- cumulenes
- kumuleny
English-Polish dictionary for engineers. 2013.
cumulenes
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Cumulene — Not to be confused with cumene. A cumulene is a chemical compound with two or more cumulative (consecutive) double bonds, for example butatriene (which is also just called cumulene), H2C=C=C=CH2. Unlike alkanes and most alkenes, cumulenes tend to … Wikipedia
Cumulène — Un cumulène est un composé organique avec trois ou plus doubles liaisons consécutives (cumulatives), par exemple le butatriène, H2C=C=C=CH2 qui, comme étant le plus petit des cumulènes, est aussi appelé lui même cumulène. Contrairement aux… … Wikipédia en Français
Oxidation with dioxiranes — refers to the introduction of oxygen into organic molecules through the action of a dioxirane. Dioxiranes are well known for their oxidation of alkenes to epoxides; however, they are also able to oxidize other unsaturated functionality,… … Wikipedia
Allene — Allgemeine Formel der Allene (oben). Die Reste R1 bis R4 sind Organyl Reste (Alkyl Reste, Aryl Reste, Alkylaryl Teste etc.) oder andere Reste (z. B. Halogene) die gleich oder verschieden sein können. Propadien (unten), ist die Stammverbindung der … Deutsch Wikipedia
Richard Kuhn — Infobox Scientist name = Richard Kuhn image size = 180px birth date = birth date|1900|12|03|df=yes birth place = Vienna, Austria death date = death date and age|1967|08|01|1900|12|03|df=yes death place = Heidelberg, Germany nationality = Germany … Wikipedia
Nitrene — The generic structure of a nitrene group In chemistry, a nitrene (R N:) is the nitrogen analogue of a carbene. The nitrogen atom has only 6 valence electrons and is therefore considered an electrophile. A nitrene is a reactive intermediate and is … Wikipedia
Polyyne — The polyynes are a group of organic compounds with alternating single and triple bonds. The simplest example is diacetylene or buta 1,3 diyne, HC≡C C≡CH. Along with cumulenes, polyynes are distinguished from other organic chains by their rigidity … Wikipedia
Kumulene — Propadien (Allen, oben) und zwei Darstellungen der ebenen Molekülstruktur von Butatrien (Mitte und unten). Das System der kumulierten Doppelbindungen und der beteiligten Kohlenstoffatome ist blau markiert. Kumulene, oft auch Cumulene, (von lat.:… … Deutsch Wikipedia
Double bond — A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two. The most common double bond, that between two carbon atoms, can be found in alkenes. Many types of double bonds … Wikipedia
Norbert Krause — (* 30. September 1959 in Wolfsburg) ist ein deutscher Chemiker. Inhaltsverzeichnis 1 Leben 2 Auszeichnungen 3 Bücher 4 Webli … Deutsch Wikipedia
Гетерокумулены — Гетероаллены карбодиимиды, изоцианаты и кетены (три верхние структуры) и аллен (внизу). Гетерокумулены кумулены, в которых один или более углеродных атомов, входящих в систему кумулированных двойных связей, замещен на гетероатом. В… … Википедия
