bluuebunny/crossref_metadata_2025_split huggingface dataset:
Diene Complexes of Pentamethylcyclopentadienyltitanium Chloride. Synthesis and First X-Ray Structure of Titanium–Diene Complexes
Authors: Chen Jie , Kai Yasushi , Kasai Nobutami , Yamamoto Hitoshi , Yasuda Hajime , Nakamura Akira 
Published: July 2006

Abstract
A series of titanium–diene complexes has been prepared by the reaction with TiCl3(C5Me5) and (2-butene-1,4-diyl)magnesium derivatives and the first X-ray structure analysis of titanium–diene complex, TiCl(C5Me5)(s-cis-butadiene), revealed novel prone(endo) geometry for diene coordination.
Syntheses and Characteristics of Near-Infrared Absorbing Metal Complex Dyes with Indoaniline-type Ligands
Authors: Kubo Yuji , Sasaki Kyoko , Yoshida Katsuhira 
Published: July 2006

Abstract
New metal complex dyes with N,O-bidentate indoaniline type ligands have been prepared, which absorb near-infrared light at 745–776 nm in EtOH. Some of these complex dye media have excellent characteristics for the practical use as diode-laser optical storage.
Efficient Route to γ,δ-Unsaturated Carbonyl Compounds from Allyl Sulfides and α-Diazocarbonyls Using a Rhodium Catalyst
Authors: Takano Seiichi , Tomita Shun’ichi , Takahashi Michiyasu , Ogasawara Kunio 
Published: July 2006

Abstract
Functionalized γ,δ-unsaturated carbonyl compounds are efficiently prepared from allyl sulfides and α-diazo carbonyl compounds by catalysis of rhodium (II) acetate.
Novel Ring Contraction of 1,2-Diazocine System. Hydrolysis of 7-Substituted 4-Acetoxy- and 4-Phthalimido-3,8-diphenyl-1,2-diazocines Leading to the Formation of Pyrazoles
Authors: Yogi Seiichi , Hokama Kozo , Tsuge Otohiko 
Published: July 2006

Abstract
A novel ring contraction of 1,2-diazocine system to pyrazoles via [5.5]bicyclic intermediates has been demonstrated by hydrolysis of 7-substituted 4-acetoxy- and 4-phthalimido-3,8-diphenyl-1,2-diazocines.
Equilibration of CO2 with CO and O2 in Electric Discharge
Authors: Tanaka Kazunori , Gao Da Wei 
Published: July 2006

Abstract
Equilibration of CO2 decomposition, 2CO2\ightleftharpoons2CO+O2, has been observed in electric discharge over a range of total pressures 10 to 50 Torr. The equilibrium conversion of CO2 to CO decreased with increasing total pressure.
Cubic Azaparacyclophane
Authors: Murakami Yukito , Kikuchi Jun-ichi , Hirayama Takayuki 
Published: July 2006

Abstract
A cubic macrocycle, each face being constructed with the 2,11,20,29-tetraaza[3.3.3.3]paracyclophane ring, was prepared as a novel host molecule which provides a relatively rigid and hydrophobic three-dimensional cavity, and its guest-binding behavior was examined in acidic aqueous media.
Et3B Induced Radical Addition of Thiols to Acetylenes
Authors: Ichinose Yoshifumi , Wakamatsu Kuni , Nozaki Kyoko , Birbaum Jean-Luc , Oshima Koichiro , Utimoto Kiitiro 
Published: July 2006

Abstract
Thiols added easily to acetylenic compounds in the presence of Et3B to give alkenyl sulfides in good yields. The reaction of acetylenes with 3-methyl-2-buten-1-thio1 gave dihydro-thiophene derivatives in one pot.
Dehydrogenation of Cyclohexane on Alumina-Supported Rhodium Catalysts. Effect of Oxidation-Reduction Treatment on the Catalytic Activity
Authors: Maeda Akira , Kunimori Kimio , Uchijima Toshio 
Published: July 2006

Abstract
The cyclohexane dehydrogenation and H2 chemisorption on Rh/Al2O3 catalysts have been studied as a function of reduction temperature (at 373–773 K), preceded by O2 treatment at 673 K. The catalytic activity increased by a factor of 5 after high-temperature reduction at 773 K, while there was almost no change in the H2 chemisorption capacity with varying the reduction temperature.
Synthesis and Properties of Methano-Bridged Thia[15]-, Thia[17]-, and Thia[19]annulenes
Authors: Kuroda Shigeyasu , Nozawa Yoshihiko , Yoneyama Yoshiharu , Fujita Satoshi , Yanagihara Kazuhiro , Ojima Juro 
Published: July 2006

Abstract
Title annulenes have been synthesized through a double Wittig reaction between the vinylogous dicarbaldehydes of 1,6-diformylcycloheptatriene and bis[(triphenylphosphonio)methyl]sulfide dibromide, and their 1H NMR spectra were examined proving that the thia[17]- and - [19]annulenes sustain ring current, while the thia-[15]annulene does not.
The 1,1′-Trimethylenebis(pyridinyl) Diradical and Its Photosensitive Cyclomers
Authors: Muramatsu Takashi , Hanaya Kaoru , Onodera Shinji , Ikegami Yusaku 
Published: July 2006

Abstract
Reduction of 1,1′-trimethylenebis(pyridinium) dibromide with sodium amalgam produces the cyclomers of 1,1′-trimethylene-bis(pyridinyl) diradical. Meso and dl forms of the cyclomers are convertible to each other. Two conformations of the diradical are observed in the triplet ESR spectrum at 77 K.
The Trityl Cation Mediated Michael Reaction of Ethylthioketene Dithioacetals with Silyl Enol Ethers
Authors: Hashimoto Yukihiko , Sugumi Hiroyuki , Okauchi Tatsuo , Mukaiyama Teruaki 
Published: July 2006

Abstract
In the presence of trityl tetrafluoroborate, 2-(2-ethylthioalkylidene)-1,3-dithiolanes smoothly react with silyl enol ethers at low temperature to afford the corresponding oxoketene dithioacetal adducts in good yields. This reaction is formally equivalent to the Michael reaction between ketone enolates and α,β-unsaturated esters.
Electrochemical Synthesis of Poly(p-phenylene xylylidene), a New Electrically Conducting Polymer
Authors: Tateishi Masahiro , Nishihara Hiroshi , Aramaki Kunitsugu 
Published: July 2006

Abstract
Electroreduction of α,α,α,α′,α′,α′-hexachloro-p-xylene at a copper electrode in n-Bu4NBF4-propylene carbonate gave a free-standing film of poly(p-phenylene xylylidene), PPX, a new conducting polymer with phenylenic and acetylenic backbones. The PPX film exhibited a conductivity of 70 S cm−1 on doping with SO3.
Crystal Structure and Electrical Properties of (BEDT-TTF)3Br2(H2O)2
Authors: Urayama Hatsumi , Saito Gunzi , Kawamoto Atsushi , Tanaka Jiro 
Published: July 2006

Abstract
A small anion, Br−, forms a metallic 3:2 BEDT-TTF salt with an inclusion of water. In the crystal two water molecules and two bromide anions form a cluster which behaves as a dianion group. The measurement of the electric resistivity indicates that this material has a metal-insulator transition at 185 K.
Intramolecular Cyclization with Nitrenium Ions Generated from N-Chloro-N-methoxyamides in Neutral Conditions
Authors: Kikugawa Yasuo , Shimada Masahiro 
Published: July 2006

Abstract
Intramolecular aromatic substitution by a N-chloro-N-methoxyamide group to a suitably situated aromatic ring in the molecule is performed by using anhydrous zinc acetate and nitromethane as solvent to give nitrogen heterocycles in good yield.
Synthesis of Oligoribonucleotides by Using 2′-O-(1-Methyl-1-methoxy)ethyl Nucleosides
Authors: Takaku Hiroshi , Imai Kazuaki , Nakayama Koukichi 
Published: July 2006

Abstract
3′,5′-O-Tetraisopropyldisiloxanylnucleosides smoothly react with 2-methoxypropene to give 2′-O-(1-methyl-1-methoxy)ethyl nucleosides in high yields without formation of diastereoisomers. These nucleosides were used as intermediates for oligonucleotide synthesis by the phosphotriester method. The (1-methyl-1-methoxy)ethyl group was removed rapidly from oligonucleotides by acid treatment.
Reversible Binding of Dioxygen by an Iron Complex of 3,5-Di-t-butylcatechol
Authors: Funabiki Takuzo , Konishi Toru , Tada Shinichi , Yoshida Satohiro 
Published: July 2006

Abstract
Reversible electronic and ESR spectral changes have been observed by oxygenation and deaeration of [Fe(DTBC)3]3− (DTBCH2:3,5-di-t-butylcatechol) in organic solvents, suggesting formation of a ternary catechol–iron–oxygen complex. The reaction of [Fe(DTBC)3]3− with oxygen yielded intra- and extradiol oxygenation products, whose ratio was dependent on solvent.
Methylvinyl Ketone Formation over Synthetic Chrysotile
Authors: Suzuki Eiichi , Idemura Satoshi , Ono Yoshio 
Published: July 2006

Abstract
Selective formation of methylvinyl ketone (MVK) was attained over chrysotile, Mg3(OH)4Si2O5, through aldol condensation reaction between acetone and formaldehyde, the selectivity being 98% on both acetone and formaldehyde bases. Synthetic Co2+-substituted chrysotile, CoxMg3-x(OH)4Si2O5 (x= 0.15 or 0.9), catalyzed the reaction between acetone and methanol to give MVK and methylethyl ketone (MEK) with 75% selectivity on acetone basis.
An Enantioselective Synthesis of a Macrolide from the Polyketide Lactone Derived from Oleandomycin
Authors: Tatsuta Kuniaki , Kobayashi Yoshiyuki , Akimoto Kohji , Kinoshita Mitsuhiro 
Published: July 2006

Abstract
The polyketide lactone, 8-methyl-3,5,11-trioxo-oleandolide, which is obtained from a new aglycone of oleandomycin by ruthenium tetraoxide oxidation, is stereoselectively reduced by zinc borohydride in the presence of magnesium bromide to give a macrolide, (5R,8R,9R)-9-dihydro-8-methyl-epi-oleandolide in a good yield.
Crystal Structure of Tetrabutylammonium μ-Oxalato-bis(oxodiperoxotungstate)(2-), [(n-C4H9)4N]2[WO(O2)2(C2O4)WO(O2)2]
Authors: Hashimoto Masato , Ozeki Tomoji , Ichida Hikaru , Sasaki Yukiyoshi , Matsumoto Kazuko , Kudo Tetsuichi 
Published: July 2006

Abstract
A structure of a novel complex anion [WO(O2)2(C2O4)WO(O2)2]2− which was obtained from the reaction of H2O2 with WC was determined by an X-ray diffraction method. The final R-value was 0.084. This is the first example of the anion containing both C2O4 and O2 groups isolated from this reaction. In this anion one C2O42− coordinates to two W atoms forming two chelate rings, and this type of coordination is no precedent for tungsten compounds.
Study of Electrochromic Reactions of WO3/H+ System by In Situ Electrogravimetry
Authors: Masuda Hideki , Baba Nobuyoshi 
Published: July 2006

Abstract
The reactions of electrochromic display devices were studied in situ by measuring the small weight change of the electrode with the liquid phase quartz crystal microbalance. Time response of the weight change during the bleaching and coloring process was in good accordance with those of charge and optical density. Based on the results of weight measurements, the mechanism of the coloring reaction in WO3/H+ was discussed.
An Oxygen Sensitive α-Fe2O3–Au Diode
Authors: Kobayashi Kenkichiro , Takano Minoru , Okamoto Shoichi 
Published: July 2006

Abstract
The rectification characteristics of the α-Fe2O3–Au diode are significantly damaged at room temperature by applying the large reverse bias to the diode in Ar. The damage is recovered as the ambient O2-partial pressure is increased. The diode can detect O2 at more than 1000 ppm.
Regioselective Para Chlorination of Alkoxybenzenes by Use of Alumina Supported Copper(II) Chloride
Authors: Kodomari Mitsuo , Takahashi Shin , Yoshitomi Suehiko 
Published: July 2006

Abstract
Alkoxybenzenes were highly regioselectively chlorinated by use of copper(II) chloride supported on neutral alumina in chlorobenzene to give p-alkoxychlorobenzenes in high yield. The p/o ratios were more than 30.
Novel Deuteration via Acetylene Bond Migration
Authors: Takano Seiichi , Sekiguchi Yoshinori , Shimazaki Youichi , Takahashi Michiyasu , Ogasawara Kunio 
Published: July 2006

Abstract
Optically active terminal-β,γ-acetylenic alcohol rearranges to β-trideuteriomethyl-α,β-acetylenic alcohol, an useful chiral building block for the synthesis of a variety of natural products, on exposure to potassium t-butoxide in dimethyl sulfoxide-d6.
Direct Formations of o-Tropoquinone Bisacetals from 2,3- and 2,7-Dimethoxytropones and p-Tropoquinone Bisacetals from 2-Bromo-7-methoxytropone by the Anodic Oxidation
Authors: Mori Akira , Kubota Tadahiko , Kasai Seishi , Takeshita Hitoshi 
Published: July 2006

Abstract
Anodic oxidation of 2,7- and 2,3-dimethoxytropones gave the correspondong isomeric o-tropoquinone bisacetals, 2,2,7,7-tetramethoxycyclohepta-3,5-dienone and 2,2,3,3-tetramethoxycyclohepta-4,6-dienone in good yields. By H2SO4-treatment in AcOH–Ac2O, former afforded 4-acetoxy-2,7-dimethoxytropone, 2,5-diacetoxy-7-methoxytropone and 4,5-diacetoxy-3-methoxytropone, latter did no such product. Similar oxidation of 2-bromo-7-methoxytropone gave alternative p-tropoquinone bisacetal derivatives.
Specific Rejection of Glycophorin-Reconstituted Liposomes by Human Phagocytes
Authors: Goto Mitsuaki , Arakawa Motoomi , Sato Toshinori , Kondo Hiroki , Sunamoto Junzo 
Published: July 2006

Abstract
The interaction between human phagocytes and glycophorin-reconstituted liposomes was investigated from the view point of internalization efficiency of the liposome by phagocytes. The glycophorin-reconstituted liposome was found to be rejected by phagocytes in the internalization. When the sialic acid residues of glycophorin were partly eliminated by neuraminidase, however, the cell uptake increased about two times.
Reduction of Hydroperoxythymines with Glutathione and Glutathione Peroxidase
Authors: Itahara Toshio 
Published: July 2006

Abstract
Glutathione peroxidase exerted acceleration effect on reduction of cis-6-hydroperoxy-5-hydroxy-5,6-dihydrothymine with glutathione, whereas it exerted little effect on reduction of trans-5-chloro-6-hydroperoxy-5,6-dihydrothymine with glutathione.
A Novel Method of Annulation through α,β-Epoxy Sulfoxides with the Aid of Intramolecular Radical Cyclization
Authors: Satoh Tsuyoshi , Itoh Masayuki , Yamakawa Koji 
Published: July 2006

Abstract
A novel method of annulation was realized from ketones through α,β-epoxy sulfoxides with the aid of endo-type intramolecular radical cyclization. In these reactions 1-chloroalkyl phenyl sulfoxides having phenylseleno group on an end of the alkyl group acted as synthons of the annulation.
Charge Shift along the Metal–Metal Bond in Molybdenum-Tungsten Mixed-metal Complexes, [M3(μ3-O)2(μ-CH3COO)6(H2O)3]2+ (M3 = Mo2W and MoW2) and [MoW(O)2 (μ-O)2(μ-N,N′-edta)]2−
Authors: Wang Bateer , Sasaki Yoichi , Ikari Shinji , Kimura Keisaku , Ito Tasuku 
Published: July 2006

Abstract
An XPS study for series of dinuclear and trinuclear complexes of Mo and W including titled mixed-metal complexes and their parent homo-metal analogs shows that, in the mixed metal complexes, oxidation states of Mo and W shift to some extent toward lower and higher states than the formal ones, respectively. This is a result of charge shift along the metal–metal bond in the mixed metal clusters.
The Chemiluminescence of Luminol/H2O2 with the Ferriprotoporphyrin IX/N-Vinylpyrrolidone Copolymer as a Catalyst in the Neutral pH Solution
Authors: Karatani Hajime 
Published: July 2006

Abstract
The copolymer of ferriprotoporphyrin IX and N-vinylpyrrolidone, having peroxidase activity, was prepared by radical polymerization for application as a catalyst of the titled chemiluminescence. This copolymer acted as an efficient catalyst in the production of light emission sufficient to be detected in a neutral aqueous system.
A Facile Method for the Fluorine Substitution of Phenylthio Group via Sulfonium Salts Using Cesium Fluoride
Authors: Ichikawa Junji , Sugimoto Ken-ichi , Sonoda Takaaki , Kobayashi Hiroshi 
Published: July 2006

Abstract
Monofluorinated compounds are easily prepared in good yields by treating phenyl sulfides with methyl fluorosulfonate and cesium fluoride in refluxing dichloromethane, successively. This reaction proceeds under so mild conditions as not to affect the coexisting bromine substituent.
CO Sensitive Pt/SnO2 Diode Type Gas Sensor
Authors: Matsushima Shigenori , Miura Norio , Yamazoe Noboru 
Published: July 2006

Abstract
A Pt(sputtered film)/SnO2(disc) diode was found to respond to small amounts of CO in air at lower temperatures below 100 °C, while no response was observed for CH4 and C3H8. The CO sensitivity of the diode gave a maximum at 90 °C, which was about three times as high as the sensitivity to H2. The 50% response time of the sensor to 1000 ppm CO was about 1 min.
Diastereoselective Reduction of α-Keto Amides Having trans-2,5-Disubstituted Pyrrolidines as Chiral Auxiliaries
Authors: Kawanami Yasuhiro , Fujita Izumi , Taniguchi Yoshiyuki , Katsuki Tsutomu , Yamaguchi Masaru 
Published: July 2006

Abstract
The reduction of α-keto amides derived from (2R,5R)-trans-2,5-bis(methoxymethoxymethyl)pyrrolidine with LiBEt3H or KBEt3H proceeded with high diastereoselectivity (up to 99% ds) to afford the corresponding α-hydroxy amides in good yield. The effect of added crown ethers or LiBr was also examined.
Synthesis and Crystal Structures of Trinuclear Molybdenum Chloro Sulfido Clusters Coordinated with Triethylphosphine and Methanol
Authors: Saito Taro , Yamamoto Naohiro , Yamagata Tsuneaki , Imoto Hideo 
Published: July 2006

Abstract
Two triethylphosphine complexes of trinuclear molybdenum chlorosulfido clusters have been synthesized. Determination of the crystal structures have shown that they can be formulated as [Mo3(μ3-S)(μ-S)3Cl4(PEt3)n(MeOH)5−n] (n = 3, 4).
Synthesis and Characterization of 5-Deoxy-3-O-methyl-5-C-[(R) - and (S)-phenylphosphinothioyl]-α- and β-d-xylopyranoses. The First Sugar Analogue Having a Phosphinothioyl Group in the Hemiacetal Ring
Authors: Yamamoto Hiroshi , Hanaya Tadashi , Shigetoh Nobuyuki , Kawamoto Heizan , Inokawa Saburo 
Published: July 2006

Abstract
Treatment of 5-deoxy-5-iodo-1,2-O-isopropylidene-β-O-methyl-α-d-xylofuranose with ethyl phenylphosphinothioate in the presence of sodium hydride, followed by the reduction with sodium dihydrobis(2-methoxyethoxy)aluminate, and then with 0.5 M HCl–EtOH gave the title compounds, which were characterized as the 1,2,4-O-triacetates.
Regeneration of NADH and Hydrogenation of Ketones to Alcohols with the Combination of Hydrogenase and Alcohol Dehydrogenase
Authors: Otsuka Keiichi , Aono Shigetoshi , Okura Ichiro 
Published: July 2006

Abstract
The regeneration of nicotinamide-adenine dinucleotide (reduced form, NADH) by the reduction of NAD with hydrogen gas was carried out in the presence of the hydrogenase from Alcaligenes eutrophus, and ketone hydrogenation was tried by the combination of the above system and alcohol dehydrogenase (ALDH). The ketones such as 2-butanone, 2-pentanone, and 2-hexanone were easily hydrogenated by hydrogen gas. After 65 h, the turnover number of NAD was 64 for 2-butanone showing a recurrence of NAD by hydrogen gas.
Catalytic Gasification of Coals Using Rare Earth Compounds
Authors: Suzuki Toshimitsu , Nakajima Seiji , Watanabe Yoshihisa 
Published: July 2006

Abstract
Catalytic gasification of coal with CO2 or steam using rare earth compounds was investigated. Nitrates of lanthanum, cerium and samarium were found to be effective catalysts for the coal gasification.
Syn-epoxidation of Chiral (Z)-2-Methyl-3-alkenal Acetal via Stereo-selective Bromohydrin Formation
Authors: Honda Yutaka , Kataoka Yohko , Unno Masahiko , Tsuchihashi Gen-ichi 
Published: July 2006

Abstract
Synthesis of syn-epoxide from chiral (Z)-2-methyl-3-alkenal acetal via stereoselective bromohydrin formation by using a reagent prepared from N-bromosuccinimide (NBS) and dimethyl sulfoxide (DMSO) under irradiation, and regioselective C–C bond formation were described.
Activation and Orientation by Receptor-Substrate Binding. The Case of Acyl Transfer from O-Acetylhydroxylamine
Authors: Lehn Jean-Marie , Nishiya Takako 
Published: July 2006

Abstract
The strong binding ability of the receptor molecule 1 induces complexation of O-acetylhydroxylamine and of hydroxylamine in their protonated forms ; as a result, subsequent reaction of bound CH3COONH3+ becomes fast and selective, giving only acetic acid with a rate enhancement by a factor of about 30.
Benzopentathiepin as Sulfurization Reagent. Novel Synthesis of Thiosulfonates from Sulfinates
Authors: Sato Ryu , Akutsu Yasuo , Goto Takehiko , Saito Minoru 
Published: July 2006

Abstract
Sodium alkane- and arenesulfinates were readily sulfurized with benzopentathiepin in usual organic solvents at room temperature to give corresponding thiosulfonates in good yields.
Effect of Silyl Substituent on Thermal Isomerization of Allene Episulfide. A New Aspect in Thioxyallyl Intermediate
Authors: Tokitoh Norihiro , Choi Nami , Ando Wataru 
Published: July 2006

Abstract
Kinetic studies on the thermal isomerization of 1,1-bis(trimethylsilyl)-3,3-diphenylallene 2-episulfide showed an attractive accelerating effect of silyl substituents attributable to the partial ionic nature of thioxyallyl intermediate.
On the Stereochemistry of E′- and E′-Reactions
Authors: Vogel Ernst , Caravatti Giorgio , Franck Peter , Aristoff Paul , Moody Christopher , Becker Anna-Maria , Felix Dorothee , Eschenmoser Albert 
Published: July 2006

Abstract
The decarboxylative E′-dehydration of β,γ-unsaturated δ-hydroxy acids with DMF-dineopentylacetal shows SYN-faciality irrespective of whether the conformation of the hydroxy group relative to the double bond axis is anticlinal or synclinal.
Carbon–Carbon Bond Formation by Cross Coupling of Enol Phosphates or Enol Triflates with Organomanganese Compounds
Authors: Fugami Keigo , Oshima Koichiro , Utimoto Kiitiro 
Published: July 2006

Abstract
Trialkylmanganese-mediated alkylation of enol phosphates is performed in the presence of a catalytic amount of Pd(PPh3)4. The cross coupling reaction catalyzed by Li2MnCl4 between enol triflates and Grignard reagents is also described.
Litophynin A and B, Two New Insect Growth Inhibitory Diterpenoids from the Soft Coral Litophyton sp.
Authors: Ochi Masamitsu , Futatsugi Kensuke , Kotsuki Hiyoshizo , Ishii Masahiro , Shibata Kozo 
Published: July 2006

Abstract
Two new diterpenoids, litophynin A and B, which exhibit insect growth inhibitory activity against the silkworm, Bombyx mori L., have been isolated from the soft coral Litophyton sp. Their structures have been fully characterized by extensive 2D NMR studies and molecular mechanics calculations.
Generation of the Dianion from Tetrasilabicyclo[1.1.0]butane Derivatives
Authors: Kawase Takeshi , Batcheller Scott A , Masamune Satoru 
Published: July 2006

Abstract
Reductive cyclization of R2ClSi–SiCl2R′ with 5 equiv. of lithium naphthalenide followed by aqueous workup provides the corresponding cyclotetrasilane [(R2SiSiHR′)2]. Similar treatment converts RCl2SiSiClHR into a stereoisomeric mixture of cyclotetrasilanes [(RHSi)4]. Evidence is presented to indicate that the tetrasilabicyclo[1.1.0]butane derivatives formed as intermediates in these reactions are transformed into the dianions corresponding to the products.
Vapor-phase Nitration of Benzene over Silica-supported Benzenesulfonic Acid Catalyst
Authors: Suzuki Eiichi , Tohmori Kunihiko , Ono Yoshio 
Published: July 2006

Abstract
Silica-supported benzenesulfonic acid has a high catalyst activity for the title reaction. A nitrobenzene yield on benzene basis and on nitrogen dioxide basis attained to 93% and 70%, respectively, at 443 K under partial pressures of benzene and nitrogen dioxide of 9.3 kPa and 19 kPa, respectively.
TPD Detection of Hydrogen Absorbed in GaAs during Electrochemical Hydrogen Evolution Reaction
Authors: Kaneko Susumu , Uosaki Kohei , Kita Hideaki 
Published: July 2006

Abstract
Temperature programmed desorption (TPD) technique was employed to detect hydrogen absorbed in n-GaAs during electrochemical hydrogen evolution reaction (HER). It was found that 5.63×1015 atom cm−2 of D atom which is equivalent to 10 monolayers adsorption was absorbed in GaAs after HER for 12 h at −1.5 V (vs. Ag/AgCl) in 0.5 M D2SO4/D2O.
Selective Production of C4–C10 Hydrocarbons in Hydrogenation of Carbon Monoxide over Ruthenium Supported on Al2O3-Intercalated Montmorillonite
Authors: Mori Hiroo , Okuhara Toshio , Misono Makoto 
Published: July 2006

Abstract
C4 to C10 hydrocarbons (main fractions of gasoline) were selectively produced by hydrogenation of CO over Ru supported on Al2O3-intercalated montmorillonite, presumably due to shape-selective secondary reactions of hydrocarbons in the pores of the support.
Synthesis of Polyorganosiloxane with N-(4-Pyridyl)amido Group on the Side Chain
Authors: Ohyanagi Manshi , Nishide Hiroyuki , Suenaga Koichi , Tsuchida Eishun 
Published: July 2006

Abstract
Poly(3-carboxypropylmethylsiloxane) reacts with thionyl chloride and forms acid chloride without significant decomposition. Transparent polyorganosiloxane with N-(4-pyridyl)amido group on the side chain is easily synthesized by polymer reaction of the acid chloride and 4-aminopyridine.