- cryptands
- Макаров: криптанды
Универсальный англо-русский словарь. Академик.ру. 2011.
cryptands
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Cryptand — Structure of 2.2.2 Cryptand encapsulating a potassium cation (purple). At crystalline state, obtained with an X ray diffraction.[1] … Wikipedia
Cryptand — Les cryptands sont une famille de ligands synthétiques bi ou polycycliques pour une sorte de cation. En 1987, le prix Nobel de chimie a été attribué à Donald J. Cram, Jean Marie Lehn, and Charles J. Pedersen pour leur travail sur les utilisations … Wikipédia en Français
alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… … Universalium
Jean-Marie Lehn — Infobox Scientist name = Jean Marie Lehn image size = 180px caption = Dresden University of Technology, 2008 birth date = birth date and age|1939|09|30|df=y birth place = Rosheim, France nationality = France field = Supramolecular chemistry work… … Wikipedia
Ozonide — is an unstable, reactive polyatomic anion O3−, derived from ozone, or an organic compound similar to organic peroxide formed by a reaction of ozone with an unsaturated compound. Contents 1 Inorganic ozonides 2 Organic ozonides 3 See also … Wikipedia
Lehn , Jean Marie Pierre — (1939–) French chemist Born at Rosheim in France, Lehn was educated at Strasbourg where he obtained his PhD in 1963, and at Harvard. After working in Strasbourg from 1966 to 1970, Lehn returned to Harvard as professor of chemistry. In 1979 he… … Scientists
Ether — This article is about a general class of organic compounds. For the specific compound, see diethyl ether. For the computer network technology, see ethernet. For the antiquated physics concept, see Luminiferous aether. For other uses, see Aether… … Wikipedia
Crown ether — 18 crown 6 coordinating a potassium ion Crown ethers are cyclic chemical compounds that consist of a ring containing several ether groups. The most common crown ethers are oligomers of ethylene oxide, the repeating unit being ethyleneoxy, i.e.,… … Wikipedia
Silicone grease — is a waterproof grease made by combining a silicone oil with a thickener. Most commonly, the silicone oil is polydimethylsiloxane and the thickener is amorphous fumed silica. Using this formulation, silicone grease is a translucent white viscous… … Wikipedia
Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known … Wikipedia
Cryptand — Kronenether sind cyclische Ether, deren schematischer Aufbau in der Abfolge von Ethylenoxyeinheiten (–CH2–CH2–O–) an eine Krone erinnert. Sie wurden von Charles Pedersen, einem Chemiker bei DuPont entdeckt (Pedersen 1967). Für diese Entdeckung… … Deutsch Wikipedia
