bluuebunny/crossref_metadata_2025_split huggingface dataset:
Reversible Control of Charge Transfer Interaction in the Langmuir–Blodgett Film of an Amphiphilic Cyclodextrin
Authors: Niino Hiroyuki , Miyasaka Hiroo , Ouchi Akihiko , Kawabata Yasujiro , Yabe Akira , Nakahara Hiroo , Fukuda Kiyoshige , Miyasaka Tomohiro , Tagaki Waichiro 
Published: May 2006

Abstract
Charge transfer (CT) interaction between a naphthoquinone derivative and an amphiphilic amino-γ-cyclodextrin was regulated in host-guest Langmuir–Blodgett (LB) film upon the irradiation of UV light. The CT absorption band of the complex was reduced by the exposure to UV light, and it gradually reappeared in dark at room temperature.
Hydrochlorination of Acryloylureas Using Titanium Tetrachloride and 2-Propanol
Authors: Kishikawa Keiki , Yamamoto Makoto , Kohmoto Shigeo , Yamada Kazutoshi 
Published: May 2006

Abstract
Hydrochlorination of acryloylureas was attempted using titanium tetrachloride and 2-propanol to give chloroacylureas with high yield and stereoselectivity.
“Cone”–“Partial Cone” Isomerism in Tetramethoxy-p-t-butylcalix[4]arene. Novel Solvent Effects and Metal Template Effects
Authors: Shinkai Seiji , Iwamoto Koji , Araki Koji , Matsuda Tsutomu 
Published: May 2006

Abstract
The solvent effects on the “cone”–“partial cone” equilibrium in tetramethoxy-p-t-butylcalix[4]arene were studied for the first time. It was found that the concentration of the “cone” isomer is increased with increasing solvent polarity. The shift in the equilibrium was accounted for by the differece in the dipole moment between “cone” and “partial cone” isomers.
Total Synthesis of Lettucenin A, a Guaianolid Phytoalexin from Lactuca sativa var. capitata
Authors: Monde Kenji , Takasugi Mitsuo , Katsui Nobukatsu , Masamune Tadashi 
Published: May 2006

Abstract
Lettucenin A, a novel composite phytoalexin with 2H-cyclohepta[b]furan-2-one ring system was synthesized from an indanone. The unique ring system was constructed by reductive ring expansion of a dibromomethylcyclohexadienone.
Biosynthetic Formation of Cyclic Bromo-ethers Initiated by Lactoperoxidase
Authors: Fukuzawa Akio , Aye Mya , Nakamura Masao , Tamura Mamoru , Murai Akio 
Published: May 2006

Abstract
The first biosynthetic in vitro evidence for marine natural bromo-ethers by using lactoperoxidase is reported.
Ring Expansion Reaction of 1,3-Dithiolanes and 1,3-Oxathiolanes Using Tellurium Tetrachloride
Authors: Tani Hiroyuki , Inamasu Tokuo , Tamura Rui , Suzuki Hitomi 
Published: May 2006

Abstract
On treatment with tellurium tetrachloride in dichloromethane at room temperature, 1,3-dithiolanes and 1,3-oxathiolanes undergo smooth ring expansion to give dihydro-1,4-dithiin and dihydro-1,4-oxathiin derivatives respectively in good to moderate yields.
Photocatalytic Asymmetric Reduction of 3-Methyl-2-oxobutanoic Acid with Chiral Rh(I) Complexes and Powdery Semiconductors
Authors: Wang Hanhein , Sakata Tadayoshi , Azuma Masashi , Ohta Tetsuo , Takaya Hidemasa 
Published: May 2006

Abstract
Photocatalytic asymmetric reduction of 3-methyl-2-oxobutanoic acid giving 2-hydroxy-3-methylbutanoic acid has been carried out in up to 60% ee in aqueous methanol with chiral BINAP–Rh(I) complexes and semiconductor photocatalysts, TiO2 or CdS.
Complexation between Monosaccharide and Potassium Ion in Gas Phase. A Correlation between Relative FABMS Peak-Intensities and Gas Phase Stabilities of the Cluster Ions
Authors: Sawada Masami , Ouyang Li , Takai Yoshio , Yamada Hitoshi , Hanafusa Terukiyo , Kinoshita Takeshi , Mochizuki Tomoko 
Published: May 2006

Abstract
Relative FABMS peak-intensities of the cluster ions between a set of permethylated aldopyranoses and potassium ion provide a lose relation with relative FABMS/MS area-intensities of the corresponding cluster ions between a set of methyl aldopyranosides and potassium ion.
Palladium(II)-Catalyzed Diastereoselective Acetalization of Hydroxyalkenes
Authors: Hosokawa Takahiro , Nakajima Fumio , Iwasa Shooji , Murahashi Shun-Ichi 
Published: May 2006

Abstract
Pd(II)-Catalyzed cyclization of methyl (2S,3S)-2-allyl-3-hydoxybutyrate with methanol gives (2R,4S,5S)-2,5-dimethyl-2-methoxy-4-methoxycarbonyltetrahydrofuran in 88% de. The cyclization of (2R,3S)-2-allyl-1,3-butanediol gives homochiral bicyclic acetal 3 (R1 = Me).
catena-μ-(1,9-Diaminononane)cadmium(II) Array in the Crystal Structure of catena-[Bis-catena-μ-(1,9-diaminononane)cadmium(II) cis-Di-μ-cyano-dicyanonickelate(II)]-(2,4-Xylidine) (1/2) Different from That in the 2,3-Isomer Analog
Authors: Hashimoto Masato , Iwamoto Toschitake 
Published: May 2006

Abstract
In a novel three-dimensional host framework of the title inclusion compound the ambidentate 1,9-diaminononane (danon) makes a two-dimensional catena-μ-network with Cd atoms in contrast with the catena-bis-μ-danon double-1D chain structure in the 2,3-xylidine analog. The 3D framework of the metal-complex host is accomplished by catena-μ-dicyano linkage of –NCNi(CN)2CN– between adjacent networks.
Thermal Stability of Metal Stearate LB Films Studied by Infrared Reflection–Absorption Spectroscopy
Authors: Hasegawa Takeshi , Kamata Toshihide , Umemura Junzo , Takenaka Tohru 
Published: May 2006

Abstract
Infrared reflection-absorption spectra of LB films of Cd, Ca, Ba, and Al stearates were measured at elevated temperatures, and thermal stability of the films was semiquantitatively examined. The conformational disorder suddenly increased at 110 °C for Cd salt, at 125 °C for Ca salt, and above 150 °C for Ba and Al salts. The spectral changes for the LB films subjected to cyclic thermal treatments were also studied.
A New Naturally Occurring Racemic Compound from the Marine Red Alga Laurencia obtusa (Hudson) Lamouroux
Authors: Takeda Satoshi , Iimura Yasuhiro , Tanaka Kazunori , Kurosawa Etsuro , Suzuki Teruaki 
Published: May 2006

Abstract
A new sesquiterpene alcohol has been isolated as a racemate from the title alga. The absolute structure of each enantiomer resolved by means of HPLC using chiral supports, was determined by the correlation with the synthetic intermediate, whose absolute structure was established by X-ray crystallographic analysis.
Organoborane-Catalyzed Hydroalumination of Terminal Allenes
Authors: Nagahara Shigeru , Maruoka Keiji , Doi Yoshiharu , Yamamoto Hisashi 
Published: May 2006

Abstract
Organoborane-catalyzed hydroalumination of terminal allenes with dichloroaluminum hydride gives rise to the corresponding allylaluminum compounds under mild conditions with high regioselectivity.
Regenerative Removal of Ammonia in the Atmosphere with Active Carbon Fibers
Authors: Mochida Isao , Kawano Sizuo , Fujitsu Hiroshi 
Published: May 2006

Abstract
Active carbon fibers (ACF) further activated with sulfuric acid adsorbed ammonia at room temperature up to 2–3% by weight before its break-through in repeated runs after the regeneration at 185 °C. The adsorption capacity of ACF was correlated to the amount of carbon dioxide evolved at a temperature range of 200–400 °C.
A Convenient Apparatus for the Study of the Electric Pulse Generation in the Liquid Membrane System. Critical Behaviour of the Voltage Generation
Authors: Miyamura Kazuo , Morooka Hitoshi , Hirai Kazuhiro , Gohshi Yohichi 
Published: May 2006

Abstract
A new experimental set-up consisting of a hollow glass tube inserted into the organic phase of an aqueous-organic-aqueous system in a beaker exhibited reproducible electric pulses. Changes in the electric pulses are brought about by changing the separation distance between the two aqueous phases as well as the concentration of CTAB and the picric acid.
A Regiospecific Ene Reaction between γ-Alkylated Allyltrimethylsilanes and TCNE
Authors: Imazu Sachiko , Shimizu Nobujiro , Tsuno Yuho 
Published: May 2006

Abstract
TCNE undergoes a regiospecific ene reaction with γ-alkyl (Et, Bu, i-Pr, and c-C6H11) substituted allyltrimethylsilanes via an addition to the allylic β-carbon and a hydrogen abstraction from the γ-alkyl group.
3-Acetoxy-2-dimethylphosphonoacrylates. New Dienophiles and Their Use for the Synthesis of Carbocyclic C-Nucleoside Precursors by the Aid of RRA Reaction
Authors: Katagiri Nobuya , Yamamoto Mitsuo , Kaneko Chikara 
Published: May 2006

Abstract
New dienophiles, 3-acetoxy-2-dimethylphosphonoacrylates, have been prepared and their Diels-Alder reactions with cyclopentadiene investigated. The [4 + 2] adducts thus formed were converted to carbocyclic C-nucleoside precursors by means of reductive retrograde aldol (RRA) reaction.
A Hydrogen Permeation through Metal-oxide Heterojunction
Authors: Shirai Hiroo , Sakaguchi Hiroki , Adachi Gin-ya 
Published: May 2006

Abstract
The hydrogen permeability of dual-layered films of Cu and various oxides was investigated by using the colouring phenomenon of amorphous WO3 and was found to depend on the difference in work function between Cu and oxides used.
A New Preparative Method of Buta-1,3-diene and Hexa-1,5-dien-3-yne by Reduction of Butatriene and Hexapentaene, Respectively, with Zn–ZnCl2-H2O
Authors: Kishigami Satoshi , Tanaka Koichi , Toda Fumio 
Published: May 2006

Abstract
The Zn–ZnCl2–H2O reagent was found to be effective for the reduction of aryl group substituted butatrienes and hexapentaenes to buta-1,3-dienes and hexa-1,5-dien-3-ynes, respectively.
Synthesis and Optical Resolution of a Chiral Calix[4]arene Asymmetrically-Substituted on the Lower Rim
Authors: Iwamoto Koji , Yanagi Akihiro , Arimura Takashi , Matsuda Tsutomu , Shinkai Seiji 
Published: May 2006

Abstract
A cone-shaped, asymmetrically-substituted calix[4]arene has been synthesized by a stepwise O-alkylation method and optically-resolved by an HPLC method. This is the first example for successful optical resolution of a calix[4]arene with ring-originating chirality.
Ruthenium Hydride Complex with 1,1′-Bis(diphenylphosphino)ferrocene (dppf). Characterization and Molecular Structure of [RuH3(dppf)2]PF6
Authors: Saburi Masahiko , Aoyagi Ko , Kodama Teruyuki , Takahashi Tamotsu , Uchida Yasuzo , Kozawa Kozo , Uchida Tokiko 
Published: May 2006

Abstract
The ruthenium trihydride complex [RuH3(dppf)2]PF6 (dppf = 1,1′-bis(diphenylphosphino)ferrocene) was prepared by contacting [RuH(dppf)2]PF6 with H2 gas, and its molecular structure was determined by the X-ray crystallography. The four phosphorus atoms were found to adopt a distorted tetrahedral arrangement around the Ru atom. The 1H and 31P NMR characteristics suggested that the above dppf complex is regarded as a Ru(IV) trihydride complex in the range 243–303 K.
Diastereofacial Selection in Titanium Tetrachloride-Promoted Aldol Reactions with the Silyl Ketene Acetal of Methyl (R)-3-Hydroxybutanoate
Authors: Shirai Fumiyuki , Gu Jin-Hua , Nakai Takeshi 
Published: May 2006

Abstract
The title reaction is shown to exhibit a high level of “anti” diastereofacial selection, in contrast to the “syn” selection observed for the reaction with the dilithium enolate of the chiral ester. Mechanistic grounds for the “anti” stereoselection are discussed.
Diastereoselective Ene Reaction of 3-Formyl-Δ2-isoxazolines
Authors: Kamimura Akio , Yamamoto Akinori 
Published: May 2006

Abstract
The ene reaction of 3-formyl-Δ2-isoxazolines proceeds smoothly in the presence of appropriate Lewis acid. An efficient 1,3-asymmetric induction takes place to give syn- and anti-homoallyl alcohols in a stereoselective way.
Reversible Doping and Undoping Behavior of Poly(2,5-thienylene) Studied by X-Ray Diffractiometry
Authors: Yamamoto Takakazu , Morita Atsushi , Kanbara Takaki 
Published: May 2006

Abstract
Extensive doping of poly(2,5-thienylene) (PTh) with iodine gives rise to a new crystal form with d value of 1.00, 0.49, 0.32, and 0.25 nm. Undoping of the iodine-doped PTh with N2H4 leads to recovery of original crystal structure of PTh, showing that rearrangement of PTh molecules after the undoping is very smooth.
β- and β″-Gallate, Gallium Analogues of β- and β″-Alumina, as Catalysts for High Temperature Combustion of Methane
Authors: Michiue Yuichi , Fujiki Yoshinori , Tominaga Hiroo 
Published: May 2006

Abstract
β- and β″-Gallate, gallium analogues of β- and β″-alumina, were tested for their catalytic activity for methane combustion. In spite of small surface areas, K- and Rb-β″-gallate gave promising results.
A Convenient Synthesis of α,ω-Difunctionalized Linear Dimethylsiloxanes with Definite Chain Lengths
Authors: Yoshino Koji , Kawamata Akira , Uchida Hiroaki , Kabe Yoshio 
Published: May 2006

Abstract
α,ω-Difunctionalized linear dimethylsiloxanes with definite chain lengths are conveniently prepared by the inorganic-solid-catalyzed ring cleavage of cyclodimethylsiloxanes with dimethylchlorosilane and water under very mild conditions.
Highly Diastereoselective Synthesis of cis-3,4-Disubstituted γ-Lactams by the Reaction of Ethyl 2,2-Dialkoxyeyclopropanecarboxylates with N-Tosyl Aldimines
Authors: Saigo Kazuhiko , Shimada Shigeru , Hasegawa Masaki 
Published: May 2006

Abstract
In the presence of titanium(IV) chloride, ethyl 2,2-dialkoxycyclopropanecarboxylates reacted with imines to give γ-lactams. Especially, when N-tosyl aldimines were employed, cis-3,4-disubstituted γ-lactams were obtained in good yields with high diastereoselectivity.
A Novel Selenium-Containing Heterocycle. Lewis Acid-Assisted Reaction of Selenoamides with Aldehydes Leading to 6H-1,3,5-Oxaselenazines
Authors: Sekiguchi Masahito , Ogawa Akiya , Fujiwara Shin-Ichi , Ryu Ilhyong , Kambe Nobuaki , Sonoda Noboru 
Published: May 2006

Abstract
New selenium-containing heterocyclic compounds, 6H-1,3,5-oxaselenazines, have been synthesized stereoselectively by the reaction of selenoamides with aldehydes in the presence of boron trifluoride etherate complex.
Aggregate Morphologies Formed from a Thickener, 4,4′-Bis-(3-decylureido)-diphenylmethane, of Urea Grease
Authors: Hasegawa Masaru , Hayashi Yukinobu , Arai Yoshifumi , Hashizume Genzo , Okamura Seiji , Iwamatsu Hiroki , Yamamoto Tadahiro 
Published: May 2006

Abstract
The aggregate morphologies formed from 4,4′-bis(3-decylureido)-diphenylmethane in a mineral oil at 180 °C were investigated by electron microscopy. The formed aggregates consisted of fiber with the tube-like shape which had not been observed in lubricating grease, and helices.
Anti-Cram Selective Reaction of α-Sulfenyl Acetals with Silylated Carbon Nucleophiles
Authors: Saigo Kazuhiko , Kudo Kazuaki , Hashimoto Yukihiko , Kimoto Hiroki , Hasegawa Masaki 
Published: May 2006

Abstract
α-Sulfenyl acetals reacted smoothly with silylated carbon nucleophiles such as silyl enol ether, ketene silyl acetal, and allylsilane in the presence of a catalytic amount of Lewis acid mainly to give anti-Cram adducts with high diastereoselectivity by the asymmetric induction of the α-sulfur atom of the acetals.
Evaluation of Host–Guest Interaction of Cyclodextrins with DL-Alanine β-Naphthylamide by 1H NMR Spectroscopy
Authors: Yamashoji Yuko , Tanaka Minoru , Shono Toshiyuki 
Published: May 2006

Abstract
The host-guest interaction of cyclodextrins (CDs) with L-alanine β-naphthylamide hydrobromide (L-AN) and DL-AN hydrochloride (DL-AN) was studied by 1H NMR. The inclusion complex formation of the guests with β- and γ-CDs in aqueous solution was confirmed by remarkable changes in their chemical shifts. In the case of α-CD, such remarkable changes were not induced, indicating weak or no interaction between the host and the guests.
Structural Investigation on Crystallization of ZSM-5-Type Ferrisilicate
Authors: Okabe Kiyomi , Matsubayashi Nobuyuki , Shimada Hiromichi , Hagiwara Hiroyuki , Nishijima Akio 
Published: May 2006

Abstract
Hydrothermal synthesis of ferrisilicate of ZSM-5 structurewas followed by FT-IR, XRD, XPS, XRF, TG, and EXAFS. It was found that the micro-structure around Fe formed before instantaneous crystallization of the bulk.
2005 Transportation Science and Logistics Society Dissertation Prize Competition
Authors: Hall Randolph 
Published: May 2006

The Transportation Science and Logistics (TSL) Society Dissertation Prize Competition is the oldest and most prestigious competition for doctoral dissertations in the field. The 2005 TSL dissertation prize committee consisted of Professor Donald Hearn (University of Florida), Professor Ben Heydecker (University College, London), Professor Mark Hickman (University of Arizona), Professor Andrew Philpott (University of Auckland), and Professor Randolph Hall (University of Southern California). Eligibility was limited to doctoral dissertations completed between June 1, 2004, and May 31, 2005, in the general area of transportation science and logistics. To be considered, a dissertation must be nominated by the author’s thesis supervisor. This year we received 15 nominations from 14 universities, representing such diverse areas as vehicle routing, traffic modeling, supply chain management, traveler behavior, and vehicle control. Dissertations were submitted from seven countries. This year’s pool of dissertations was exceptional in depth and creativity, and it was not easy for the committee to select a first place winner and an honorable mention. I would like to extend my sincere thanks to the authors, thesis supervisors, and prize committee for making this a truly significant contest, honoring transportation’s most outstanding new researchers. Awards were announced at the TSL meeting at the 2005 INFORMS Meeting in San Francisco. It is important to remember that submissions to the TSL dissertation prize committee are distinguished by the fact that they were nominated for the award. Each dissertation makes a unique and valuable contribution to transportation science and logistics, and all entrants and their advisors deserve warmest congratulations. Abstracts for the 15 dissertations follow; awardees are listed first and finalists’ abstracts follow in alphabetical order by author. First place: Luigi Moccia, Università della Calabria, Italy. Advisors: Manlio Gaudioso, Gilbert Laporte, and Jean-François Cordeau. Title: “New Optimization Models and Algorithms for the Management of Maritime Container Terminals.” Honorable Mention: Song Gao, Massachusetts Institute of Technology. Advisor: Moshe Ben-Akiva. Title: “Optimal Adaptive Routing and Traffic Assignment in Stochastic Time-Dependent Networks.”
The policy impact of population health surveys: an illustration of the measurement challenges using the NSW Health Survey
Authors: Anderson Rob 
Published: May 2006

English
In Australia and elsewhere, much funding is invested in population health surveys and the epidemiological monitoring of populations. Yet there is little research about the impact of such surveys on health policy. This article examines the challenges faced in assessing the benefits of health surveys. It draws on an evaluation of the New South Wales (NSW) Health Survey Program. Although it is possible to specify a wide range of potential impacts, the many different uses and levels of benefit of health survey data are difficult to quantify. Simpler surveys of whether and how data are used by policy makers may be the only realistic option.
Measurement of serum monoclonal components: comparison between densitometry and capillary zone electrophoresis
Authors: Mussap Michele , Pietrogrande Francesco , Ponchia Silvia , Stefani Piero Maria , Sartori Roberto , Plebani Mario 
Published: May 2006

AbstractQuantitative measurement of serum monoclonal protein (M-protein) is one of the most important tools for monitoring disease activity in monoclonal gammopathies. The aims of this study were to evaluate serum M-protein quantification by capillary zone electrophoresis (CZE) and to compare results with those obtained by densitometric scanning of high-resolution agarose gel electrophoresis (HRE-AGE). The evaluation was carried out on 82 samples from patients with various monoclonal gammopathies. All the suspected M-proteins were confirmed and characterised by immunofixation on agarose gel (IFE). CZE was performed on a Paragon CZE™ 2000 system (Beckman Coulter). Passing-Bablok regression was: y (CZE)=1.27×(HRE-AGE)–5.21g/L. The correlation coefficient was 0.92. Bland-Altman analysis demonstrated a mean difference of −1.83g/L (95% CI −0.76 to −2.90) with clear evidence of a concentration-related bias. Densitometry gave higher values at low M-spikes (<20g/L), whereas CZE gave higher values at large M-spikes (>20g/L). The concentration-related bias was found to be independent of the immunoglobulin isotype. In conclusion, to compare previous results obtained by M-protein densitometric scanning with those obtained by direct measurement of CZE peaks, the calculation of a univocal transforming factor appears to be unreliable.
Vegetation mapping with the aid of low‐altitude aerial photography
Authors: Kamada Mahito , Okabe Takeshi 
Published: May 2006

Abstract. A technique for fine‐scale vegetation mapping with the aid of low‐altitude aerial photography was developed. The procedure is as follows: 1. The site is divided into a lattice pattern ‐ in case the site is too large to fit into a single photograph with satisfactory resolution. The coordinates of every lattice point are surveyed to be used as control points for geometric correction. A photograph of each block of the lattice is taken using a remote‐controlled camera system lifted by a captive helium balloon. 2. The vegetation is classified on the basis of a phytosociological survey. 3. The shapes and locations of vegetation patches appearing in the photographs are entered into a computer, using a digitizer. A geometric correction is carried out through coordinate transformation referring to the coordinates of the control points and subsequently a draft vegetation map is produced. Finally, discrepancies are corrected and the map is coloured to produce the final version of the vegetation map.This technique was applied to vegetation mapping at a bar, 500 m wide and 2 km long, in the river Yoshino in Shikoku, Japan. A fine‐scale vegetation map was obtained and used to analyse the influence of plants on geomorphic processes and community‐specific hydrogeomorphic conditions on the bar.
Jean Barbot as a Source for the Slave Coast of West Africa
Authors: Law Robin 
Published: May 2006

The author, who collects from others, is far from being exact.John Barbot's Description of the Coasts of North and South Guinea, published in 1732 (and cited hereafter as 1732) is a text well known to historians of western Africa. The problems involved in its use as a historical source have been recognized for some time, and have been clarified in recent years primarily by the scholarship of Professor Paul Hair. The history of Barbot's text is, in general terms, now clear enough. John or, as he was originally called, Jean Barbot was a Frenchman who spent some time in the African trade, in the employment of the Compagnie du Sénégal. A Huguenot, he was obliged to leave France after the Revocation of the Edict of Nantes in 1685 and settled in England, where he died at Southampton in 1713. According to his own account (1732:381) Barbot made two voyages to Africa between 1678 and 1682. The manuscript journal of his first voyage, in 1678-79, is extant and has recently been published. That of his second voyage, in 1681-82, is not known to have survived. He subsequently wrote, in French, a general account of the western African coast under the title Description des Côtes d'Affrique, which he completed in 1688, but for which he was unable to find a publisher. This manuscript (hereafter cited as 1688) is also extant, and an English translation and critical edition of it is now in preparation, under the general editorship of Paul Hair. The 1688 Description was based partly on Barbot's own observations in 1678-82, but also drew extensively from earlier published accounts, especially from that of the Dutchman Dapper, published in 1668.