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Topics related to "Grignard,"

hydrolysis
hydrolysis , chemical reaction of a compound with water, usually resulting in the formation of one or more new compounds. The most common hydrolysis occurs when a salt of a weak acid or weak base (or both) is dissolved in water. Water ionizes into negative hydroxyl ions (OH - ) and positive hydrogen... Read more
magnesium
magnesium , metallic chemical element; symbol Mg; at. no. 12; at. wt. 24.305; m.p. about 648.8°C; b.p. about 1,090°C; sp. gr. 1.738 at 20°C; valence +2. In 1808, Sir Humphry Davy discovered magnesium in its oxide, although it is not certain that he isolated the metal. Pure magnesium was ... Read more
Nobel Prizes
Nobel Prizes Nobel Prizes Year Peace Chemistry Physics Physiology or Medicine Literature 1901 J. H. Dunant Frédéric Passy J. H. van't Hoff W. C. Roentgen E... Read more

Encyclopedia entries related to "Grignard,"

Grignard reagent
Book article from: The Columbia Encyclopedia, Sixth Edition Grignard reagent , any of an important class of...and other compounds. Chemically, a Grignard reagent is an organic magnesium halide...ion, e.g., bromide or iodide. A Grignard reagent will react with water, oxygen...
Victor Grignard
Book article from: The Columbia Encyclopedia, Sixth Edition Victor Grignard , 1871-1935, French chemist. He shared the 1912 Nobel Prize in Chemistry for his work in organic synthesis based on his discovery (1900) of the Grignard reagent . He taught at the Univ. of Nancy (1909-19) and at the Univ. of Lyons (from 1919).
organometallic chemistry
Book article from: The Columbia Encyclopedia, Sixth Edition ...bond with relatively positive carbon atoms in compounds such as alkyl halides, aldehydes, and ketones. For example, the Grignard reagent, RMgX (where X equals Br, Cl, or I), and organolithium compounds react with ketones to give secondary alcohols...
Nobel Prizes
Book article from: The Columbia Encyclopedia, Sixth Edition ...1911 T. M. C. Asser A. H. Fried Marie S. Curie Wilhelm Wien Allvar Gullstrand Maurice Maeterlinck 1912 Elihu Root Victor Grignard Paul Sabatier N. G. Dalen Alexis Carrel Gerhart Hauptmann 1913 Henri La Fontaine Alfred Werner Heike Kamerlingh Onnes C...
magnesium
Book article from: The Columbia Encyclopedia, Sixth Edition ...hydroxide, Mg(OH) 2 ), and citrate of magnesia are used in medicine. Magnesium reacts with organic halides to form the Grignard reagents of organic chemistry. Natural Occurrence Magnesium is the eighth most abundant element in the earth's crust but...
hydrolysis
Book article from: The Columbia Encyclopedia, Sixth Edition ...compounds under ordinary conditions. It does react with acid halides, acid anhydrides, and organometallic compounds, e.g., Grignard reagents . The addition of strong acids or bases or the use of steam will often bring about hydrolysis where ordinary water...

Dictionary entries related to "Grignard,"

Grignard, François Auguste Victor
Dictionary entry from: Complete Dictionary of Scientific Biography Grignard, Fran ç ois Auguste Victor...France, 13 December 1935) chemistry . Grignard developed the reaction that became one...xE9; bert and Th é ophile Henri Grignard, foreman and sailmaker at the marine...
Kipping, Frederick Stanley
Dictionary entry from: Complete Dictionary of Scientific Biography ...asymmetric organosilicon compounds and began his most important research. In his preparative reactions he discovered the value of Grignard reagent to substitute organic groups onto silicon atoms. Although his stereoisomer studies were only partially successful...
Fourneau, Ernest
Dictionary entry from: Complete Dictionary of Scientific Biography ...master of this material, he was entrusted with the important chapter (XII) on it in the Traite de chimie organique of Victor Grignard (1941). As early as 1910 he had summarized his investigations with enumerations and descriptions of amino alcohols, oxaminated...

Related newspaper, magazine, and trade journal articles from HighBeam Research

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 halides and their versatility in chemical synthesis. (Feature/Chronique).
Magazine article from: Canadian Chemical News; 10/1/2001; ; 700+ words ; Francois Auguste Victor Grignard was born in Cherbourg, France on...nearby marine arsenal [1]. The young Grignard attended the local Ecole primaire...enseignement special in 1887 [2]. Grignard passed the entrance examination for...
Homoallylic ketones and pyrroles by way of copper-catalyzed cascade additions of alkyl-substituted vinyl Grignard reagents to esters.(Report)
Magazine article from: Canadian Journal of Chemistry; 11/1/2007; ; 700+ words ; ...catalyzed cascade addition of vinyl Grignard reagents to carboxylic esters, a set...dimethyl-, and phenyl-substituted vinyl Grignard reagents in the presence of catalytic...homoallylic ketone, alkyl-substituted vinyl Grignard reagents, ozonolysis, pyrrole, [gamma...
Copper-catalyzed asymmetric allylic substitution reactions with organozinc and Grignard reagents *.(Report)
Magazine article from: Pure and Applied Chemistry; 5/1/2008; ; 700+ words ; ...framework for later developments which employ Grignard reagents and ferrocenyl ligands. High...the first to report AAAs in 1995 using Grignard reagents and allylic acetates (42...combination with linear dialkylzinc and Grignard nucleophiles, respectively. Modular...
German Inventors Develop Grignard Compounds Production Method
News Wire article from: US Fed News Service, Including US State News; 9/24/2008; 424 words ; ...Krebber of Eupen, Germany, have developed a method for forming Grignard compounds. According to the abstract released by the U.S...Office: "The invention relates to a method for producing Grignard compounds, according to which magnesium is reacted in a suitable...
New toxicology study findings recently were published by E. Grignard and co-researchers.
Newspaper article from: Life Science Weekly; 11/11/2008; 700+ words ; ...paradoxical decrease in cyp11a1 gene expression," wrote E. Grignard and colleagues (see also Toxicology). The researchers concluded...induced by chronic contamination with low doses of Cs-137." Grignard and colleagues published the results of their research in Archives...
Grignard Wins $126,156 Contract
News Wire article from: US Fed News Service, Including US State News; 5/25/2007; 300 words ; RICHMOND, Va., May 25 -- The Defense Logistics Agency has awarded a contract valued at up to $126,156 to Grignard Co. LLC, Newark, N.J., for cemicals and chemical products. The contract was awarded by the agency's Defense Supply...
Chemicals, raw materials & specialties. (Ethopropazine Hydrochloride-Grignard Reagents).(Directory )(Directory)
Magazine article from: Chemical Week; 9/1/2003; 700+ words ; ETHOPROPAZINE HYDROCHLORIDE ** WWW.SPECTRUMCHEMICAL.COM 800-378-7899 See catalog on CD ETHOSUXIMIDE ChemWerth Inc 4-ETHOXYACETOPHENONE ALFA AESAR, A JOHNSON MATTHEY COMPANY ETHOXYACRYLIC ACID ETHYL ESTER, 3- (BETA-EAE) ALFA AESAR, A JOHNSON MATTHEY COMPANY DEGUSSA FINE CHEMICALS ETHOXYACRYLO
PREPARATION OF 1-ADAMANTYL KETONES: STRUCTURE, MECHANISM OF FORMATION AND BIOLOGICAL ACTIVITY OF POTENTIAL BY-PRODUCTS
Magazine article from: Collection of Czechoslovak Chemical Communications; 5/1/2006; ; 700+ words ; ...adamantane-1-carbonyl chloride and several Grignard reagents as well as interactions with...Side products; Biological activity; Grignard reagents. Various amines containing...are generally based on the reaction of Grignard reagents with acyl chlorides15,16...
Small Business: Pet owner's creation fetches acclaim; Innovative dog bed for crate carries over into national business, commands an award.(Small Business)
Magazine article from: Crain's New York Business; 4/28/2003; 700+ words ; ...Byline: rebecca reisner When annette grignard told business adviser Frank Guarino that...thought she was crazy. After all, Ms. Grignard had a company car, a six-digit income...in Manhattan. As it turned out, Ms. Grignard knew exactly why. She was convinced...
A centenary celebration.
Magazine article from: Chemistry and Industry; 4/3/2000; ; 700+ words ; Grignard reagents: new developments Ed Herman...example is the Nobel prize awarded to Victor Grignard in 1912, for work published twelve years...paradigm shift indeed. A century on from Grignard's original publication, these eponymous...