bluuebunny/crossref_metadata_2025_split huggingface dataset:
THE CRYSTAL AND MOLECULAR STRUCTURE OF CHLOROGLYCYL GLYCINATOCOPPER(II) MONOHYDRATE
Authors: Shiro Motoo , Nakao Yasuo , Yamauchi Osamu , Nakahara Akitsugu 
Published: July 2006

Abstract
Crystals of chloroglycylglycinatocopper(II) monohydrate crystallized from acid solution are monoclinic, space group P21/c, with 8 formula units in a cell. The copper(II)-glycylglycine chelate has a dimeric structure, in which the peptide is bonded to two copper atoms - to one through the terminal nitrogen and the peptide oxygen and to the other through the terminal oxygen. The copper atom is five-coordinated and has a distorted square pyramidal coordination polyhedron.
BIOSYNTHESIS OF TRITERPENOIDS. THE STEREOCHEMISTRY OF THE SQUALENE FORMATION AND ITS CYCLIZATION TO β-AMYRIN
Authors: Suga Takayuki , Shishibori Tsuyoshi , Kimoto Sanae 
Published: July 2006

Abstract
The distribution of deuterium in squalene and β-amyrin biosynthesized from [6-D3]-mevalonic acid in Pisum sativum has been analyzed by NMR spectroscopy. It was thus proved that the cis-terminal methyls of squalene and the 4β-methyl group of β-amyrin are stereospecifically derived from the 3-methyl group of mevalonic acid.
STRUCTURE OF PHOTO-ADDUCT BETWEEN 1,2-NAPHTHOQUINONE AND XANTHENE
Authors: Maruyama Kazuhiro , Takuwa Akio 
Published: July 2006

Abstract
Photochemical reaction between 1,2-naphthoquinone and xanthene was studied. By a smooth reaction photo-adduct is produced as white needles after irradiation for several hours. Structure of the photo-adduct was determined as (7) through the investigation by PMR, IR, Mass, and elemental analysis. The photo-adduct between the o-quinone and the hydrogen donor having such a type of structure have never been reported so far. This reaction was examined from the dynamical point of view using CIDNP technique and the results substantiated further the structure (7).
INSERTION OF ETHOXYCARBONYLNITRENE TOWARD AXIAL AND EQUATORIAL C–H BONDS
Authors: Shingaki Tadao , Inagaki Masao , Torimoto Noboru , Takebayashi Matsuji 
Published: July 2006

Abstract
Ethyl azidoformate was decomposed on heating or by irradiation with UV in trans- and cis-1,4-dimethylcyclohexanes. Relative reactivities of the nitrene insertion toward axial and equatorial C–H bonds were calculated from the results. It was found that the reactivities toward axial C–H bonds were less than those of equatorial C–H bonds.
OXIDATION OF HEXAHYDROPYRIMIDINES INTO 3,4,5,6-TETRAHYDROPYRIMIDINIUM SALTS IN THE PRESENCE OF PALLADIUM CATALYST
Authors: Tsuji Tadakazu , Muraoka Masako 
Published: July 2006

Abstract
Treatment of 5-amino- and 5-nitro-5-methyl-1,3-disubstituted hexahydropyrimidines with palladium chloride gave the corresponding 3,4,5,6-tetrahydropyrimidinium chlorides, which were also obtained from the air oxidation of hexahydropyrimidine hydrochlorides in the presence of palladium black.
THE CYCLIZATION REACTION OF 5-BROMO-o-CRESOTIC ACID WITH PARAFORMALDEHYDE
Authors: Asaoka Tadatomo , Shinoda Misao , Shimasaki Choichiro 
Published: July 2006

Abstract
The reaction of 5-bromo-o-cresotic acid (I) with paraformaldehyde using cone sulfuric acid as a catalyst at 0–5°C for 3–4 hr yielded a new cyclic compound 6-bromo-8-methyl-4-oxobenzo[d]-1,3-dioxane (II). Similar results were obtained in the cases of 5-chloro-o-cresotic acid and 5,5-methylene-di-o-cresotic acid.
CONFIGURATIONAL ASSIGNMENT OF α-PHENYL-α,N-DIMETHYLNITRONES BY A LANTHANIDE SHIFT REAGENT IN PROTON MAGNETIC RESONANCE SPECTROSCOPY
Authors: Yoshimura Yohko , Mori Yutaka , Tori Kazuo 
Published: July 2006

Abstract
The ketonitrones, α-phenyl- and α-p-tolyl-α,N-dimethylnitrones (IIa and IIb, respectively), have been determined to be E isomers by application of a paramagnetic lanthanide shift reagent and benzene-induced solvent shifts in PMR spectroscopy.
FORMATION OP TITANIC OXIDES OF ANATASE, BROOKETE AND RUTILE TYPES BY AERIAL OXIDATION OF TITANOUS SOLUTIONS
Authors: Kiyama Masao , Akita Toshikazu , Tsutsumi Yuji , Takada Toshio 
Published: July 2006

Abstract
Aerial oxidation of titanous solutions has been carried out at temperatures between 60° and 95°C. A desired one of titanic oxides of anatase, brookite and rutile types, can be obtained from strongly acidic solutions by selection of the kind and concentration of anions present and temperature.
A NEW ACID CATALYZED OXIDATION OF SOME ACETYLENIC COMPOUNDS WITH SELENIUM DIOXIDE
Authors: Sonoda Noboru , Yamamoto Yuji , Murai Shinji , Tsutsumi Shigeru 
Published: July 2006

Abstract
It was found that oxidation of some acetylenic compounds with selenium dioxide was easily proceeded in the presence of catalytic amount of sulfuric acid. The oxidation took place mainly at the triple bond, and α-keto acid or α-diketone was isolated as a main product.
EMISSION SPECTRA OF TOLUENE AND ANISOLE BY CONTROLLED ELECTRON IMPACT
Authors: Ogawa Teiichiro , Tsuji Masaharu , Toyoda Minoru , Ishibashi Nobuhiko 
Published: July 2006

Abstract
The emission spectra of toluene and of anisole were observed by exciting them by controlled electron impact up to 300 V. A characteristic band of the aromatic hydrocarbon was observed in both cases.
X-RAY PHOTOELECTRON SPECTRA OF EVAPORATED NICKEL EXPOSED TO O2 AND H2O
Authors: Kishi Kosaku , Ikeda Shigero 
Published: July 2006

Abstract
Binding energies of Ni2p3⁄2, and Ols electrons were measured by X-ray photoelectron spectrometer during the interaction of evaporated nickel with O2 and H2O. Two kinds of peaks were obtained for both oxygen and nickel of the surface species formed. On the reaction of the surface species with H2O, electron transfer was observed.
THE OPTICAL RESOLUTION OF Dl-AMINO ACID MENTHYL ESTER DERIVATIVES BY PAPER CHROMATOGRAPHY
Authors: Akiyama Isamu , Onaya Masaji , Hayakawa Akira , Tsuzuki Yojiro 
Published: July 2006

Abstract
Several Dl-amino acid menthyl ester hydrochlorides were synthesized and attempted to resolve by means of paper chromatography with various buffer solutions. It was found that the three amino acid (Phe, Trp, and Tyr) derivatives were completely resolved with “CM-Cellulose” paper.
PSEUDOCONTACT SHIFT IN Eu(III) COMPLEXES, II. A SIMPLE THEORY FOR COMPLEXES OF C3h, D3h OR C3v POINT SYMMETRY
Authors: Sakaguchi Ushio , Yamasaki Akira , Fujiwara Shizuo 
Published: July 2006

Abstract
An approximate equation has been obtained for the pseudocontact shift in tris-chelated europium(III) complexes with C3h, D3h, or C3v symmetry. The crystal field energies have been calculated as a first-order perturbation on the spin-orbit levels.
SENECIO ALKAILOIDS. THE SYNTHESIS AND CONFIGURATION OF (±)-LATIFOLIC ACID
Authors: Matsumoto Takashi , Okabe Tetsuaki , Fukui Kenji 
Published: July 2006

Abstract
(±)-Latifolic acid and its three (±)-stereoisomers have been synthesized from dimethyl 1-acetyl-2-methylsuccinate. The synthetic (±)-2,cis-dimethyl-trans-3-hydroxy-cis-3-carboxybutyrolactone was shown to be identical with natural latifolic acid.
SYNTHESIS OF STANNOUS CHELATE COMPOUNDS
Authors: Wakeshima Ikuko , Kijima Ichiro 
Published: July 2006

Abstract
The synthesis of a novel type of stannous compounds was studied. The products are distillable and have high solubilities in organic solvents. The structures of the product were examined by tin analysis, molecular-weight determination, and studies of the IR and NMR spectra.
ZIEGLER-NATTA PROPYLENE POLYMERIZATION IN GAS PHASE: PRODUCTION OF HIGHLY ISOTACTIC POLYMERS
Authors: Doi Yoshiharu , Okura Ichiro , Keii Tominaga 
Published: July 2006

Abstract
The isotacticities of the polypropylenes produced with TiCl3–AlEt3 catalyst without solvent were 6∼7% higher than those obtained in the case with n-heptane solvent. In the case of TiCl3–AlEt2Cl catalyst there was no such a difference due to the presence of the solvent.
SOLID PHASE PEPTIDE SYNTHESIS BY OXIDATION-REDUCTION CONDENSATION. ATTACHMENT OF VARIOUS AMINO ACIDS AND PEPTIDE FRAGMENTS TO THE HYDROXYMETHYL RESIN
Authors: Matsueda Rei , Kitazawa Eiichi , Maruyama Hiroshi , Takahagi Hidekuni , Mukaiyama Teruaki 
Published: July 2006

Abstract
An attachment of the first amino acid to the resin in solid phase method by oxidation-reduction condensation was investigated. Various amino acids and peptide fragments were attached to the hydroxymethyl resin and chain-lengthening of these aminoacyl resins with amino acids or peptide fragments was successfully achieved by the same procedure.
VINYL POLYMERIZATION. 292. A MACROMOLECULAR EFFECT OBSERVED BY THE POLYMERIZATION OF METHYL METHACRYLATE INITIATED WITH THE SYSTEM OF CELLULOSE, Cu(II)-ION AND WATER
Authors: Imoto Minoru , Otsuka Saburo , Ouchi Tatsuro 
Published: July 2006

Abstract
The system of cellulose, water and Cu(II)-ion can polymerize MMA through a radical mechanism. The rate of polymerization, Rp, is expressed by the equation,
Rp = k [Cellulose]n[MMA]1→0
The value of n decreases from 1.0 to 0.5 with the decrease of the degree of polymerization of the cellulose.
NEGATIVE PHOTOCONDUCTION IN SOLUTION DUE TO PHOTOEJECTION OF ELECTRON FROM p-BENZOQUINONE ANION TO TETRAMETHYL-p-PHENYLENEDIAMINE CATION
Authors: Imura Takeshi , Nakata Jun-ichi , Kawabe Kazuo 
Published: July 2006

Abstract
Photolysis of a solution of a strong electron donor and acceptor in tetrahydrofuran caused decrease of the electric conductivity of the solution. The negative photoconduction was presumably due to photoionization of the anion which exists slightly on dissociation equilibrium, and to subsequent trapping of the solvated electron by the cation of the donor.
SYNTHESIS OF THIOCYANATES BY OXYTHALLATION OF OLEFINS
Authors: Mitani Hiroshi , Ando Takashi , Yukawa Yasuhide 
Published: July 2006

Abstract
A convenient method to introduce a thiocyano group into an olefin with thallium triacetate is described. The reaction proceeds via oxythallation, replacement of an acetate ion with a thiocyanate ion, and dethallation, successively.
MOLECULAR-SIEVE TYPE SORPTION ON ALKALI GRAPHITES
Authors: Watanabe Kazuo , Kondow Tamotsu , Onishi Takaharu , Tamaru Kenzi 
Published: July 2006

Abstract
The general tendency of the sorption exhibited by 2nd-stage alkali graphites, C24K, C24Rb and C24Cs may be most conveniently interpreted by a molecular-sieving effect, since the sorption characteristics are dependent on the size of the gaseous molecules and of the intercalated alkali atoms.
THE PHOTOCYCLOADDITION OF ACENAPHTHYLENE WITH TETRACYANOETHYLENE
Authors: Shirota Yasuhiko , Nagata Jun-ichiro , Mikawa Hiroshi 
Published: July 2006

Abstract
Irradiation of a solution of acenaphthylene and tetracyanoethylene yielded the cycloadduct. The excited singlet acenaphthylene is suggested to be the reactive species.
EXCIMER EMISSIONS OF SOME AROMATIC VINYLPOLYMERS
Authors: Yokoyama Masaaki , Tamamura Toshiaki , Nakano Takeshi , Mikawa Hiroshi 
Published: July 2006

Abstract
The emission spectra of poly-3-vinylpyrene (PVPy), poly-3-pyrenylmethylvinylether (PPMVE), and poly-9-vinylacridine (PVAc) in solution were measured at room, dry-ice, and liq. N2 temperatures. New observations of excimer fluorescences of these polymers could be obtained. Lifetimes of excimer fluorescences were measured in pulse method with excitation of N2 gas laser; 160, 66, and 31 nsec for PVPy, PPMVE, and PVAc, respectively. Emission spectra of PVPy and PVAc almost exclusively consist of excimer fluorescences even at dry-ice temperature on the contrary to PPMVE.
STUDY OF RANEY NICKEL CATALYSTS BY ELECTRON MICROPROBE X-RAY ANALYZER
Authors: Yasumura Jiro , Nakabayashi Ichiro 
Published: July 2006

Abstract
On the basis of several observations of laminated Raney nickel catalysts with an electron microprobe X-ray analyzer, it is concluded that the activity of the catalysts is seemingly correlated to the composition of Raney nickel alloys, and that the active centers are distributed probably at random on the surface of the catalysts.
A NOVEL TRANSANNULAR REACTION OF 2,4,6-CYCLOOCTATRIEN-1-ONE
Authors: Ogawa Masashi , Takagi Makoto , Matsuda Tsutomu 
Published: July 2006

Abstract
Esters of 2,5-cyclohexadienylacetic acid were formed in the reaction of 2,4,6-cyclooctatrien-1-one with alkoxides in alcohols. A ring contraction concerted with a transannular hydrogen transfer to C(4) position from an intermediate hemiacetal was proposed as a plausible pathway on the basis of deuterium distribution in the product.
ACETOPHENONE IN THE GAS PHASE OXIDATION OF ETHYLBENZENE WITH PALLADIUM CATALYST
Authors: Nakamura Seishiro , Tamura Masuhiko , Yasui Teruo 
Published: July 2006

Abstract
Acetophenone was obtained selectively accompanied by small amounts of styrene and carbon dioxide in the gas phase oxidation of ethylbenzene with palladium catalyst below 140°C. Acetophenone was postulated to form from the direct oxidation of ethylbenzene since styrene was not oxidized under similar conditions even at higher temperature.
THE ALKYLATION OF 1,3,5-TRITHIANES
Authors: Fukunaga Michio , Sugawara Tadashi , Oki Michinori 
Published: July 2006

Abstract
A method of synthesis of 1,3,5-trithiane derivatives which carry the desired number of methyl groups is described. Anions derived from 1,3,5-trithianes are found to undergo fast proton exchange with 1,3,5-trithianes if the latters carry a methylene group placed between two sulfur atoms.
MAGNETIC PROPERTIES OF ORGANIC STABLE RADICALS. IV. DPPH AND ITS SOLVENT COMPLEXES
Authors: Fujito Teruaki , Enoki Toshiaki , Ohya-Nishiguchi Hiroaki , Deguchi Yasuo 
Published: July 2006

Abstract
Magnetic susceptibility of organic stable radicals, DPPH and its solvent complexes has been measured. Susceptibility of solvent free DPPH shows a maximum at 11°K and is well fitted to the pair model (δ⁄k=17.64°K). DPPH·BZ has a χmax at 0.65°K but remains constant down to 0.1°K. DPPH·1/4CCl4 has two Weiss-constants: θHigh=−26.0°K and θLow=−0.3°K. Spin concentration of the last complex in low temperature range (below 4.2°K) is a half of that of high temperature range (above 30°K).
REACTION OF PERFLUORO-4-METHYLPENTENE-2 WITH SECONDARY AMINES
Authors: Tsukamoto Goro , Ishikawa Nobuo 
Published: July 2006

Abstract
Perfluoro-4-methylpentene-2 [1] , an asymmetrical internal perfluoroolefin, reacted with secondary amines such as diethylamine or piperidine to give a terminal enamine [2], which was easily hydrolyzed to the corresponding amide [3]. The reaction mechanism was discussed.
DYNAMIC STEREOCHEMISTRY OF π-ALLYLIC Pd(II) α-AMIROACETATE COMPLEXES
Authors: Nakagawara Yoshihiro , Kikukawa Kiyoshi , Takagi Makoto , Matsuda Tsutomu 
Published: July 2006

Abstract
A variety of π-allylic Pd(II) aminoacetate complexes were synthesized, and their temperature dependent NMR study revealed the presence of diastereoisomers which are in dynamic equilibrium by π-allyl rotation mechanism.
4-DIPHENYLMETHYLENE-1,2-DIPHMYLBUTATRIAFULVALENE-3,5-DIONE
Authors: Toda Fumio 
Published: July 2006

Abstract
The title butatriafulvalenedione (V) was prepared by the condensation of diphenylmethylenecyclobutane-1,3-dione (IV) with diphenylcyclopropenone. The spectral data of V were discussed. V was dissolved in methanolic potassium hydroxide in the form of the enolate anion (VI), and the acidification of the solution recovered V.
A NOVEL SYNTHESIS OF 5-OXO- AND 7-OXO-PYRIDO[2,3-d]PYRIMIDINES
Authors: Ogura Haruo , Sakaguchi Masakazu 
Published: July 2006

Abstract
5-Oxo- (VI) and 7-oxo-pyrido[2,3-d]pyrimidines (IV) were synthesized from 6-amino-1,3-dimethyluracil derivatives (I) with dimethyl acetylenedicarboxylate or diketene. Analogously, 5-oxothiopyrano[2,3-d]pyrimidine (VIII) was obtained from VII and diketene.
THE CHEMISTRY OF PHENALENIUM SYSTEM IX. REACTION OF LITHIUM PHENALENIDE WITH 1,2-DISUBSTITUTED 3,3-DICHLOROCYCLOPROPENES
Authors: Murata Ichiro , Nakazawa Tomoo , Shima Keiko 
Published: July 2006

Abstract
Reaction of lithium phenalenide (2) with 1,2-di-n-propyl-3,3-dichlorocyclopropene (3: R=n-C3H7), and with l,2-diphenyl-3,3-dichloro-cyclopropene (3: R=C6H5.) in ether under nitrogen gives rearranged products, 1,3-di-n-propylpyrene (4) and 10-phenyl-10-phenylethynylphenafulvene (5), respectively.
POLYMERIZATION OF CYOLOPENTADIENE WITH PERCHLORIC ACID
Authors: Kohjiya Shinzo , Terada Akira , Yamashita Shinzo 
Published: July 2006

Abstract
Cyclopentadiene was polymerized in toluene or in methylene chloride with perchloric acid. Kinetic features seemed to be very simple and propagation rate constants were estimated according to the kinetics of Pepper et al. The values of kP were 6.7 l/mol sec. in methylene chloride and 0.83 l/mol sec. in toluene.
[6]METACYCLOPHANE AND RELATED COMPOUNDS
Authors: Hirano Shigeo , Hiyama Tamejiro , Fujita Shinsaku , Nozaki Hitosi 
Published: July 2006

Abstract
The title phane (IV) with the shortest aliphatic bridge among [n]metacyclophanes has been obtained from the enone I. The PMR spectra indicate the pseudorotation of the hexamethylene chain occurring with abnormally high energy barrier of 11.1 kcal/mol at −31.5°C for IV and 12.4 kcal/mol at −4.5°C for its 12-bromo derivative (III).
DIFFERENCE BETWEEN VOLTAGE AND CURRENT FOLLOWER MODES AS CURRENT MEASURING DEVICE IN ELECTROCHEMICAL OSCILLATORY SYSTEM
Authors: Saito Atsuyoshi 
Published: July 2006

Abstract
It was found that polarograms of the electrochemical oscillatory systems showed anomalous current increase and oscillation in a narrow region of potentials in the descending branch of the current-voltage curves when the voltage-follower mode was used as a current measuring device, while the usual polarograms were observed by the current-follower mode.
SYNTHESIS OF ANOMERIC METHYL 6-O-(l-MYCAROSYL)-β-d-GLUCOSAMINIDES
Authors: Koto Shinkiti , Yago Kazuo , Zen Shonosuke , OMura Satoshi , Hata Toju 
Published: July 2006

Abstract
Anomeric isomers of methyl 2-amino-2-deoxy-6-O-(2,6-dideoxy-3-C-methyl-l-ribo-hexopyranosyl)-β-d-glucopyranoside (VI) were synthesized by the condensation of methyl 2-deoxy-2-(2,4-dinitroanilino)-β-d-glucopyranoside with 3,4-O-carbonyl-2,6-dideoxy-l-ribo-hexopyranosyl chloride (III), and subsequent removal of blocking groups.
HEAT CAPACITY ANOMALY IN THE CRYSTALLINE ORGANIC FREE RADICAL, p-Cl-BDPA
Authors: Yamauchi Jun , Adachi Kimio , Deguchi Yasuo 
Published: July 2006

Abstract
The heat capacity has been measured on polycrystalline sample of 1,3-bisdiphenylene-2-p-chlorophenyl-allyl (abbreviated as p-Cl-BDPA). The sharp heat capacity anomaly was observed at 3.25 K, which may imply a paramagnetic-antiferromagnetic phase transition. This phenomenon accords well with the other results obtained from the susceptibility, ESR, and NMR measurements.
RESONANCE RAMAN SPECTRUM OF THE STARCH–IODINE COMPLEX
Authors: Tasumi Mitsuo 
Published: July 2006

Abstract
Resonance Raman spectrum of the starch–iodine complex was observed in dilute aqueous solution. Three Raman bands observed at 163, 115, and 56 cm−1 are assigned, respectively, to the antisymmetric stretching, symmetric stretching, and bending vibrations of the I3− ion aligned linearly in the helical starch molecule.
STUDIES OF PHOTOSENSITIVE RESINS V. THE PHOTO-DECOMPOSITION MECHANISM OF O-NAPHTHOQUINONE DIAZIDES
Authors: Nakamura Kenichiro , Udagawa Sakae , Honda Kenichi 
Published: July 2006

Abstract
Photochemical decomposition of the naphthoquinone-diazide resists has been investigated from the behaviors of their excited states and from the resulting intermediates. The exposure of naphthoquinone diazide sulfonic acid solution to the flash irradiation gives rise to a new strong absorption in a region near 350 nm, which is identified as the ketene intermediates formed during the photo-decomposition process.
LEUCOTHOL A, AN ANTHRADITERPENOID FROM LEUCOTHOE GRAYANA MAX.
Authors: Furusaki Akio , Hamanaka Nobuyuki , Miyakoshi Hidehiro , Okuno Toshikatsu , Matsumoto Takeshi 
Published: July 2006

Abstract
The structure of leucothol A, C20H30O3, a minor constituent of Leucothoe grayana Max., has been determined as 2 by means of X-ray crystallographic analysis. Leucothol A is the first example of anthraditerpenoid.
THE USE OF 8-ACYLOXYQUINOLINE METAL COMPLEX IN THE ACYLATION REACTION AND THE KETONE SYNTHESIS. THE METAL ION PROMOTED REACTIONS OF 8-ACYLOXYQUINOLINE I.
Authors: Sakan Takeo , Mori Yutaka 
Published: July 2006

Abstract
8-Acyloxyquinoline metal complexes were discussed of their possible use as an active acylating agent. In this connection, the reaction of 8-acyloxyquinolines with the Grignard reagent was found to be useful as a novel synthetic method for ketones.
PREPARATION OF CRYSTALLINE SALTS OF METHYLPHENAZINIUM RADICAL CATION
Authors: Takagi Yutaka , Akasaka Kazuyuki , Imoto Toshiaki , Kawai Hitomi , Ishizu Kazuhiko 
Published: July 2006

Abstract
A stable crystalline salt (e.g. perchlorate) of the methylphenazinium radical cation was prepared. The method is based on the photoreduction of phenazine methosulfate in acid solution containing oxalate or tartrate.
ENANTIOMERIC SHIFT DIFFERENCE INDUCED BY THE LANTHANIDE SHIFT REAGENT: ITS CORRELATION WITH ABSOLUTE CONFIGURATION OF α-AMINO ACIDS
Authors: Ajisaka Katsumi , Kamisaku Masako , Kainosho Masatsune 
Published: July 2006

Abstract
Chiral lanthanide shift reagents have been found to be applicable to the absolute configurational problem as well as to the direct determination of optical purities of α-amino acids.
ION-MOLECULE REACTIONS OF SULFUR IONS (4S0 AND 2D0 STATES) AND CARBONYL SULFIDE IONS IN CARBONYL SULFIDE SYSTEM
Authors: Matsumoto Akira , Misaki Toshiyuki , Okada Satoshi , Taniguchi Setsuo , Hayakawa Teruo 
Published: July 2006

Abstract
Ion-molecule reactions in pure COS have been studied using a pulsing method. The reactions including the excited S+ for S+2 formation have been identified and the rate constants measured. The fraction of the excited state present in the S+ ions formed at electron energy 18.3 eV was estimated to be 0.36.
HIGH SENSITIVITY DOSIMETRY BY 14CO2
Authors: Sato Shoichi , Kamegashira Naoki , Tanabe Hiromi , Sasuga Norihiko , Danno Akibumi , Shinagawa Mutsuaki , Tamura Takaaki , Naito Keiji 
Published: July 2006

Abstract
The gamma dose rate in a nuclear reactor has been measured by using 14CO2 as the gaseous chemical dosimeter. High sensitivity of the dosimetry was attained by measurements of the specific radioactivity of the radiolyzed product, 14CO relative to that of 14CO2.
HIGH SELECTIVITIES OF ZIRCONIUM OXIDE CATALYST FOR ISOMERIZATION OF 1-BUTENE AND DEHYDRATION OF sec-BUTANOL
Authors: Yamaguchi Tsutomu , Sasaki Hiroshi , Tanabe Kozo 
Published: July 2006

Abstract
Zirconium oxide catalyst gave a high product ratio, 7.3, of cis-2-butene/trans-2-butene from 1-butene and 90.2% of 1-butene in butenes formed from sec-butanol. Poisoning effect of n-butylaraine or carbon dioxide on the reactions suggested that the catalyst has both acidic and basic character.
REACTION OF o-BENZOQUINONE DI-IMINE WITH o-PHENYLENEDIAMINE
Authors: Nogami Takashi , Hishida Tadanori , Shirota Yasuhiko , Mikawa Hiroshi 
Published: July 2006

Abstract
o-Benzoquinone di-imine was obtained fairly stably in ether solution by oxidizing o-phenylenediamine with lead dioxide. The reaction of o-benzoquinone di-imine with o-phenylenediamine was studied spectrophotometrically, and o,o′-diaminoazobenzene and 1,4-dicyanobutadiene were found to be formed as the reaction products. The reaction scheme was discussed.
CYCLIZATION REACTION OF N-(HALOACYL)- OR N-(PHTHALOYLGLYCYL)HYDROXYAMINO ACID ESTERS WITH AMMONIA
Authors: Shin Chung-gi , Nanjo Katsumi , Yoshimura Juji 
Published: July 2006

Abstract
A new type of cyclization of β-methoxy derivatives of N-haloacyl-or N-phthaloylglycyl-α-hydroxyamino acid esters with ammonia to 2-carbamoyl-4-imidazolidone is described.
MAGNETIC SUSCEPTIBILITY OF LITHIUM 2,2′-DIPYRIDYLIDE IN ITS DIETHYL ETHER ADDUCT
Authors: Inoue Motomichi , Hara Ken-ichi , Horiba Tatsuo , Kubo Masaji 
Published: July 2006

Abstract
The magnetic susceptibility of the diethyl ether adduct of lithium 2,2′-dipyridylide was determined at temperatures between 4.2 and 300 K. The magnetic susceptibility conforms to the alternating linear Heisenberg model (alternation parameter, a = 0.8) and indicates that strong antiferro magnetic interaction (J⁄k=−80 K) operates between anion radicals.