- bicyclic system
- układ bicyklicznyukład dwupierścieniowy
English-Polish dictionary for engineers. 2013.
bicyclic system
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Bicyclic semigroup — In mathematics, the bicyclic semigroup is an algebraic object important for the structure theory of semigroups. Although it is in fact a monoid, it is usually referred to as simply a semigroup. The first published description of this object was… … Wikipedia
isoprenoid — /uy seuh pree noyd/, adj. Chem. pertaining to, derived from, or similar to isoprene. [1955 60; ISOPRENE + OID] * * * or terpene Class of organic compounds made up of two or more structural units derived from isoprene. Isoprene is a five carbon… … Universalium
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heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… … Universalium
hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… … Universalium
Cycloalkane — Ball and stick model of cyclobutane Cycloalkanes (also called naphthenes not to be confused with naphthalene) are types of alkanes that have one or more rings of carbon atoms in the chemical structure of their molecules. Alkanes are types of… … Wikipedia
pteridine — noun Etymology: International Scientific Vocabulary pterin + idine Date: 1943 a yellow crystalline bicyclic base C6H4N4; broadly any of a class of compounds (as the pterins) that have the bicyclic ring system of pteridine and include especially… … New Collegiate Dictionary
1,3,2,4-Dithiadiphosphetane 2,4-disulfides — Ball and stick model of Fc2P2S4, diferrocenyl 1,3,2,4 dithiadiphosphetane 2,4 disulfide 1,3,2,4 Dithiadiphosphetane 2,4 disulfides are a class of four membered ring compounds which contain a P2S2 ring, many of these compounds are able to act as… … Wikipedia
Dowd-Beckwith ring expansion reaction — The Dowd Beckwith Ring Expansion Reaction is an organic reaction in which a cyclic β keto ester is expanded by up to 4 carbons in a free radical ring expansion reaction through an α alkylhalo substituent Ref|Dowd1 Ref|Dowd2 Ref|Beckwith1. The… … Wikipedia
C-H bond activation — Carbon hydrogen bond activation or CH activation may be defined as a reaction that cleaves a carbon hydrogen bond. Often the term is restricted to reactions involving organometallic complexes and proceeding by coordination of a hydrocarbon to the … Wikipedia
Carbon–hydrogen bond activation — or C−H activation may be defined as a reaction that cleaves a carbon–hydrogen bond. Often the term is restricted to reactions involving organometallic complexes and proceeding by coordination of a hydrocarbon to the inner sphere of metal, either… … Wikipedia
