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Michael J S Dewar
Michael James Steuart Dewar (24 September 1918 – 10 October 1997) was an American theoretical chemist. Education and early life Dewar was the son of Scottish parents, Annie Balfour (Keith) and Francis Dewar. He received the degrees of Bachelor of Arts, Master of Arts, and DPhil from Balliol College, Oxford. Career and research Dewar was appointed to the Chair in Chemistry at Queen Mary College of the University of London in 1951. He moved to the University of Chicago in 1959 and then to the first Robert A. Welch research chair at the University of Texas at Austin in 1963. After a long and productive period there, he moved to the University of Florida in 1989. He retired in 1994 as Professor Emeritus at the University of Florida. He died in 1997. Dewar's reputation for providing original solutions to vexing puzzles first developed when he was still a postdoctoral fellow at the University of Oxford. In 1945, he deduced the correct structure for stipitatic acid, a mould pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ahmednagar
Ahmednagar, officially Ahilyanagar, is a city in, and the headquarters of, the Ahmednagar district, Maharashtra, India. Ahmednagar has several dozen buildings and sites from the Nizam Shahi period. Ahmednagar Fort, once considered almost impregnable, was used by the British Raj, British to house Jawaharlal Nehru (the first prime minister of India) and other Indian Nationalists before Indian independence. A few rooms there have been converted to a museum. During his confinement by the British at Ahmednagar Fort in 1944, Nehru wrote the book ''The Discovery of India''. Ahmednagar is home to the Indian Armoured Corps Centre & School (ACC&S), the Mechanised Infantry Regiment, Mechanised Infantry Regimental Centre (MIRC), the Vehicle Research and Development Establishment (VRDE) and the Controllerate of Quality Assurance Vehicles (CQAV). Training and recruitment for the Indian Army Armoured Corps takes place at the ACC&S. Ahmednagar is a relatively small town and shows less developm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellow Of The Royal Society
Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the Fellows of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural science, natural knowledge, including mathematics, engineering science, and medical science". Overview Fellowship of the Society, the oldest known scientific academy in continuous existence, is a significant honour. It has been awarded to :Fellows of the Royal Society, around 8,000 fellows, including eminent scientists Isaac Newton (1672), Benjamin Franklin (1756), Charles Babbage (1816), Michael Faraday (1824), Charles Darwin (1839), Ernest Rutherford (1903), Srinivasa Ramanujan (1918), Jagadish Chandra Bose (1920), Albert Einstein (1921), Paul Dirac (1930), Subrahmanyan Chandrasekhar (1944), Prasanta Chandra Mahalanobis (1945), Dorothy Hodgkin (1947), Alan Turing (1951), Lise Meitner (1955), Satyendra Nath Bose (1958), and Francis Crick (1959). More recently, fellow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropolone
Tropolone is an organic compound with the chemical formula . It is a pale yellow solid that is soluble in organic solvents. The compound has been of interest to research chemists because of its unusual electronic structure and its role as a ligand precursor. Although not usually prepared from tropone, it can be viewed as its derivative with a hydroxyl group in the 2-position. Synthesis and reactions Many methods have been described for the synthesis of tropolone. One involves bromination of 1,2-cycloheptanedione with ''N''-bromosuccinimide followed by dehydrohalogenation at elevated temperatures, while another uses acyloin condensation of the ethyl ester of pimelic acid the acyloin again followed by oxidation by bromine. : An alternate route is a +2 cycloaddition of cyclopentadiene with a ketene to give a bicyclo .2.0eptyl structure, followed by hydrolysis and breakage of the fusion bond to give the single ring: : Thy hydroxyl group of tropolone is acidic, having a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aromatic
In organic chemistry, aromaticity is a chemical property describing the way in which a conjugated system, conjugated ring of unsaturated bonds, lone pairs, or empty orbitals exhibits a stabilization stronger than would be expected from conjugation alone. The earliest use of the term was in an article by August Wilhelm Hofmann in 1855. There is no general relationship between aromaticity as a chemical property and the olfaction, olfactory properties of such compounds. Aromaticity can also be considered a manifestation of cyclic delocalization and of Resonance (chemistry), resonance. This is usually considered to be because electrons are free to cycle around circular arrangements of atoms that are alternately single- and double-covalent bond, bonded to one another. This commonly seen model of aromatic rings, namely the idea that benzene was formed from a six-membered carbon ring with alternating single and double bonds (cyclohexatriene), was developed by Friedrich August Kekulé ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stipitatic Acid
Stipitatic acid is a tropolone Tropolone is an organic compound with the chemical formula . It is a pale yellow solid that is soluble in organic solvents. The compound has been of interest to research chemists because of its unusual electronic structure and its role as a liga ... derivative isolated from '' Talaromyces stipitatus'' (''Penicillium stipitatum''). References Tropolones Tropones Aromatic compounds {{aromatic-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Texas At Austin
The University of Texas at Austin (UT Austin, UT, or Texas) is a public university, public research university in Austin, Texas, United States. Founded in 1883, it is the flagship institution of the University of Texas System. With 53,082 students as of fall 2023, it is also the largest institution in the system. The university is a major center for academic research, with research expenditures totaling $1.06 billion for the 2023 fiscal year. It joined the Association of American Universities in 1929. The university houses seven museums and seventeen libraries, including the Lyndon Baines Johnson Library and Museum, Lyndon B. Johnson Presidential Library and the Blanton Museum of Art, and operates various auxiliary research facilities, such as the J. J. Pickle Research Campus and McDonald Observatory. UT Austin's athletics constitute the Texas Longhorns. The Longhorns have won four NCAA Division I National Football Championships, six NCAA Division I National Baseball Champions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Queen Mary, University Of London
Queen Mary University of London (QMUL, or informally QM, and formerly Queen Mary and Westfield College) is a public research university in Mile End, East London, England. It is a member institution of the federal University of London. Today, Queen Mary has six campuses across East and Central London in Mile End, Whitechapel, Charterhouse Square, Ilford, Lincoln's Inn Fields and West Smithfield, as well as an international presence in China, France, Greece and Malta. The Mile End campus is the largest self-contained campus of any London-based university. Queen Mary is organised into three faculties – the Faculty of Humanities and Social Sciences, the Faculty of Science and Engineering, and Barts and The London School of Medicine and Dentistry. In 2023/24 the university had around 32,000 students. The annual income of the institution for 2023–24 was £712.2 million of which £146.8 million was from research grants and contracts, with an expenditure of £522.5 million. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Balliol College, Oxford
Balliol College () is a constituent college of the University of Oxford. Founded in 1263 by nobleman John I de Balliol, it has a claim to be the oldest college in Oxford and the English-speaking world. With a governing body of a master and around 80 fellows, the college's main buildings are located on Broad Street with additional buildings to the east in Jowett Walk and Holywell Manor. As one of the larger colleges of Oxford University, Balliol typically has around 400 of both undergraduates and graduates. The college pioneered the Philosophy, politics and economics, PPE degree in the 1920s. Balliol has #People associated with Balliol, notable alumni from a wide range of disciplines. These include 13 Nobel Prize winners and four List of prime ministers of the United Kingdom by education, British prime ministers. History and governance Foundation and origins Balliol College was founded in about 1263 by John I de Balliol under the guidance of Walter of Kirkham, the Bishop of Du ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doctor Of Philosophy
A Doctor of Philosophy (PhD, DPhil; or ) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of Postgraduate education, graduate study and original research. The name of the degree is most often abbreviated PhD (or, at times, as Ph.D. in North American English, North America), pronounced as three separate letters ( ). The University of Oxford uses the alternative abbreviation "DPhil". PhDs are awarded for programs across the whole breadth of academic fields. Since it is an earned research degree, those studying for a PhD are required to produce original research that expands the boundaries of knowledge, normally in the form of a Thesis, dissertation, and, in some cases, defend their work before a panel of other experts in the field. In many fields, the completion of a PhD is typically required for employment as a university professor, researcher, or scientist. Definition In the context o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theoretical Chemistry
Theoretical chemistry is the branch of chemistry which develops theoretical generalizations that are part of the theoretical arsenal of modern chemistry: for example, the concepts of chemical bonding, chemical reaction, valence, the surface of potential energy, molecular orbitals, orbital interactions, and molecule activation. Overview Theoretical chemistry unites principles and concepts common to all branches of chemistry. Within the framework of theoretical chemistry, there is a systematization of chemical laws, principles and rules, their refinement and detailing, the construction of a hierarchy. The central place in theoretical chemistry is occupied by the doctrine of the interconnection of the structure and properties of molecular systems. It uses mathematical and physical methods to explain the structures and dynamics of chemical systems and to correlate, understand, and predict their thermodynamic and kinetic properties. In the most general sense, it is explanation o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tetrahedron Prize
The Tetrahedron Prize for Creativity in Organic Chemistry or Bioorganic and Medicinal Chemistry is awarded annually by Elsevier, the publisher of Tetrahedron Publications. It was established in 1980 and named in honour of the founding co-chairmen of these publications, Professor Sir Robert Robinson and Professor Robert Burns Woodward. The prize consists of a gold medal, a certificate, and a monetary award of US $15,000. Prizewinners Winners of the prize are: * 2024 Eric N. Jacobsen * 2023 Chuan He * 2022 Chi-Huey Wong * 2021 Richard Bruce Silverman * 2020 Dale L. Boger * 2019 Peter G. Schultz * 2018 Stephen L. Buchwald and John Hartwig * 2017 Laura L. Kiessling * 2016 Ben Feringa * 2015 William L. Jorgensen * 2014 Barry Trost and Jirō Tsuji * 2013 Shankar Balasubramanian * 2012 Paul A. Wender * 2011 Manfred T. Reetz * 2010 Satoshi Ōmura * 2009 Steven V. Ley * 2008 Larry E. Overman * 2007 J. Fraser Stoddart * 2006 Hisashi Yamamoto * 2005 Bernd Giese * 2004 Koji ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
