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Grignard Victor: more detail

Centenaire De La Naissance De Victor Grignard 1871-1971 by Roger Grignard, 1972-01-01
Hochschullehrer (Lyon): Gilles Deleuze, Victor Grignard, Robert Faurisson, Antoine-Augustin Cournot, François de Menthon, Suzanne Bastid (German Edition)
Hochschullehrer (Nancy): Victor Grignard, Étienne François, Robert Minder, Eugen Ewig, Laurent Schwartz, René Blondlot, Jacques-Louis Lions (German Edition)
Victor Grignard Ancestor of Organic Synthesis: Victor Grignard was a brilliant French chemist who became famous at age 29 for the discovery of the organomagnesium ... An article from: Canadian Chemical News by Brian T. Newbold, 2001-10-01
Traite De Chimie Organique Volume 12 by Victor Grignard, 1941
Self-Organization of Molecular Systems: From Molecules and Clusters to Nanotubes and Proteins (NATO Science for Peace and Security Series A: Chemistry and Biology)

lists with details

The Grignard Reaction
victor grignard was an enthusiastic young French chemist who discovered how tomake organomagnesium halides (RMgX) while working for his PH.
http://orac.sunderland.ac.uk/~hs0bcl/org3.htm

Extractions: How to Tackle Organic Syntheses - a Beginner's Guide by Prof Otto Meth-Cohn The Grignard Reaction Victor Grignard was an enthusiastic young French chemist who discovered how to make organomagnesium halides (RMgX) while working for his PH.D. His boss, Barbier, had been trying this sort of chemistry for some time, but Victor was the genius who solved the problem. This discovery in 1901 changed the course of organic chemistry and won him the Nobel Prize in 1912. We now refer to such compounds as Grignard Reagents - and they are the first tool in your bag. Victor's breakthrough came with two discoveries - an ether solvent was vital and the whole chemistry must be carried out bone dry . You take an alkyl halide (preferably a bromide or iodide but a very reactive chloride such as tertiary-butyl chloride or benzyl chloride will be OK) magnesium metal and ether (dried with sodium metal) and with a little persuasion you get a vigorous reaction resulting in a Grignard reagent. The reagent is used in solution (it is soluble in ether) and is never isolated. The metal is positively polarised and the alkyl group thus is like a carbanion. It certainly behaves as a carbanion. All kinds of alkyl halides react - and amazingly, even bromobenzene and other aryl bromides and iodides react easily with magnesium. This is particularly surprising since the aromatic halogen is so unreactive. For example, it is inert to refluxing aqueous sodium hydroxide even above 200C.
Grignard, François Auguste-Victor
grignard, François Augustevictor (1871-1935) grignard reagents added toformaldehyde (methanal) produce a primary alcohol; with any other aldehyde they
http://www.cartage.org.lb/en/themes/Biographies/MainBiographies/G/Grignard/1.htm

Extractions: French chemist. In 1900 he discovered a series of organic compounds, the Grignard reagents, that found applications as some of the most versatile reagents in organic synthesis. Members of the class contain a hydrocarbon radical, magnesium, and a halogen such as chlorine. He shared the 1912 Nobel Prize for Chemistry.
Lycée Victor Grignard
victor grignard BP 103 12 rue Guillaume FOUACE 50103 CHERBOURG cédex
http://www.etab.ac-caen.fr/grignard/index2.html
Gesellschaft Deutscher Chemiker E. V., GDCh - Victor Grignard - Georg Wittig-Vor
Gesellschaft Deutscher Chemiker eV, GDCh victor grignard - Georg Wittig-Vorlesung.
http://www.gdch.de/gdch/eps/namen/grignard__e.htm
Gesellschaft Deutscher Chemiker E. V., GDCh - Victor Grignard - Georg Wittig-Vor
Translate this page Gesellschaft Deutscher Chemiker eV, GDCh - victor grignard - Georg Wittig-Vorlesung.
http://www.gdch.de/gdch/eps/namen/grignard.htm
MSU Chemistry - Gallery Of Chemists' Photo-Portraits And Mini-Biographies - Indi
(Francois Auguste) victor grignard. grignard found that, in the presence of ether,magnesium reacts with alkyl and aryl halides at room temperature to form
http://poohbah.cem.msu.edu/Portraits/PortraitsHH_Detail.asp?HH_LName=Grignard
Grignard Reagents
One answer resulted from the work that Francois Auguste victor grignard startedas part of his Ph.D. research at the turn of the century.
http://chemed.chem.purdue.edu/genchem/topicreview/bp/2organic/grignard.html

Extractions: Grignard Reagents So far, we have built a small repertoire of reactions that can be used to convert one functional group to another. We have briefly discussed converting alkenes to alkanes; alkanes to alkyl halides; alkyl halides to alcohols; alcohols to ethers, aldehydes, or ketones; and aldehydes to carboxylic acids. We have also shown how carboxylic acids can be converted into esters and amides. We have yet to encounter a reaction, however, that addresses a basic question: How do we make C C bonds? One answer resulted from the work that Francois Auguste Victor Grignard started as part of his Ph.D. research at the turn of the century. Grignard noted that alkyl halides react with magnesium metal in diethyl ether (Et O) to form compounds that contain a metal-carbon bond. Methyl bromide, for example, forms methylmagnesium bromide. Et O CH Br + Mg CH MgBr Because carbon is considerably more electronegative than magnesium, the metal-carbon bond in this compound has a significant amount of ionic character. Grignard reagents such as CH MgBr are best thought of as hybrids of ionic and covalent Lewis structures.
Nobel Prize Winning Chemists
victor grignard. The Nobel Prize In Chemistry 1912. Francois Auguste victorgrignard was born in Cherbourg on May 6, 1871.
http://www.sanbenito.k12.tx.us/district/webpages2002/judymedrano/Nobel Winners/v

Extractions: Nobel Prize Winning Chemists Victor Grignard The Nobel Prize In Chemistry 1912 Francois Auguste Victor Grignard was born in Cherbourg on May 6, 1871. In 1901 he submitted his brilliant thesis on organic magnesium compounds Sur Les Combinaisons organomagnesiennes mixtes , and was awarded the degree Docteur es Sciences de Lyons. Grignard's first investigations concerned "ethyl beta-isopropylacetobutyrate and the stereoisomeric dilsopropylbutenedicarboxylic acids" and studies of branched unsaturated hydrocarbons. He studied organomagnesium compounds and his discovery of the classic preparation of magnesium alkyl halides was first communicated by Henri Moissan to the Academie des Sciences on May 11, 1900. He quickly developed the immediate applications of these elegant and simple reagents, which were destined to play such an important part in organic synthesis that, at the time of his death in 1935, there were over 6,000 references to them in the literature. He used the agents to prepare and study the more exotic alcohols, ketones, keto-esters, nitriles and terpene compounds and he developed a method for the synthesis of fulvenes. Grignard shared the Cahours Prize in 1901 and again in 1902, when he also won the Berthelot Medal. In 1905 he was awarded the Prix Jecker and in 1912 the Lavoiser Medal. In 1912 the Nobel Proze for Chemistry was conferred upon him, on account of his discovery of the so called Grignard reagent, sharing the prize with Paul Sabatier who received it because of his method of hydrogenating organic compounds by means of finely divided metals.
Grignard, François Auguste Victor
grignard, François Auguste victor (18711935). 20th Century victor grignardand Paul Sabatier. External links will open in a new browser window
http://www.euchems.org/Distinguished/20thCentury/grignard.asp

Extractions: Died: Lyon Rhône (France), 1935 Grignard obtained at the faculty of Lyon a licence in mathematics (1894). In the general chemistry laboratory of the Sciences Faculty in Lyon he was able to prepare the so called organomagnesium halides for the synthesis of new organic compounds. Grignard presented his work as his doctor's thesis (1901). Grignard reagents were used in all directions. The usefulness of the device was such that in 1910 he received a professorship in chemistry at the University of Nancy and of Lyon in 1919. In 1912 Grignard shared the Nobel Prize with Sabatier. French chemist, Nobel Prizewinner in 1912 for Grignard reagents Victor Grignard and Paul Sabatier
Organic Preparations Index Chemistry Contents Home Page
Francois Auguste victor grignard (1871 1935) Nobel Prize for Chemistry 1912 (withPaul Sabatier). This preparation describes the production of a tertiary
http://www.rod.beavon.clara.net/grignard_prep.htm

Extractions: (with Paul Sabatier) This preparation describes the production of a tertiary alcohol from a Grignard reagent and a ketone. The Grignard reagent is butylmagnesium bromide, CH CH CH CH MgBr, which is reacted with propanone. The structure of Grignard reagents is, perhaps surprisingly, not wholly clear. That it is complexed in some way with the solvent is known, as is its behaviour as a nucleophile, effectively CH CH CH CH The reaction is performed in a reflux apparatus which has a calcium chloride guard tube inserted in the top of the condenser. Hazards: the major hazard is the explosive nature of ethoxyethane vapour, followed closely by its anaesthetic effect. This preparation should only be done in an efficient fume cupboard, with no naked flames anywhere in the laboratory. Ethoxyethane vapour is very dense and can creep long distances along bench-tops and floors. Any attempt at this preparation must be based on the full text of the recipe (from Vogel's 'Handbook of Preparative Organic Chemistry') and a risk assessment appropriate to the institution must be made. Place a 250 cm three-necked round-bottomed flask, a double-surface water condenser, a tap funnel and a guard tube containing anhydrous calcium chloride in an oven at 120
Victor Grignard - Nobelpreis Für Chemie
grignard sche Reagenz, das in
http://www.nobelpreis.org/chemie/grignard.html
Grignard
François Auguste victor grignard was born in Cherbourg on May 6, 1871. He attendedlocal schools during 188387 and in 1889 he won a scholarship to the
http://chem-faculty.ucsd.edu/theodorakis/Quiz folder/grignard.html

Extractions: Victor Grignard - Biography Excerpt from: (http://www.nobel.se/chemistry/laureates/1912/grignard-bio.html) François Auguste Victor Grignard was born in Cherbourg on May 6, 1871. He attended local schools during 1883-87 and in 1889 he won a scholarship to the École Normale Spécial at Cluny. After two years, the school, which was intended to produce teachers for modern secondary schools, was closed because of a dispute between supporters of the "classic" and "modern" methods of secondary education. Grignard and his classmates were transferred to other establishments in order to finish the entitlement of their scholarships and Grignard himself had the good fortune to join the University of Lyons, where he was attached to the Faculté des Sciences. He was unsuccessful in the licentiate examination in mathematics and in 1892 he left to fulfil his military service. Towards the end of 1893 he was demobilized and returned to Lyons to gain the degree Licencié ès Sciences Mathématiques in 1894. In December, 1894, after some persuasion, he accepted a junior post in the Faculté des Sciences, working with Louis Bouveault: he was later promoted to préparateur and it was then that he began his long association with Philippe Barbier. He obtained the degree Licencié-ès-Sciences Physiques and in 1898 he became chef des travaux pratiques and also wrote his first paper, jointly with Barbier. In 1901 he submitted his brilliant thesis on organic magnesium compounds
Viktor Grignard 6 Mai 1871 In Cherbourg â ...
Translate this page Die ebenfalls nach victor grignard benannte grignard-Reaktion besitzt großeBedeutung für die synthetische Herstellung von Alkoholen
http://www.melifon.de/Victor Grignard

Extractions: "Viktor Grignard" ( 6. Mai in Cherbourg 13. Dezember in Lyon ) war ein franz¶sischer Chemiker Grignard erhielt den Nobelpreis f¼r Chemie "f¼r das von ihm aufgefundene so genannte Grignard'sche Reagenz , das in den letzten Jahren in hohem Grad den Fortschritt der organischen Chemie gef¶rdert hat" Die ebenfalls nach Victor Grignard benannte Grignard-Reaktion besitzt groe Bedeutung f¼r die synthetische Herstellung von Alkoholen Grignard, Victor Grignard, Victor Grignard, Victor ... Index (Vi)
Grignard - YourDictionary.com - American Heritage Dictionary
Search Mamma.com for grignard . TYPE IN YOUR WORD CLICK GO! Search Gri·gnard Listen gr nyär , François Auguste victor 1871-1935.
http://www.yourdictionary.com/ahd/g/g0270100.html
Grignard Synthesis
In the early part of the 20th century, victor grignard, a French organic chemist (theFrench pronunciation of his name can be approximated as greenyard )
http://chemistry2.csudh.edu/rpendarvis/grignard.html

Extractions: Summer 2001 Grignard Reagent and its Synthetic Uses Review of Reactivity Grignard Reagent Addition to Carbonyl Group Thinking from Products to Reactants ... Last time we looked at a reaction in which a new carbon-carbon bond was made. Today, we'll look at another such reaction, one which is generally quite useful for synthesis, the assembly of larger carbon structures from smaller molecules. First, let's look back over the reactions we've studied. We see some consistent patterns emerging in the addition reactions of carbonyl groups. The carbonyl carbon is electrophilic. Nucleophiles add there. If acid is present, the first step is attack of H at the oxygen atom. The nucleophile adds to the carbonyl carbon, which is now quite electrophilic, in the second step of the reaction. If acid is not present, the first step is the reaction of the nucleophile with the carbonyl carbon, a process in which the carbonyl oxygen becomes negatively charged. This step is followed by attachment of an H to that oxygen. Later steps, which depend upon the structure of the nucleophile, determine whether the overall reaction is addition or replacement of the oxygen by the nucleophilic atom.
SCI - Symposia & Congress
Journées victor grignard 14h40, victor grignard et la naissance de sonréactif Prof G. Bram Université Paris Sud XI, Orsay, France
http://www.scifrance.org/congres/grignard/proggb.html
SCI - Symposia & Congress
victor grignard was the Director for 15 years of this school (formerly Ecole de
http://www.scifrance.org/congres/grignard/default.html
Www.sobiografias.hpg.ig.com.br/VictorGr.html
victor grignard, né à Cherbourg, Prix Nobel de chimie, doyen de la Translate this page victor grignard, né à Cherbourg, Prix Nobel de chimie, doyen de la Faculté desSciences de Lyon. victor grignard reçoit le Prix Nobel de chimie en 1912.
http://www.sobiografias.hpg.ig.com.br/VictorGr.html
Grignard Molecule - 1
grignard Compounds. An organometallic compound can be described as one which hasa carbon compounds are named after Barbiers student, victor grignard.
http://www.ch.ic.ac.uk/rzepa/mim/nobel/grignard/gri_text1.html
Encyclopedia: Victor Grignard
Other descriptions of victor grignard. François Auguste victor grignard (born inCherbourg, 6 May 1871, died in Lyon, 13 December 1935) was a Nobel
http://www.nationmaster.com/encyclopedia/Victor-Grignard

Extractions: Related Articles People who viewed "Victor Grignard" also viewed: Grignard reagent J. H. van 't Hoff List of chemists Vladimir Prelog ... Yuan T. Lee What's new? Our next offering Latest newsletter Student area Lesson plans Recent Updates Zheng He Zeus Yukon general election, 2006 Yoji Biomehanika ... More Recent Articles Top Graphs Richest Most Murderous Most Taxed Most Populous ... More Stats Updated 212 days 10 hours 48 minutes ago. Other descriptions of Victor Grignard François Auguste Victor Grignard (born in Cherbourg 6 May , died in Lyon 13 December ) was a Nobel Prize -winning French chemist Grignard was the son of a sail maker. After studying mathematics at Lyon he transferred to chemistry, becoming a professor at the University of Nancy in . During World War I, he was transferred to the new field of chemical warfare, and worked on the manufacture of phosgene and the detection of mustard gas . His "opposite number" on the german side was another Nobel Prize winning Chemist, Fritz Haber He is most noted for devising a new method for creating carbon-carbon bonds (i.e. an

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