- Barton , Sir Derek Harold Richard
- (1918–1998) British chemistBarton was born in Gravesend and was educated at Imperial College, London, where he obtained his PhD in 1942. After doing some industrial research he spent a year as visiting lecturer at Harvard before being appointed reader (1950) and then professor (1953) in organic chemistry at Birkbeck College, London. Barton moved to a similar chair at Glasgow University in 1955 but returned to Imperial College in 1957 and held the chair of chemistry until 1978, when he became director of the Institute for the Chemistry of Natural Substances at Gif-sur-Yvette in France. In 1986 he became a distinguished professor at Texas Agricultural and Mechanical University.In 1950 Barton published a fundamental paper on conformational analysis in which he proposed that the orientations in space of functional groups affect the rates of reaction in isomers. Barton discussed six-membered organic rings, particularly, following the earlier work of Odd Hassell, the ‘chair’ conformation of cyclohexane and explained its distinctive stability.This was done in terms of the distinction between equatorial conformations, in which the hydrogen atoms lie in the same plane as the carbon ring, and axial, where they are perpendicular to the ring. He confirmed these notions with further work on the stability and reactivity of steroids and terpenes.It was for this work that he shared the 1969 Nobel Prize for chemistry with Hassell. Barton's later work on oxyradicals and his predictions about their behavior in reactions helped in the development of a simple method for synthesizing the hormone aldosterone.
Scientists. Academic. 2011.
Look at other dictionaries:
Barton, Sir Derek Harold Richard — ▪ 1999 British chemist (b. Sept. 8, 1918, Gravesend, Kent, Eng. d. March 16, 1998, College Station, Texas), altered the landscape of modern chemistry by originating the fields of conformational analysis and stereochemistry. He showed how… … Universalium
Derek Harold Richard Barton — Saltar a navegación, búsqueda Sir Derek Harold Richard Barton ( Gavesend, Inglaterra 1918 College Station, EUA 1998 ) fue un fisicoquímico y profesor universitario inglés galardonado con el Premio Nobel de Química del año 1969. Biografía Nació el … Wikipedia Español
Derek Harold Richard Barton — Sir Derek Harold Richard Barton FRS (* 8. September 1918 in Gravesend, Kent; † 16. März 1998 in College Station, Texas) war ein britischer Chemiker und Träger des Chemienobelpreises. Leben und Wirken Barton studierte ab 1938 am Imperial College… … Deutsch Wikipedia
Barton, Sir Derek H.R. — ▪ British chemist Introduction in full Sir Derek Harold Richard Barton born September 8, 1918, Gravesend, Kent, England died March 16, 1998, College Station, Texas, U.S. joint recipient, with Odd Hassel (Hassel, Odd) of Norway, of the… … Universalium
Derek Harold Richard Barton — Sir Dereck Harold Richard Barton (8 septembre 1918 à Gravesend, Angleterre 16 mars 1998 à College Station, Angleterre) était un chimiste britannique. Il est colauréat avec Odd Hassel du prix Nobel de chimie de 1969.… … Wikipédia en Français
Chemienobelpreis 1969: Derek Harold Richard Barton — Odd Hassel — Der Brite Barton und der Norweger Hassel erhielten den Nobelpreis für die Entwicklung des Konformationsbegriffs und dessen Anwendung in der Chemie. Biografien Sir (seit 1972) Derek Harold Richard Barton, * Gravesend (England) 8. 9. 1918, ✝ … Universal-Lexikon
sir — /serr/, n. 1. a respectful or formal term of address used to a man: No, sir. 2. (cap.) the distinctive title of a knight or baronet: Sir Walter Scott. 3. (cap.) a title of respect for some notable personage of ancient times: Sir Pandarus of Troy … Universalium
Harold — /har euhld/, n. a male given name. * * * (as used in expressions) Alexander Harold Rupert Leofric George Alexander 1st Earl Arlen Harold Barton Sir Derek Harold Richard Bloom Harold Clurman Harold Edgar Crane Harold Hart James Harold Doolittle… … Universalium
Richard — /ri shahrd /; Fr. /rddee shannrdd /, n. Maurice /maw rees /; Fr. /moh rddees /, ( the Rocket ), born 1921, Canadian hockey player. /rich euhrd/, n. a male given name. * * * (as used in expressions) Allen Richard Arkwright Sir Richard Attlee… … Universalium
Derek — /der ik/, n. a male given name. * * * (as used in expressions) Barton Sir Derek Harold Richard Derek Niven van den Bogaerde Walcott Derek Alton * * * … Universalium