi 
Published: May 2006

Abstract
Enamides and enimides were prepared stereospecifically from vinyl bromides by direct vinylic substitution in the presence of copper salt in aprotic polar solvents.
Ytterbium Tricyanide, a Highly Efficient Catalyst for the Addition of Cyanotrimethylsilane to Carbonyl Compounds
Authors: Matsubara Seijiro , Takai Tsutomu , Utimoto Kiitiro 
Published: May 2006

Abstract
Reaction of cyanotrimethylsilane with various carbonyl compounds was effectively catalyzed by Yb(CN)3 to give the adducts in excellent yields; reaction with substituted cyclohexanones proceeded in a highly stereoselective manner.
An Ordering of Complexation Ability for a Series of Permethylated Aldopyranoses with Metal Cations in Solution. 1H-NMR Relaxation Probes
Authors: Takai Yoshio , Shizuma Motohiro , Okumura Yasuo , Hidaka Yukio , Hanafusa Terukiyo , Takahashi Shigetoshi , Sawada Masami 
Published: May 2006

Abstract
By using 1H-NMR relaxation technique, an ordering of complexation ability for a series of permethylated aldopyranoses with metal cations in solution has been determined, which is identical with that of the peak-intensity for the 1:1 adduct ions by FAB mass spectrometry.
Site-Selective Photocyclization of Acetylglycine–Anthraquinone Molecules
Authors: Maruyama Kazuhiro , Hashimoto Masakazu , Tamiaki Hitoshi 
Published: May 2006

Abstract
5-[(N-Acetylglycyl)amino]pentyl, 5-[(N-acetylglycyl-α-methylalanyl)amino]pentyl, and 5-[(N-acetylglycyl-α-methylalanyl-α-methylalanyl)amino]pentyl anthraquinone-2-carboxylate underwent a photocyclization in an acetonitrile solution to produce efficiently large-sized ring-closure compounds as isolable products. In the photocyclization, high site-selectivity in the carbonyl groups of anthraquinone moiety was first observed.
Synthesis of γ-Lactones by the Intramolecular Radical Cyclization of 2-Bromo-3,3-bis(methylthio)propionates. A Useful Ketene Radical Synthon
Authors: Iwasa Seiji , Yamamoto Makoto , Furusawa Atsuko , Kohmoto Shigeo , Yamada Kazutoshi 
Published: May 2006

Abstract
The first example of intramolecular radical cyclization of ketene radical synthon is presented. Intramolecular radical cyclization of 2-bromo-ketene-S,S-acetals proceeded highly regioselectively to give the corresponding 5-exo-trig cyclized γ-lactones.
Synthesis and Properties of [2.2](3,5)- and [2.2.2.2](3,3′,5,5′)-Diphenoquinonophanes
Authors: Tani Keita , Takano Junji , Tohda Yasuo , Ariga Masahiro , Higuchi Hiroyuki , Misumi Soichi 
Published: May 2006

Abstract
The first synthesis and the physical properties of diphenoquinonophanes is reported along with their spectral evidences.
Novel Preparation Method of Manganese(II) Manganese(IV) Oxide(Mn2Mn3O8, Mn5O8) by Citrate Process
Authors: Sugawara Michio , Ohno Masamichi , Matsuki Kenzo 
Published: May 2006

Abstract
The amorphous citrate precursor obtained by the reaction of manganese nitrate and citric acid resulted in the formation of single phase of Mn5O8 by the thermal decomposition at 300–400 °C in oxygen atmosphere.
A Novel Reagent for the Synthesis of Branched-chain Functionalized Sugars. Dichloromethyllithium
Authors: Sato Ken-ichi , Suzuki Katsuhiko , Ueda Miyuki , Katayama Masaftimi , Kajihara Yasuhiro 
Published: May 2006

Abstract
A few novel branched-chain functionalized sugars, which have important functions such as hydroxyl, hydro, chloro, or azido at quaternary carbon were prepared in good yield via the same intermediary spiro chloroepoxide derivative by use of dichloromethyllithium.
Synthesis of Optically Active 2,3,6-Tri-O-benzyl-D-myo-inositol from D-Glucose
Authors: Sato Ken-ichi , Sakuma Shogo , Muramatsu Shinya , Bokura Masayuki 
Published: May 2006

Abstract
The title compound was synthesized from D-glucose as a key intermediate of D-Inositol-1,4,5-triphosphate synthesis without doing any optical resolution by utilizing C2 symmetry.
Diastereoselective Claisen Condensation-Type Reactions of Alkyl 2,2-Dialkoxycyclopropanecarboxylates with Esters and Acid Chlorides Promoted by Titanium(IV) Chloride
Authors: Shimada Shigeru , Saigo Kazuhiko , Hashimoto Yukihiko , Maekawa Yasunari , Yamashita Takashi , Yamamoto Taketsugu , Hasegawa Masaki 
Published: May 2006

Abstract
In the presence of titanium(IV) chloride, alkyl 2,2-dialkoxycyclopropane carboxylates reacted with esters and acid chlorides to give Claisen condensation-type products. The reaction essentially proceeded with extremely high diastereoselectivity.
Reaction of Tantalum–Alkyne Complexes with Isocyanates Leading to (E)-α,β-Unsaturated Amides. Stereoselective Functionalization of Carbon-Carbon Triple Bonds
Authors: Takai Kazuhiko , Kataoka Yasutaka , Yoshizumi Kazuyuki , Oguchi Yoshiyuki , Utimoto Kiitiro 
Published: May 2006

Abstract
Treatment of alkynes with low-valent tantalum derived from TaCl5 and zinc produces tantalum-alkyne complexes (not isolated), which react with phenylisocyanate (or butylisocyanate) to give (E)-α,β-unsaturated amides stereoselectively.
Preparation of Iron(III) Complex with Nitrilotriacetic Acid and Origin of Its Unique Reactivity
Authors: Nishida Yuzo , Yoshizawa Kaori , Akamatsu Tetsuya 
Published: May 2006

Abstract
We have succeeded in isolating the iron(III) complex with nitrilotriacetate(nta3−) and concluded that this complex exists as μ-oxo dimeric species in both the solid and solution states. The unique reactivity observed for this complex solution was discussed in relation to its dimeric structure.
On the Mechanism of Oligomerization of Propylene by (C5Me5)2MCl2/Methylalumoxane Catalysts (M = Zr, Hf)
Authors: Mise Takaya , Kageyama Akiko , Miya Shinya , Yamazaki Hiroshi 
Published: May 2006

Abstract
In the oligomerization of propylene by (C5Me5)2MCl2 (M = Zr,Hf)/methylalumoxane, formation of abnormal oligomers such as 1-pentene(C5), 2,4-dimethyl-1-pentene(C7), 4-methyl-1-heptene(C8), and 2,4,6-trimethyl-1-heptene(C10) besides normal oligomers such as 4-methyl-1-pentene(C6) and 4,6-dimethyl-1-heptene(C9) is indicative of the mixing of unusual β-CH3 and usual β-H transfer terminations from each growing carbon chain which was initiated by insertion of propylene into either M–H or M–Me bond.
Adsorption of Metal Ions on a New Chelating Ion-Exchange Resin Chemically Derived from Chitosan
Authors: Tong Philip , Baba Yoshinari , Adachi Yoshio , Kawazu Kazuyoshi 
Published: May 2006

Abstract
A new chelating ion-exchange resin, pyrididene-chitosan, was synthesized through the reaction of pyridine-2-aldehyde with the free amino groups of chitosan. The pH dependencies and adsorption isotherms in the adsorption of various metal ions on the resin were investigated from 1 mol/1 of aqueous ammonium nitrate solution.
Photoreaction of 2,3-Bis[2-(4-chlorophenyl)ethenyl]pyrazine in the Crystalline State and in Acetonitrile Solution
Authors: Tsutsumi Takehiro , Takeuchi Atsuo , Hashimoto Yukihiko , Hasegawa Masaki , Iitaka Yoichi 
Published: May 2006

Abstract
The photoreaction behaviors of 2,3-bis[2-(4-chlorophenyl)ethenyl]pyrazine (1) in the crystalline state as well as in acetonitrile solution were examined mechanistically. In the crystalline state, stepwise [2+2] cycloadditions occurred between two facing molecules under the crystal lattice control to give a [2.2]orthocyclophane derivative in 74% yield. Photoirradiations of 1 in acetonitrile solution were also performed. In this case, products distributions were changed depending on the cut off wavelength.
Reactions of syn- and anti-Benzylideneaniline Radical Anions
Authors: Ishida Akito , Itoh Hiroshi , Takamuku Setsuo 
Published: May 2006

Abstract
Reactions of a benzylideneaniline radical anion have been studied by spectral and product analyses, in which successive irradiation of uv-light and ionizing radiation at low temperature have been applied to the production of the unstable syn-radical anions.
A New Amino Acid, L-3-(2-Carboxy-4-pyirolyl)-alanine from the Poisonous Mushroom Clytocybe acromelalga
Authors: Yamano Kimiaki , Konno Katsuhiro , Shirahama Haruhisa 
Published: May 2006

Abstract
A new amino acid, L-3-(2-carboxy-4-pyrrolyl)-alanine was isolated from Clytocybe acromelalga. Its structure was determined by spectral data and a synthesis.
An Optically Active Cobalt(III) Complex Containing Co–C Bond Prepared by the Photolysis of Optically Active (Ethylenediamine)(ethyleriediamirie-N,N′-dipropionato)cobalt(III) Complex Ion
Authors: Ama Tomoharu , Hasegawa Nobuyoshi , Kawaguchi Hiroshi , Yasui Takaji 
Published: May 2006

Abstract
An optically active cobalt(III) complex ion containing Co–C bond, (H2eedmp: 4,7-diaza-nonanoicacid; en: ethylenediamine), was prepared by the photolysis of (H2eddp: ethylenediamine-N,N′-dipropionic acid). This complex was stable and hardly racemized in an aqueous solution. A 13C NMR signal broadened by the Co–C spin-spin coupling was observed at −5.5 ppm.
Olefin Oxidation Catalyzed by Electron Deficient Metallo-Porphyrin
Authors: Ogoshi Hisanobu , Suzuki Yasuhiko , Kuroda Yasuhisa 
Published: May 2006

Abstract
Olefin oxidations catalyzed by Fe or Mn complexes of 2,4,6,8-tetratrifluoromethyl-1,3,5,7-tetraethylporphyrin (TFTEP) using iodosobenzene as oxidant were investigated. Comparison of TFTEP with usual OEP/iodosobenzene systems shows that the electronic effect in porphyrin ring does not seriously affect the selectivity of norbornene oxidations.
Conglomeratic Solid Solutions in trans(N,t-N)-[Co(leucinato)(tren)]I2 and trans(N,t-N)-[Co(norleucinato)(tren)](ClO4)2 (tren = tris(2-aminoethyl)amine)
Authors: Yamanari Kazuaki , Fuyuhiro Akira 
Published: May 2006

Abstract
Ternary solubility isotherms of trans(N,t-N)-[Co(leu)(tren)]I2 and trans(N,t-N)-[Co(n-leu)(tren)](ClO4)2 (leu = leucinate(1−), n-leu = norleucinate(1−), and tren = tris(2-aminoethyl)amine) at 25 °C consist of two branches of solubility curve and one eutectic point, but the tie lines do not converge to any apex of the pure enantiomers and diverge widely. These facts mean that both racemates form a conglomerate and simultaneously a solid solution. The X-ray crystal analysis of the former iodide (D : L = 63 : 37; space group P32) confirms the existence of this conglomeratic solid solution.
Reversal of Diastereofacial Selectivity in the Addition Reaction of Organometallics to Chiral Imines
Authors: Ukaji Yutaka , Watai Toshiyuki , Sumi Takashi , Fujisawa Tamotsu 
Published: May 2006

Abstract
It was observed that diastereofacial selectivity in the addition reaction of organometallics to the chiral imines derived from (R)-2-methoxy-1-phenylethylamine was regulated under appropriate conditions; i. e., organolithium and organocerium reagents added from the re-face of the chiral imines selectively, while organocopper reagents attacked from the si-face. The utility of the present method was demonstrated in the enantioselective synthesis of solenopsin A.
Synthesis of the Functionalized Cyclohexanecarbaldehyde Derivative. A Potential Key Compound for Total Synthesis of Optically Active Tetrodotoxin
Authors: Sato Ken-ichi , Kajihara Yasuhiro , Nakamura Yutaka , Yoshimura Juji 
Published: May 2006

Abstract
Oxidation of 1L-(1,2,3′,4,5/3,6)-3-hydroxymethyl-2,4,5-tri-O-methoxymethyl-3,3′-O-methylene-6-nitro-2,3,4,5-tetrahydroxycyclohexanecarbaldehyde dimethyl acetal with potassium t-butoxide and m-chloroperbenzoic acid has given corresponding carbonyl derivative in 65% yield. The carbonyl compound has been successfully converted into the desired key compound for tetrodotoxin synthesis in excellent yield via the spiro α-chloro-epoxide derivative.
Selective Dyeing of Organopolysilane Films Patterned by Ultra-violet Light Irradiation
Authors: Yokoyama Masaaki , Koura Takashi , Hiroshige Yuji , Notsu Shusuke 
Published: May 2006

Abstract
Utilizing the swelling effect induced by UV light irradiation in organopolysilane films, the patterned dyeing with water-soluble dyes was successfully demonstrated. Only basic dyes gave the dyeing effect, suggesting the existence of a specific interaction between basic dyes and Si–OH moieties formed by UV photodecomposition. The narrow line pattern of 40 μm width was completely reproduced with dyeing.
DC Conductivity of Li1.3Al0.3Ti1.7(P4)3 Ceramic with Li Electrodes
Authors: Aono Hiromichi , Sugimoto Eisuke , Sadaoka Yoshihiko , Imanaka Nobuhito , Adachi Gin-ya 
Published: May 2006

Abstract
The ionic conductivity of a solid electrolyte, Li1.3Al0.3Ti1.7(PO4)3, was measured with Li and Li–Al alloy electrodes. The contact resistance between the Li electrode and the electrolyte was a dominant factor for the DC conductivity. A higher DC conductivity was obtained by an utilization of the Li4Al alloy electrodes.
Peak Splitting for Co(III) and Al(III) Complexes in High Performance Liquid Chromatography by Linkage Isomerism of Unsymmetric o,o′-Dihydroxyazobenzene Derivatives
Authors: Wada Hiroko , Hakamata Takeshi , Yasui Katsuro , Yuchi Akio , Nakagawa Genkichi 
Published: May 2006

Abstract
Peak splitting, which was found in reversed phase chromatography of Co(III) and Al(III) complexes with unsymmetric dihydroxyazobenzene derivatives, is ascribed to linkage isomerism by 1H NMR spectroscopy. Both isomerization and dissociation reactions take place in the column in contrast to normal phase chromatography.
Separation of Enantiomeric Amino Acid Derivatives on Axially Chiral 1,1′-Binaphthyl-2,2′-bis(N-decylcarboxamide) as a Stationary Phase for Capillary Gas Chromatography
Authors: Ôi Shuichi , Ochiai Yoshiro , Miyano Sotaro 
Published: May 2006

Abstract
Axially chiral 1,1′-binaphthyl-2,2′-bis(N-decylcarboxamide) was utilized as a chiral stationary phase for capillary gas chromatograpic separation of enantiomers. This stationary phase showed efficient differentiation for amino acid derivatives allowing complete separation of eleven N-trifluoroacetyl amino acid isopropyl esters.
Simple Synthesis and the Diels–Alder Reaction of 3-(p-Tolylthio)-2-(trimethylsilyloxy)-1,3-butadiene
Authors: Kosugi Hiroshi , Hoshino Kunihide , Uda Hisashi 
Published: May 2006

Abstract
The reaction of 3-(p-tolylsulfinyl)-2-butanone with trimethylsilyl trifluoromethanesulfonate in the presence of diisopropylethylamine gave 3-(p-tolylthio)-2-(trimethylsilyloxy)-1,3-butadiene (2) quantitatively. The Diels–Alder reactions of 2 and the related dienes with methyl acrylate were studied.
Catalytic Hydrogenation of Alkenes Using Zirconocene–Alkene Complexes
Authors: Takahashi Tamotsu , Suzuki Noriyuki , Kageyama Motohiro , Nitto Yu , Sabur Masahiko , Negishi Ei-ichi 
Published: May 2006

Abstract
Hydrogenation reactions of alkenes were catalyzed by zirconium–alkene complex derivatives which were prepared from Cp2ZrCl2 (Cp = η5-C5H5) and n equiv. of RR′CHCH2M (M = MgX or Li). By the use of three or more equiv. of EtMgBr relative to Cp2ZrCl2, the product yield of hydrogenation of 1-decene was remarkably improved most likely due to the stabilization of the Zr(II) species.
Implications of the Positive Band at 1712 cm−1 in the Light-Induced Infrared Difference Spectrum of the Bacteriochlorophyll-a Special Pair in the Photosynthetic Reaction Center of Chromatium vinosum
Authors: Morita Eugene Hayato , Hayashi Hidenori , Tasumi Mitsuo 
Published: May 2006

Abstract
Assignments of bands observed in the light-induced infrared difference spectrum of reaction centers from Chromatium vinosum are discussed with particular attention to the carbonyl stretching region of the bacteriochlorophyll-a (BChl) special pair radical cation. It is pointed out that the infrared data reflect the localization of an unpaired electron on either one of the two bacteriochlorophyll-a’s in the special pair radical cation in the time scale of infrared absorption (10−13s).
Relationship between the Alignment of Liquid Crystal and Macroscopic Properties of Pyrolyzed Polyimide Langmuir–Blodgett Films
Authors: Akatsuka Takahisa , Tanaka Hideaki , Toyama Jiro , Nakamura Takayoshi , Matsumoto Mutsuyoshi , Kawabata Yasujiro 
Published: May 2006

Abstract
The aligning properties of liquid crystal on pyrolyzed polyimide Langmuir–Blodgett (PPI LB) films were studied together with the conductivity and the morphology of PPILB films. The aligning direction of the liquid-crystal was parallel to the dipping direction of the LB films.
Oxidation of Cytosine and 5-Methylcytosine Nucleosides and 5-Methyl-2′-deoxycytidine 5′-Monophosphate with Peroxosulfate Ions
Authors: Itahara Toshio 
Published: May 2006

Abstract
Reaction of 5-methylcytosine nucleosides and nucleotide with Na2S2O8 resulted in an oxidation of the 5-methyl group, while treatment of them and cytosine nucleosides with KHSO5 gave the corresponding N3-oxides.
Molecular Recognition by a Cationic Cage-type Host Bearing Chiral Binding Sites
Authors: Murakami Yukito , Ohno Teruhisa , Hayashida Osamu , Hisaeda Yoshio 
Published: May 2006

Abstract
The guest-binding behavior of a novel cage-type host bearing chiral binding sites was examined in aqueous media. The binding constants for inclusion of non-ionic and anionic dyes were in the order of 105–106 mol−1 dm3, and the circular dichroism was induced on an incorporated achiral guest through its stereochemical interaction with the chiral host cavity.
Facile Access to 2-Alkylidene 3-Oxy Propanals and Propionic Acids from Conjugated Enals
Authors: Huot Jean-Frangois , Outurquin Francis , Paulmier Claude 
Published: May 2006

Abstract
Conjugated enals or their methyl acetals react with benzeneselenenyl chloride in the presence of an oxygen nucleophile to give Michael-type adducts. The latter are oxidized into 2-alkylidene 3-oxy propanals and propionic acids.
Separation, Detection, and UV/Visible Absorption Spectra of Fullerenes; C76, C78, and C84
Authors: Kikuchi Koichi , Nakahara Nobuo , Honda Masahiro , Suzuki Shinzo , Saito Kazuya , Shiromaru Haruo , Yamauchi Kotaro , Ikemoto Isao , Kuramochi Tadao , Hino Shojun , Achiba Yohji 
Published: May 2006

Abstract
New kinds of fullerenes were separated by HPLC with benzene from carbon soot. At least four fractions were well separated. Mass analysis confirmed the separation of C60, C70, C84 and the mixture of C76 and C78. Absorption spectra of C76, C78, and C84 were measured for the first time.
Tungsten Oxide-Based Semiconductor Sensor Highly Sensitive to NO and NO2
Authors: Akiyama Morito , Tamaki Jun , Miura Norio , Yamazoe Noboru 
Published: May 2006

Abstract
A sintered sensor element based on WO3 was found to be very sensitive to NO and NO2. The sensitivity, defined as the ratio of the resistance in the gases to that in air, was as high as 31 and 97 to 200 ppm NO and 80 ppm NO2, respectively, at 300 °C. The element was well suited for sensing the gases at low levels. Satisfactory performances to NO and NO2 were exhibited in the regions of 0–800 ppm and 0–200 ppm, respectively.
Synthesis of E-Vinylsilanes from Olefins with Vicinal Silyl and Stannyl Substituents
Authors: Mori Miwako , Watanabe Naoshi , Kaneta Naotake , Shibasaki Masakatsu 
Published: May 2006

Abstract
E-Vinylsilanes were synthesized regioselectively from olefins with vicinal silyl and stannyl substituents, prepared from the corresponding terminal alkynes, by destannylation with HI.
Triethylaluminum Catalyzed Ring Opening Reaction of 1-Acetyl-2-[(trimethylsilyl)methyl]cyclobutanes. Stereoselective Preparation of (Z)-Enol Trimethylsilyl Ethers
Authors: Fujiwara Tooru , Suda Atsushi , Takeda Takeshi 
Published: May 2006

Abstract
The triethylaluminum catalyzed ring opening reaction of 1-acetyl-2-[(trimethylsilyl)methyl]cyclobutanes gave (Z)-6-(trimethylsiloxy)-1,5-heptadienes stereoselectively. The starting materials were easily prepared by the 1,4-addition of (trimethylsilyl)methylmagnesium chloride to 1-cyclobutenyl ketones.
Synthesis and Properties of Optically Active 3-Aryl-5-alkyloxazolidin-2-ones. New Chiral Dopants for Ferroelectric Liquid Crystals
Authors: Kusumoto Tetsuo , Sato Ken-ichi , Hiyama Tamejiro , Takehara Sadao , Osawa Masashi , Nakamura Kayoko , Fujisawa Toru 
Published: May 2006

Abstract
New chiral dopants for ferroelectric liquid crystals containing an optically active oxazolidin-2-one moiety, synthesized from (R)-1,2-epoxyoctane, exhibit large spontaneous polarization.
Structure of Aerugidiol, a New Bridge-head Oxygenated Guaiane Sesquiterpene
Authors: Masuda Toshiya , Jitoe Akiko , Nakatani Nobuji 
Published: May 2006

Abstract
The structure elucidation of aerugidiol, a new bridge-head oxygenated sesquiterpene isolated from the rhizomes of Curcuma aeruginosa, is described.
C-2 Epimerization of Disaccharides by Calcium(II)–Monoamine Systems. A Direct Synthesis of (1→4)-Linked Disaccharides Having a D-Mannose Unit as a Reducing Terminal
Authors: Takei Tomoyuki , Tanase Tomoaki , Yano Shigenobu , Hidai Masanobu 
Published: May 2006

Abstract
(1→4)- and (1→6)-linked disaccharides were epimerized at C-2 of the reducing terminal under mild conditions by calcium(II)–N-alkylated monoamine systems. Naturally rare (1→4)-linked heterodisaccharides having a D-mannose unit as a reducing terminal can be prepared in one step from disaccharides having a D-glucose unit which are abundunt in nature.
Chemical Oxidation of Polyaniline by Radical Generating Reagents, O2, H2O2–FeCl3 Catalyst, and Dibenzoyl Peroxide
Authors: Moon Doo-Kyung , Maruyama Tsukasa , Osakada Kohtaro , Yamamoto Takakazu 
Published: May 2006

Abstract
Polyaniline in the reduced form , leucoemeraldine base form) undergoes oxidation by radical generating reagents such as O2, H2O2–FeCl3, catalyst system, and dibenzoyl peroxide to give the 50% oxidized polymer , emeraldine base form). The oxidation by the H2O2–FeCl3 system shows kinetic behaviors characteristic of Fenton-type oxidation.
Photoinduced Electron and Hydrogen-Transfer Reaction in Micellar-Promoted Reduction of vic-Styrene Dibromide with 1-Benzyl-1,4-dihydronicotinamide
Authors: Yamashita Kohichi , Ishida Hitoshi , Ohkubo Katsutoshi 
Published: May 2006

Abstract
The photoreduction of vic-styrene dibromide by 1-benzyl-1,4-dihydronicotinamide (BNAH) gave (1-bromoethyl)benzene (StyHBr) in addition to styrene (Sty); Among the both products, StyHBr formation was found to include a direct hydrogen migration from BNAH by isotopic experiments with [2H2]BNAH. The remarkable acceleration of such a characteristic photoreaction became possible by the presence of ionic micelles.
Aggregation Structure of Bacteriochlorophyll c in Chlorosomes from Chlorobium tepidum
Authors: Nozawa Tsunenori , Suzuki Manabu , Ohtomo Katsunori , Morishita Yumi , Konami Hideo , Madigan Michael T 
Published: May 2006

Abstract
High resolution solid state 13C NMR signals of bacteriochlorophyll (BChl) c were obtained for chlorosomes from Chlorobium tepidum. Observed BChl c signals which resembled those from oligomeric BChl c afforded ring current shift from which an aggregation structure was proposed.