optically active compounds

См. также в других словарях:

• optically active — adj capable of rotating the plane of vibration of polarized light to the right or left: either dextrorotatory or levorotatory used of compounds, molecules, or atoms * * * capable of rotating the plane of polarization of a light wave …   Medical dictionary

• optically active — optical activity optical activity n. (Chem.) the ability of a chemical compound to rotate the plane of plane polarized light. This is found only in chemicals whose molecular structure does not have a plane of symmetry, and is common in… …   The Collaborative International Dictionary of English

• optically active — adjective Date: 1875 capable of rotating the plane of vibration of polarized light to the right or left used of compounds, molecules, or atoms …   New Collegiate Dictionary

• organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium

• racemic — Denoting a mixture of optically active compounds that is itself optically inactive, being composed of an equal number of dextro and levorotatory substances, which are separable. Those compounds internally compensated ( i.e., having an internal… …   Medical dictionary

• Le Bel, Joseph-Achille — ▪ French chemist born Jan. 21, 1847, Péchelbronn, France died Aug. 6, 1930, Paris  French chemist whose explanation of why some organic compounds rotate the plane of polarized light helped to advance stereochemistry.       Le Bel studied at the… …   Universalium

• Chiral auxiliary — A chiral auxiliary is a chemical compound or unit that is temporarily incorporated into an organic synthesis so that it can be carried out asymmetrically with the selective formation of one of two enantiomers[1][2] . Chiral auxiliaries are… …   Wikipedia

• Kipping, Frederic Stanley — ▪ British chemist born Aug. 16, 1863, Manchester, Eng. died May 1, 1949, Criccieth, Caernarvonshire, Wales       British chemist who pioneered in the chemistry of silicones (silicone), organic derivatives of silicon.       Kipping became chief… …   Universalium

• Johannes Martin Bijvoet — (23 January 1892, Amsterdam – 4 March 1980, Winterswijk) was a Dutch chemist and crystallographer at the van t Hoff Laboratory at the University of Utrecht. He is famous for devising a method of establishing the absolute configuration of… …   Wikipedia

• Betablocker — Betablocker, auch Beta Rezeptorenblocker, β Blocker oder Beta Adrenozeptor Antagonisten, sind eine Reihe ähnlich wirkender Arzneistoffe, die im Körper β Adrenozeptoren blockieren und so die Wirkung des „Stresshormons“ Adrenalin und des… …   Deutsch Wikipedia

• Johannes Martin Bijvoet — (* 23. Januar 1892 in Amsterdam; † 4. März 1980 in Winterswijk) war ein holländischer Chemiker und Kristallograph im Fachbereich „Allgemeine Chemie“ an der Universität Utrecht. Er wurde bekannt durch die Entwicklung einer Methode zur Bestimmung… …   Deutsch Wikipedia