bluuebunny/crossref_metadata_2025_split huggingface dataset:
1‐Protected 5‐Amido 1,2,3‐Triazoles via Ruthenium‐Catalyzed [3 + 2] Cycloaddition of Azides and Ynamides.
Authors: Oppilliart Sophie , Mousseau Guillaume , Zhang Li , Jia Guochen , Thuery Pierre , Rousseau Bernard , Cintrat Jean‐Christophe 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis of Indolo[1,2‐f]phenanthridines from Palladium‐Catalyzed Reactions of Arynes.
Authors: Xie Chungsong , Zhang Yuhong , Huang Zedu , Xu Peixin 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A New Approach to Polycyclic Azonia Cations by Ring‐Closing Metathesis.
Authors: Nunez Ana , Cuardro Ana M. , Alvarez‐Builla Julio , Vaquero Juan J. 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Novel Synthesis of 7‐Fluoro‐8‐(trifluoromethyl)‐1H‐1,6‐naphthyridin‐4‐one Derivatives: Intermolecular Cyclization of an N‐Silyl‐1‐azaallyl Anion with Perfluoroalkene and Subsequent Intramolecular Skeletal Transformation of the Resulting Pentasubstituted Pyridines.
Authors: Suzuki Hiroyuki , Sakai Norio , Iwahara Ryohei , Fujiwaka Takayuki , Satoh Mitsunobu , Kakehi Akikazu , Konakahara Takeo 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Preparation of Functionalized Aryl‐ and Heteroarylpyridazines by Nickel‐Catalyzed Electrochemical Cross‐Coupling Reactions.
Authors: Sengmany Stephane , Leonel Eric , Polissaint Frantz , Nedelec Jean‐Yves , Pipelier Muriel , Thobie‐Gautier Christine , Dubreuil Didier 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Mitsunobu Coupling of Nucleobases and Alcohols: An Efficient, Practical Synthesis for Novel Nonsugar Carbon Nucleosides.
Authors: Lu Weibing , Sengupta Sujata , Petersen Jeffrey L. , Akhmedov Novruz G. , Shi Xiaodong 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Design and Synthesis of p/m‐[p‐(un)Substituted Phenylsulfonamido]phenyl β‐Diketo Acids and Quinoxalone Derivatives.
Authors: Zeng Cheng‐Chu , Li Xue‐Mei , Yan Hong , Zhong Ru‐Gang 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Enantioselective Hydrophosphonylation of Aldehydes Using an Aluminum Binaphthyl Schiff Base Complex as a Catalyst.
Authors: Ito Katsuji , Tsutsumi Hironori , Setoyama Masayuki , Saito Bunnai , Katsuki Tsutomu 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Diketobile Acids as New Hosts in Solid‐State Enantioselective Resolutions.
Authors: Fantin Giancarlo , Fogagnolo Marco , Perrone Daniela , Bortolini Olga 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Microwave‐Assisted, Zinc‐Mediated Peptide Coupling of N‐Benzyl‐α,α‐disubstituted Amino Acids.
Authors: Cianci Julia , Baell Jonathan B. , Harvey Andrew J. 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Damipipecolin (I) and Damituricin (II), Novel Bioactive Bromopyrrole Alkaloids from the Mediterranean Sponge Axinella damicornis.
Authors: Aiello Anna , Fattorusso Ernesto , Giordano Antonella , Menna Marialuisa , Mueller Werner E. G. , Perovic‐Ottstadt Sanja , Schroeder Heinz C. 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Soraphinol B, a New Acyloin Compound Produced by Sorangium cellulosum.
Authors: Ahn Jong‐Woong , Li XueMei , Zee Ok‐Pyo 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Spirodionic Acid, a Novel Metabolite from Streptomyces sp. Part 2. Total Synthesis Through a Twofold Michael Addition as a Selective Spiroanellation Strategy.
Authors: Siewert Juergen , Textor Adriana , Grond Stephanie , von Zezschwitz Paultheo 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A Formal Stereoselective Synthesis of (‐)‐Maurenone.
Authors: Yadav J. S. , Ravindar K. , Reddy B. V. S. 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthetic Studies on (‐)‐FR182877: Construction of the ABCD Ring System via Intramolecular Cycloadditions. Part 2.
Authors: Tanaka Natsumi , Suzuki Takahiro , Hosoya Yosuke , Nakada Masahisa 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis of (.+‐.)‐Thiohalenaquinone by Iterative Metalations of Thiophene.
Authors: Wakefield Bryan , Halter Robert J. , Wipf Peter 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Two Model System of the α1A‐Adrenoceptor Docked with Selected Ligands.
Authors: Asher Wesley B. , Hoskins Samatha N. , Slasor Leslie A. , Morris Deanna H. , Cook Erika M. , Bautista Debra L. 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Hierarchical Nanomanufacturing: From Shaped Zeolite Nanoparticles to High‐Performance Separation Membranes
Authors: Snyder Mark A. , Tsapatsis Michael 
Published: November 2007

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Bladder‐sparing, combined‐modality approach for muscle‐invasive bladder cancer
Authors: Perdonà Sisto , Autorino Riccardo , Damiano Rocco , De Sio Marco , Morrica Brunello , Gallo Luigi , Silvestro Giustino , Farella Antonio , De Placido Sabino , Di Lorenzo Giuseppe 
Published: November 2007

AbstractBACKGROUND.The authors evaluated their long‐term experience with combined‐modality, conservative treatment in patients with muscle‐invasive bladder cancer.METHODS.In total, 121 patients with T2, T3, or T4 bladder cancer (mean age, 63 years; ratio of men to women, 3:1) underwent induction by transurethral resection (TUR) of the tumor and received 2 cycles of neoadjuvant chemotherapy followed by radiotherapy (RT) (n = 43 patients) or radiochemotherapy (RCT) (n = 78 patients). Six weeks after RT or RCT, responses were evaluated by restaging TUR. Patients who achieved a complete response (CR) were observed at regular intervals. In patients who had persistent or recurrent invasive tumor, further treatment was recommended.RESULTS.Local response evaluation by restaging TUR was possible in 119 patients, and 102 of those patients (85.7%) achieved a CR. After a median follow‐up of 66 months (range, 6–182 months), no local or distant disease recurrences were observed in 67 of 102 complete responders (65.7%), 17 of 102 complete responders (16.7%) experienced superficial local disease recurrence, and 18 of 102 complete responders (17.6%) had a muscle‐invasive relapse. The 5‐year tumor‐specific, overall, and bladder‐intact survival rates were 73.5%, 67.7%, and 51.2%, respectively. Treatment modality, tumor classification, and resection status after initial TUR had an impact on survival rates (P = .04, P = .02, and P = .02, respectively).CONCLUSIONS.The current results indicated that conservative combined treatment is a reasonable alternative to radical cystectomy in selected patients with muscle‐invasive bladder cancer. Cancer 2008. © 2007 American Cancer Society.
Overcoming barriers to cancer clinical trial accrual
Authors: Umutyan Ari , Chiechi Christine , Beckett Laurel A. , Paterniti Debora A. , Turrell Corinne , Gandara David R. , Davis Sharon W. , Wun Ted , Chen Moon S. , Lara Primo N. 
Published: November 2007

AbstractBACKGROUND.Annually, only 3% of adult patients participate in cancer clinical trials (CCT). Accrual barriers include lack of CCT awareness and uncertain third‐party coverage. In 2002, a California law (SB37) required all insurers to reimburse costs related to CCT. The objective of the current study was to increase awareness of CCT and SB37 through a mass multimedia campaign (MMC) in the University of California (UC) Davis (UCD) Cancer Center catchment area. The authors assessed willingness to participate in and accrual to CCT.METHODS.Changes in CCT/SB37 awareness and willingness to participate were investigated before the MMC versus after the MMC and in UCD respondents versus UC San Diego (UCSD) catchment respondents—a control group that was not exposed to the MMC—by Pearson chi‐square and logistic regression analyses.RESULTS.Of 1081 post‐MMC respondents, 957 were from UCD, and 124 from UCSD. UCD respondents had a greater awareness of CCT (59% vs 65%; P < .01) and SB37 (17% vs 32%; P < .01) compared with UCSD respondents. Willingness to participate did not change in either cohort. Awareness level predicted willingness (odds ratio, 2.3; P < .01). Blacks, Asians, and lowest income (<$25 K per year) groups were the least willing to participate (P < .01, P < .04, and P < .02, respectively). The CCT accrual rate at UCD was unchanged.CONCLUSIONS.CCT and SB37 awareness increased significantly in the UCD cohort after the MMC. However, it was unclear whether this increase was attributable entirely to the MMC or to varying demographic variables. Enhancing patient willingness and accrual will require targeting other variables, such as physician or resource barriers, rather than just CCT and reimbursement awareness. Cancer 2008. © 2007 American Cancer Society.
Nucleation kinetics and growth aspects of organic nonlinear optical L‐arginine trifluoroacetate single crystals
Authors: Arjunan S. , Mohan Kumar R. , Mohan R. , Jayavel R. 
Published: November 2007

AbstractExperimental determination of solubility, metastable zonewidth and induction period for an organic nonlinear optical (NLO) L‐arginine trifluoroacetate (LATF) crystal is reported. The interfacial tension for different supersaturation conditions has been estimated for the LATF solution at 45°C. Bulk crystal of dimensions 57x5x3 mm3 has been grown by temperature lowering technique using optimized growth parameters. Powder X‐ray diffraction and FTIR studies confirm the crystalline nature and the functional groups of the grown crystals respectively. Linear optical property of the grown crystal has been studied by UV‐Vis spectrum. Thermal analyses have revealed that the compound is thermally stable upto 212°C. Kurtz powder SHG test confirm the nonlinear optical properties of the as‐grown LATF crystal. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Structural characterization and magnetic properties of the spinel compound CoIn0.5Cr1.5S4
Authors: Delgado G. E. , Sagredo V. , Bolzoni F. 
Published: November 2007

AbstractSingle crystals of the magnetic semiconductor CoIn0.5Cr1.5S4, belong to the system CoIn(2‐2X)Cr(2X)S4 with x = 0.75, was grown by the chemical transport method. X‐ray powder diffraction characterization by the Rietveld method indicated that CoIn0.5Cr1.5S4 crystallizes in the space group Fd‐3m, Z = 8, with a = 10.0700(6) Å and V = 1021.2(1) Å3, in a normal spinel structure. The temperature dependence of the DC magnetization suggests that the studied compound presents a ferromagnetic behavior with a Curie temperature Tc = 220 K. Sharp spin‐glass like behavior was found also. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ACRT forced convection and its effects on solute segregation and heat and mass transfer during single crystal growth
Authors: Juncheng Liu 
Published: November 2007

AbstractA numerical simulation study was carried out for CdZnTe vertical Bridgman method crystal growth with the accelerated crucible rotation technique (ACRT). The convection, heat and mass transfer in front of the solid‐liquid interface, and their effects on the solute segregation of the grown crystal can be characterized with the following. ACRT brings about a periodic forced convection in the melt, of which the intensity and the incidence are far above the ones of the natural convection without ACRT. This forced convection is of multiformity due to the changes of the ACRT parameters. It can result in the increases of both the solid‐liquid interface concavity and the temperature gradient of the melt in front of the solid‐liquid interface, of which magnitudes vary from a little to many times as the ACRT wave parameters change. It also enhances the mass transfer in the melt in a great deal, almost results in the complete uniformity of the solute distribution in the melt. With suitable wave parameters, ACRT forced convection decreases the radial solute segregation of the crystal in a great deal, even makes it disappear completely. However, it increases both the axial solute segregation and the radial one notably with bad wave parameters. An excellent single crystal could be gotten, of which the most part is with no segregation, by adjusting both the ACRT wave parameters and the crystal growth control parameters, e.g. the initial temperature of the melt, the temperature gradient, and the crucible withdrawal rate. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Synthesis, characterization and impedance spectroscopy of the new material [(CH3) (C6H5) 3P] 2CoBr4: a member of the A2BX4 family
Authors: Mostafa M. F. , Youssef A. A. , El Dean Th. Sh. , Mostafa A. M , Ahmed Farag I. S. 
Published: November 2007

AbstractThe crystal structure of bis‐(methyltriphenylphosphonium) tetrabromocobaltate (II), [(C19H18P)2 CoBr4] is determined: Mr = 933.203, monoclinic, P21, a = 9. 6977 (3) Å, b = 12.5547 (4)Å, c = 16.4503 (6)Å, β = 105.603 (2)°, V = 1929.04 (11)Å3, Z = 2, Dx = 1.607 Mg m‐3, T = 298 K. Differential thermal analysis at high temperatures shows three endothermic peaks characterizing four phases, with onset temperatures at T1= 313±2 K, T2 = 320±4 K and T3= 360±1 K. The structural instability detected via the temperature dependence of permittivity at T1 is ascribed to order‐disorder transition associated with cation dipole reorientation. Permittivity and ac conductivity studies as a function of temperature (295 K‐375 K) and frequency (0.11 kHz < f <100 kHz) are presented. The results indicate the importance of the cation size and shape on the phase transitions in the system. Bulk conductivity behavior is thermally activated. The associated activation energies are in the range 2.9 to 1.0 eV depending on the temperature regime. Two contributions to the ac conductivity, one dominating at low temperatures and high frequencies which are characterized by superlinear frequency exponent and the second dominates at high temperatures characterized by a sublinear frequency exponent. The behavior is interpreted in terms of the jump relaxation model. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Effect of surface tension‐driven flow on BaB2O4 crystal growth from high temperature melt‐solution
Authors: Pan Xiuhong , Jin Weiqing , Liu Yan , Ai Fei 
Published: November 2007

AbstractThe surface tension driven‐flow in BaB2O4 (BBO) melt‐solution is visualized by differential interference microscope coupled with Schlieren technique, and the streamline of the steady thermocapillary convection is found to be in form of an axially symmetric pattern. Based on the observation of BBO crystal rotation caused by the convective vortex, the widths of interfacial concentration, heat and momentum boundary layer are calculated. The effect of thermocapillary convection on boundary layer thickness is also investigated. Results show that the width of boundary layer decreases linearly with the increasing of dimensionless Marangoni number. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Crystal structure and thermal properties of a new double salt: K2SiF6·KNO3
Authors: Rissom C. , Schmidt H. , Voigt W. 
Published: November 2007

AbstractA new double salt K2SiF6·KNO3 was found during determination of the solubility of K2SiF6 in aqueous potassium nitrate solutions. Unit cell parameters (P63/mmc, a = 5.6268(1) Å, c = 14.5186(6) Å, V = 398.09(2) Å3, Z = 2) and crystal structure have been determined. The compound is further characterized by RAMAN spectroscopy and X‐ray powder diffraction. Thermal properties were studied using DTA, DSC and in situ high‐ temperature X‐ray powder diffraction measurements. At 287 °C K2SiF6·KNO3 decomposes into its components KNO3 and K2SiF6 with an enthalpy of decomposition of about + 42 J·g‐1. Further thermal effects could be assigned to phase transformations of KNO3 whereby earlier literature data have been reconfirmed. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Papillary Necrosis in a Kidney Transplant Following Profound Hypotension
Authors: Raza Muhammad N. , Tomson Charles R.V. , AshMiles Janice 
Published: November 2007

AbstractWe describe a case of a young woman developing profound hypotension requiring inotropic support for 10 days following her second cadaveric renal transplant. Her central venous pressure was adequate, with no evidence of myocardial infarction, and an echocardiogram later showed normal left ventricular function. She had delayed graft function with gradual recovery of her renal functions. On day 45, she developed acute renal failure after removal of a ureteric stent. Ultrasound confirmed hydronephrosis, and a subsequent nephrostogram demonstrated filling defects, likely to be sloughed papillae, causing obstruction. She later had percutaneous removal of necrotic material from the ureter in order to establish free urinary flow with stability of her renal functions. The most likely explanation for papillary necrosis in our patient was profound hypotension postoperatively. We believe our patient's hypotension was secondary to dialysis‐associated cardiovascular autonomic dysfunction, with substantial improvement in blood pressure after a successful renal transplant.
Immunohistochemical expression and distribution of VEGFR‐3 in malignant mesothelioma
Authors: Filho Adhemar Longatto , Baltazar Fátima , Bedrossian Carlos , Michael Claire , Schmitt Fernando C. 
Published: November 2007

AbstractHomogeneity of mesothelial and lymphatic endothelial cells, express some markers that are presumed to be exclusive of the endothelium was recently reported. This similarity is important to improve the diagnosis and prognosis of malignant mesothelioma (MM). Additionally, some of these markers provide the rationale for specific molecular‐targeted novel therapies aimed at MM, an aggressive malignant neoplasm, with an usually dismal prognosis. The goal of our study was to determine the prevalence and expression pattern of VEGF receptor‐3 (VEGFR‐3) immunoreactivity in MM and whether this immunoreactivity occurs in different phenotypes of this neoplasm. Formalin‐fixed and paraffin‐embedded samples from 29 MM cases and 5 metastatic carcinomas were immuno‐stained for VEGFR‐3 according to the streptavidin–biotin–peroxidase complex technique using a primary antibody (Zymed Laboratories, CA, USA) diluted at 1:200. Lymphatic vessels (LV) were outlined mainly in the peripheral area surrounding the neoplasms. Blood vessels were only rarely positive for VEGFR‐3 in a pattern easily distinguishable from LV. In 25 out of 29 cases (86.2%) LV were strongly positive for VEGFR‐3: 14 cases (48.2%) exhibited positive VEGFR‐3 reactivity in malignant cells. Epitheliod MM showed a moderate to intense VEGFR‐3 positive reaction in LV from 8 out of 19 cases. Among the other histological subtypes, a positive VEGFR‐3 reaction was noted in malignant cells from two cases of transitional and one case of pleomorphic MM. Malignant cells from two out of three biphasic and one out of three sarcomatoid MM were also positive for VEGFR‐3. Interestingly, one case of the multicystic subtype was negative for VEGFR‐3 in malignant cells and faintly positive in an occasional LV. All cases of metastatic carcinoma were negative for VEGFR‐3 in the neoplastic cells. In conclusion, VEGFR‐3 was expressed in malignant cells from different subtypes of MM, reinforcing the putative role of this marker as a potential therapeutic target in this group of neoplasia. Diagn. Cytopathol. 2007;35:786–791. © 2007 Wiley‐Liss, Inc.
MUC4 is upregulated in ovarian carcinoma effusions and differentiates carcinoma cells from mesothelial cells
Authors: Davidson Ben , Baekelandt Mark , Shih Ie‐Ming 
Published: November 2007

AbstractUsing gene expression arrays, we recently showed that MUC4 expression is significantly higher in ovarian/primary peritoneal serous carcinoma (OC/PPC) compared to diffuse peritoneal malignant mesothelioma (DMPM). In the present study, we analyzed the anatomic site‐related expression of MUC4 in OC/PPC and studied its prognostic role. We additionally studied the ability of MUC4 to differentiate between OC/PPC and reactive mesothelial cells (RMC). OC/PPC effusions (n = 142) and benign reactive effusions (n = 10) were immunostained for MUC4 expression. Immunoreactivity was scored in carcinoma cells and RMC and was compared with tumor cell expression in 60 previously studied primary carcinomas and solid metastases and analyzed for association with clinicopathologic parameters, including survival. MUC4 was detected in carcinoma cells in 141/142 (99%) effusions, with comparable expression in peritoneal and pleural effusions. RMC were present in 72 malignant effusions and were MUC4‐negative in all specimens, as well as in the 10 reactive effusions. MUC4 expression in carcinoma cells in effusions was significantly higher than in primary carcinomas and solid metastases (P < 0.001). Higher MUC4 expression was seen in tumors from older (>60 year) patients (P = 0.049). No association was found between MUC4 expression and other clinicopathologic parameters, including survival. MUC4 is universally expressed in OC/PPC effusions and is upregulated at this anatomic site compared to primary carcinomas and solid metastases. The data in the present study, together with our earlier report, show that MUC4 is an excellent marker for differentiating OC/PPC from both benign and malignant mesothelial cells. Diagn. Cytopathol. 2007;35:756–760. © 2007 Wiley‐Liss, Inc.