Cycloaliphatic Ring Bonded Directly To The Diazole Ring Patents (Class 548/345.1)
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Patent number: 8946443Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein R1 represents a C1 to C6 alkyl group which may be substituted by one to three groups selected from substituent group A, or the like (substituent group A: a hydroxy group, a halogeno group, a cyano group, a nitro group, an amino group, a carboxy group, a C1 to C3 alkyl group, etc.); R2, R3, and R8 each independently represent a hydrogen atom or a C1 to C3 alkyl group; R4, R5, R6, R7, R9, and R10 each independently represent a hydrogen atom or the like; and R11 represents a hydrogen atom or the like, has TAFIa enzyme inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, or the like.Type: GrantFiled: March 14, 2011Date of Patent: February 3, 2015Assignee: Daiichi Sankyo Company, LimitedInventors: Tsutomu Nagata, Jun Kobayashi, Yoshiyuki Onishi, Masamichi Kishida, Kengo Noguchi
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Triazole and imidazole derivatives for use as TGR5 agonists in the treatment of diabetes and obesity
Patent number: 8785488Abstract: The present invention comprises TGR5 agonists of structural formula I, wherein X, R1, R2, and R5 are defined herein, as well as N-oxides of them and pharmaceutically acceptable salts thereof. The invention further comprises composition comprising the compounds, N-oxides, and/or pharmaceutically acceptable salts thereof. The invention also comprises use of the compounds and compositions for treating diseases in which TGR5 is a mediator or is implicated. The invention also comprises use of the compounds in and for the manufacture of medicaments, particularly for treating diseases in which TGR5 is a mediator or is implicated.Type: GrantFiled: February 12, 2010Date of Patent: July 22, 2014Assignee: Exelixis Patent Company LLCInventors: Venkataiah Bollu, Brant Clayton Boren, Jackaline Dalgard Julien, Brenton T. Flatt, Nadia Haq, Sarah Hudson, Raju Mohan, Michael Morrissey, Benjamin Pratt, Tie-Lin Wang, Richard Martin, Xiao-Hui Gu -
Publication number: 20140107340Abstract: The present invention is directed to benzamide containing compounds which inhibit the P2X7 receptorType: ApplicationFiled: October 10, 2013Publication date: April 17, 2014Applicant: H. Lundbeck A/SInventors: John Paul Kilburn, Lars Kyhn Rasmussen, Mikkel Jessing, Eman Mohammed Eldemenky, Bin Chen, Yu Jiang, Allen T. Hopper
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Patent number: 8653125Abstract: The present invention discloses novel cyclohexane derivatives having NPY Y5 receptor antagonistic activity. Specifically, the present invention discloses a compound represented by the formula (I), or a pharmaceutically acceptable salt or a solvate thereof: wherein A is substituted or unsubstituted aryl or heterocyclyl; a combination of X and Y is a combination selected from (X, Y)?(C(?O)N(R1), C(?O)N(R2)), (C(?O)N(R1), imidazole-1,3-diyl), (N(R1), C(?O)N(R2)), (O, C(?O)N(R2)), (C(R3)(R4), N(R2)) or (a single bond, C(?O)N(R2)); R1, R2 and R3 are independently hydrogen or substituted or unsubstituted alkyl; R5 is substituted or unsubstituted aryl or heterocyclyl; R6 is halogen, oxo, substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy; m is 0 or 1; and n is an integer of 0 to 5; and B is aromatic carbocycle, monocyclic heterocycle or fused bicyclic heterocycle.Type: GrantFiled: March 5, 2010Date of Patent: February 18, 2014Assignee: Shionogi Co., Ltd.Inventors: Hiroshi Yoshida, Keisuke Tonogaki, Masahiro Sakagami, Kenji Takaya
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Publication number: 20130252930Abstract: Provided herein are inhibitors of CYP11B, CYP17, and/or CYP21 enzymes of Formula (Z), (IX), (X), (XI), (XII), (XIII), (XIV), (XV), (XVI), or (XVII). Also described herein are pharmaceutical compositions that include at least one compound described herein and the use of a compound or pharmaceutical composition described herein to treat androgen-dependent diseases, disorders and conditions.Type: ApplicationFiled: December 16, 2011Publication date: September 26, 2013Applicant: BIOMARIN PHARMACEUTICAL INC.Inventors: Daniel Chu, Bing Wang, Tao Ye
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Publication number: 20130190508Abstract: Novel N-heterocyclic carbene ligand precursors, N-heterocyclic carbene ligands and N-heterocyclic metal-carbene complexes are provided. Metal-carbene complexes comprising N-heterocyclic carbene ligands can be chiral, which are useful for catalyzing enantioselective synthesis. Methods for the preparation of the N-heterocyclic carbene ligands and N-heterocyclic metal-carbene complexes are given.Type: ApplicationFiled: March 8, 2013Publication date: July 25, 2013Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventor: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.
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Patent number: 8431717Abstract: The invention provides an improved, highly efficient method for preparing 5-(2-ethyl-2,3-dihydro-1H-inden-2-yl)-1H-imidazole, and its salts, in particular its pharmaceutically acceptable salts.Type: GrantFiled: December 3, 2008Date of Patent: April 30, 2013Assignee: JSC GrindeksInventors: Viesturs Lusis, Dzintra Muceniece, Inese Reine, Armands Zandersons
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Publication number: 20130012532Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein R1 represents a C1 to C6 alkyl group which may be substituted by one to three groups selected from substituent group A, or the like (substituent group A: a hydroxy group, a halogeno group, a cyano group, a nitro group, an amino group, a carboxy group, a C1 to C3 alkyl group, etc.); R2, R3, and R8 each independently represent a hydrogen atom or a C1 to C3 alkyl group; R4, R5, R6, R7, R9, and R10 each independently represent a hydrogen atom or the like; and R11 represents a hydrogen atom or the like, has TAFIa enzyme inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, or the like.Type: ApplicationFiled: March 14, 2011Publication date: January 10, 2013Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Tsutomu Nagata, Jun Kobayashi, Yoshiyuki Onishi, Masamichi Kishida, Kengo Noguchi
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Publication number: 20120130084Abstract: The application relates to processes for preparing fipamezole and its pharmaceutically acceptable salts, and intermediates thereof. It also provides intermediate compounds of Formula III and Formula IV, and processes for their preparation.Type: ApplicationFiled: January 31, 2012Publication date: May 24, 2012Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.Inventors: Ranjan Bhowmik Dipal, Lingam Yedugani, Raghavndra Rao Kamaraju, Subba Rao Jammula, Swapna Manikonda, Vilas H. Dahanukar
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Publication number: 20120071506Abstract: The present invention relates to a method for treating a disorder selected from depression, anxiety disorders, bipolar disorder, attention deficit hyperactivity disorder, stress-related disorders, psychotic disorders such as schizophrenia, neurological diseases such as Parkinson's disease, neurodegenerative disorders such as Alzheimer's disease, epilepsy, migraine, hypertension, substance abuse and metabolic disorders such as eating disorders, diabetes, diabetic complications, obesity, dyslipidemia, disorders of energy consumption and assimilation, disorders and malfunction of body temperature homeostasis, disorders of sleep and circadian rhythm, and cardiovascular disorders which comprises administering to an individual a therapeutically effective amount of a compound of formula I wherein R1, R2, Q, W, X, Y, m, and n are as defined in the specification, and their pharmaceutically active salts, racemic mixtures, enantiomers, optical isomers and tautomeric forms.Type: ApplicationFiled: November 23, 2011Publication date: March 22, 2012Inventors: Guido Galley, Katrin Groebke Zbinden, Roger Norcross, Henri Stalder
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Publication number: 20110201709Abstract: The instant invention provides an isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid foams made therefrom, and a process for making such foams. The trimerisation catalyst system comprises: (a) an imidazolium or imidazolinium cation; and (b) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C. The precursor formulation comprises: (1) at least 25 percent by weight of polyol, based on the weight of the precursor formulation; (2) less than 15 percent by weight of a trimerisation catalyst system, based on the weight of the precursor formulation, comprising; (a) an imidazolium or imidazolinium cation; and (c) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C.Type: ApplicationFiled: November 9, 2009Publication date: August 18, 2011Applicant: Dow Global Technologies LLCInventors: Phillip Athey, Nathan Wilmot, Richard Keaton, David A. Babb, Cecile Boyer, Timothy Morley
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Publication number: 20110065766Abstract: The present invention relates, in part, to methods of treatment, prevention, and inhibition of viral disorders. In one aspect, the present invention relates to inhibition of the M2 proton channel of influenza viruses (e.g. influenza A virus) and other similar viroporins (e.g., VP24 of Ebola and Marburg viruses; and NS3 protein of Bluetongue). The present invention further relates, inter alia, to compounds which have been shown to possess antiviral activity, in particular, inhibiting the M2 proton channel of influenza viruses.Type: ApplicationFiled: September 13, 2010Publication date: March 17, 2011Inventors: Jizhou Wang, Xiaodong Fan, Lidia Cristian
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Publication number: 20110059974Abstract: Retinoic acid metabolism blocking agents (RAMBAs). The RAMBAs may be used for treatment of cancer, including breast and prostate cancers. Methods for preparing novel retinamide RAMBAs. The methods include reacting RAMBAs with terminal polar carboxylic acid group with a variety of amines in the presence of suitable coupling reagents. The retinamide RAMBAs are potent inhibitors of the growth of prostate and breast cancer cells and may be useful for the treatment of these diseases in humans.Type: ApplicationFiled: May 7, 2009Publication date: March 10, 2011Applicant: UNIVERSITY OF MARYLAND, BALTIMOREInventors: Vincent C. O. Njar, Lalji K. Gediya, Aakanksha Khandelwal
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Publication number: 20110028733Abstract: The invention provides an improved, highly efficient method for preparing 5-(2-ethyl-2,3-dihydro-1H-inden-2-yl)-1H-imidazole, and its salts, in particular its pharmaceutically acceptable salts.Type: ApplicationFiled: December 3, 2008Publication date: February 3, 2011Inventors: Viesturs Lusis, Dzintra Muceniece, Inese Reine, Armands Zandersons
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Patent number: 7880017Abstract: The present invention provides a process for the preparation of imidazoles by reacting a cyano compound with a silylalkylisocyanide compound. Such imidazoles are useful pharmacologically-active compounds and/or intermediates for the preparation of pharmacologically-active compounds.Type: GrantFiled: May 4, 2007Date of Patent: February 1, 2011Assignee: Allergan, Inc.Inventors: Lloyd J. Dolby, Shervin Esfandiari, Michael E. Garst
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Patent number: 7754053Abstract: The invention relates to a process for the distillation of ionic liquids, in which a pressure not higher than ambient pressure is set in a first step and the ionic liquid is heated to a temperature in the range from 60° C. to 350° C. in a second step. The process is employed, in particular, for the purification of ionic liquids.Type: GrantFiled: January 7, 2005Date of Patent: July 13, 2010Assignee: BASF SEInventor: Matthias Maase
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Publication number: 20100152261Abstract: A nitrogen-containing heterocyclic derivative represented by the following general formula (I), or a hydrate or solvate thereof, which has a selective antagonistic action on the muscarinic M3 receptor and causes reduced cardiac side effect and thus is safe, and has superior pharmacological efficacy and prolonged action even by inhalation administration, and a pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier.Type: ApplicationFiled: July 25, 2006Publication date: June 17, 2010Applicant: MITSUBISHI TANABE PHARMA CORPORATIONInventors: Hideyuki Aizawa, Makoto Seki, Jun-ichi Endoh, Minoru Tanaka, Naoto Fujie, Osamu Sakuma, Takao Kamahori
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Publication number: 20080312451Abstract: The invention provides a process for the preparation of a sartan derivative of formula (I) (formula as filed in paper form) (I) wherein the substituents have the meaning indicated in the description, or a pharmaceutically acceptable salt thereof, comprising reacting 2-cyanophenylboronic acid or a derivative thereof with a p-halobenzyl-1H-imidazole derivative of formula (VI), (formula as filed in paper form) (VI) wherein (part of formula as filed in paper form), X, Y, R1 and R2 are as defined above, and Z is I, Br or Cl, in the presence of a transition metal catalyst and an inorganic or organic base.Type: ApplicationFiled: September 20, 2006Publication date: December 18, 2008Applicant: KRKA, d.d. Novo mestoInventors: Miroslav Veverka, Martin Putala, Heinrich Brath, Silvo Zuppancic
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Publication number: 20080296305Abstract: A method and device for storing and dispensing a fluid includes providing a vessel configured for selective dispensing of the fluid therefrom. Provided within a vessel is a nancomposite material comprising an imidazolium surfactant and an integral solvent that is essential to the formation of the nancomposite material. The fluid is contacted with the nanocomposite material for take-up of the fluid by the polymerized nanocomposite material. The fluid is released from the nanocomposite material and dispensed from the vessel.Type: ApplicationFiled: June 30, 2007Publication date: December 4, 2008Applicant: Matheson Tri-GasInventors: Carrie L. Wyse, Robert Torres, Andrew R. Millward, Richard D. Noble, Jason Edward Bara, Douglas Gin
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Publication number: 20070197620Abstract: The present invention relates to a method for treating a disorder selected from depression, anxiety disorders, bipolar disorder, attention deficit hyperactivity disorder, stress-related disorders, psychotic disorders such as schizophrenia, neurological diseases such as Parkinson's disease, neurodegenerative disorders such as Alzheimer's disease, epilepsy, migraine, hypertension, substance abuse and metabolic disorders such as eating disorders, diabetes, diabetic complications, obesity, dyslipidemia, disorders of energy consumption and assimilation, disorders and malfunction of body temperature homeostasis, disorders of sleep and circadian rhythm, and cardiovascular disorders which comprises administering to an individual a therapeutically effective amount of a compound of formula I wherein R1, R2, Q, W, X, Y, m, and n are as defined in the specification d or not; and their pharmaceutically active salts, racemic mixtures, enantiomers, optical isomers and tautomeric forms.Type: ApplicationFiled: January 19, 2007Publication date: August 23, 2007Inventors: Guido Galley, Katrin Groebke Zbinden, Roger Norcross, Henri Stalder
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Patent number: 7034034Abstract: Substituted 2-cyclohexyl-4-phenyl-1H-imidazole derivatives capable of modulating NPY5 receptor activity, are provided. Such compounds may be used to modulate NPY binding to NPY5 receptors in vivo or in vitro, and are particularly useful in the treatment of a variety of disorders (e.g., eating disorders such as obesity or bulimia, psychiatric disorders, diabetes and cardiovascular disorders such as hypertension) in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for treating such disorders are provided, as are methods for using such compounds for detecting NPY5 receptors.Type: GrantFiled: October 21, 2002Date of Patent: April 25, 2006Assignee: Neurogen CorporationInventors: Charles A. Blum, Harry L. Brielmann, Stephane De Lombaert, Xiaozhang Zheng
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Patent number: 6878734Abstract: Ligands for the gastrin and cholecystokinin (CCK) receptors are provided, together with methods for preparing such ligands, and compounds which are useful intermediates in such methods. Pharmaceutical compositions comprising such ligands, methods for preparing such pharmaceutical compositions, and methods of treatment using these compositions also are provided.Type: GrantFiled: May 4, 2001Date of Patent: April 12, 2005Assignee: James Black Foundation LimitedInventors: Sarkis Barret Kalindjian, Ildiko Maria Buck, Katherine Isobel Mary Steel, Paul Trevor Wright, Matthew John Tozer, Michael John Pether, Caroline Minli Rachel Low
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Patent number: 6794405Abstract: Alicyclic imidazole compounds; pharmaceutically active compositions containing such compounds; and the use of such compounds in formulations for the control or prevention of disease states in which histamine H3 receptors are involved, such as allergy, inflammation, hypotension, glaucoma, sleeping disorders, states of hyper- and hypo-motility of the gastro-intestinal tract, cardiovascular disease, hypo- and hyper-activity of the central nervous system, Alzheimer's, schizophrenia, obesity and migraines are disclosed.Type: GrantFiled: August 4, 2003Date of Patent: September 21, 2004Assignee: Merck & Co., Inc.Inventors: Yajing Rong, Jack B. Jiang, Syed M. Ali
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Publication number: 20030191116Abstract: Compounds of formula (I) and their pharmaceutically acceptable salts are ligands at gastrin and/or cholecystokinin receptors.Type: ApplicationFiled: April 10, 2003Publication date: October 9, 2003Inventors: Sarkis Barret Kalindjian, Ildiko Maria Buck, Caroline Minli Rachel Low, Matthew John Tozer
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Patent number: 6603019Abstract: Compounds having Formula 4 wherein the symbols have the meaning defined in the specification are inhibitors of the cytochrome P450RAI (retinoic acid inducible) enzyme, and are used for treating diseases responsive to treatment by retinoidsType: GrantFiled: February 21, 2002Date of Patent: August 5, 2003Assignee: Allergan, Inc.Inventors: Jayasree Vasudevan, Alan T. Johnson, Liming Wang, Roshantha A. Chandraratna
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Patent number: 6525082Abstract: A substance for inducing apoptosis represented by specific formulae. A pharmaceutical composition which can be used for an anticancer agent containing said substance.Type: GrantFiled: June 9, 2000Date of Patent: February 25, 2003Assignee: Takara Shuzo Co., Ltd.Inventors: Tatsuji Enoki, Nobuto Koyama, Katsushige Ikai, Ikunoshin Kato
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Patent number: 6518305Abstract: Disclosed are compounds of the formula: which are useful for inhibiting neuraminidases from disease-causing microorganisms, especially, influenza neuraminidase. Also disclosed are compositions and methods for preventing and treating diseases caused by microorganisms having a neuraminidase, processes for preparing the compounds and synthetic intermediates used in these processes.Type: GrantFiled: October 19, 1999Date of Patent: February 11, 2003Assignee: Abbott LaboratoriesInventors: Clarence J. Maring, Yuanwei Chen, David A. Degoey, Vincent L. Giranda, David J. Grampovnik, Yu Gui Gu, Warren M. Kati, Dale J. Kempf, April Kennedy, Allan C. Krueger, Zhen Lin, Darold L. Madigan, Steven W. Muchmore, Hing L. Sham, Kent D. Stewart, Vincent S. Stoll, Minghua Sun, Gary T. Wang, Sheldon Wang, Ming C. Yeung, Chen Zhao
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Patent number: 6479530Abstract: Imidazole derivatives of formula I wherein n is 0 or 1, R1 is hydrogen or C1-C4-alkyl, R2 is hydrogen or R2 and R3 together form a double bond, R3 is hydrogen or C1-C4-alkyl or R2 and R3 together form a double bond, R4 is hydrogen, C1-C4-alkyl, hydroxy or C1-C4-alkoxy, R5 is hydrogen or C1-C4-alkyl or R4 and R5 together with the carbon atom to which they are attached form a carbonyl group, R6, R7 and R8 are each the same or different and are independently hydrogen, C1-C4-alkyl or C2-C4-alkenyl, C3-C7-cycloalkyl, hydroxy, C1-C4-alkoxy, C1-C4-hydroxyalkyl, thiol, C1-4-alkylthio, C1-4-alkylthiol, halogen, trifluoromethyl, nitro or optionally substituted amino, X is —CHR9—(CHR10)m—, m is 0 or 1, and R9 and R10 are each the same or different and are independently hydrogen or C1-C4-alkyl; or a pharmaceutically acceptable ester or salt thereof, their preparation, use and pharmaceutical compositions comprising them are described.Type: GrantFiled: July 16, 2001Date of Patent: November 12, 2002Assignee: Orion CorporationInventors: Arto Karjalainen, Paavo Huhtala, Juha-Matti Savola, Siegfried Wurster, Maire Eloranta, Maarit Hillilä, Raimo Saxlund, Victor Cockcroft, Arja Karjalainen
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Patent number: 6426360Abstract: A class of compounds is described for treating inflammation and inflammation-related disorders.Type: GrantFiled: May 15, 2000Date of Patent: July 30, 2002Assignee: G D Searle & Co.Inventors: Richard M Weier, Paul W Collins, Michael A Stealey, Thomas E Barta, Renee M Huff
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Patent number: 6362211Abstract: A compound of formula I wherein R1 to R3, —A—, m and t are as defined in claim 1, or a pharmaceutically acceptable salt or ester thereof, useful as an alpha2 adrenergic agent.Type: GrantFiled: May 7, 2001Date of Patent: March 26, 2002Assignee: Orion CorporationInventors: Jari Ratilainen, Paavo Huhtala, Arto Karjalainen, Arja Karjalainen, Antti Haapalinna, Raimo Virtanen, Jyrki Lehtimäki
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Patent number: 6316380Abstract: This invention provides a catalyst system useful in many coupling reactions, such as Suzuki, Kumada, Heck, and amination reactions. The catalyst system of the present invention makes use of N-heterocyclic carbenes or their protonated salts. The composition of the catalyst system comprises at least one transition metal compound and at least one N-heterocyclic carbene or its protonated salt. This invention further provides novel N-heterocyclic carbenes and their protonated salts. One type of N-heterocyclic carbene used in this invention is an imidazolinc-2-ylidene wherein the 1 and 3 positions are each, independently, substituted by an aromatic group in which each ortho position is, independently, substituted by a secondary or tertiary group which has at least three atoms.Type: GrantFiled: February 22, 2000Date of Patent: November 13, 2001Assignee: University of New Orleans Research & Technology FoundationInventors: Steven P. Nolan, Jinkun Huang, Mark L. Trudell, Chunming Zhang
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Patent number: 6313311Abstract: Imidazole derivatives of formula (I) wherein n is 0 or 1, R1 is hydrogen or C1-C4-alkyl, R2 is hydrogen or R2 and R3 together form a double bond, R3 is hydrogen or C1-C4-alkyl or R2 and R3 together form a double bond, R4 is hydrogen, C1-C4-alkyl, hydroxy or C1-C4-alkoxy, R5 is hydrogen or C1-C4-alkyl or R4 and R5 together with the carbon atom to which they are attached form a carbonyl group, R6, R7 and R8 are each the same or different and are independently hydrogen, C1-C4-alkyl or C2-C4-alkenyl, C3-C7-cycloalkyl, hydroxy, C1-C4-alkoxy, C1-C4-hydroxyalkyl, thiol, C1-4-alkylthio, C1-4-alkylthiol, halogen, trifluoromethyl, nitro or optionally substituted amino, X is —CHR9—(CHR10)m—, m is 0 or 1, and R9 and R10 are each the same or different and are independently hydrogen or C1-C4-alkyl; or a pharmaceutically acceptable ester or salt thereof, their preparation, use and pharmaceutical compositions comprising them are described.Type: GrantFiled: February 2, 1999Date of Patent: November 6, 2001Assignee: Orion CorporationInventors: Arto Karjalainen, Paavo Huhtala, Juha-Matti Savola, Siegfried Wurster, Maire Eloranta, Maarit Hillilä, Raimo Saxlund, Victor Cockcroft, Arja Karjalainen
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Patent number: 6177575Abstract: Imidazoles may be manufactured by reacting a glyoxal, ammonia, an aldehyde, and optionally a primary amine, in the presence of a Bronsted acid whose pKa is approximately equal to the pKa of the ammonium cation of the primary amine, or if the primary amine is not present, to the pKa of the ammonium (NH4+) cation. The reaction may be used to make in relatively high yields a wide variety of imidazoles using relatively inexpensive starting materials. The imidazoles are useful as chemical intermediates.Type: GrantFiled: November 17, 1998Date of Patent: January 23, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Anthony J. Arduengo, III, Frederick P. Gentry, Jr., Prakash K. Taverkere, Howard E. Simmons, III