syn elimination

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• Syn and anti addition — In organic chemistry, syn and anti addition are different ways in which two substituents can be added to a double bond or triple bond. This article will use alkenes as examples. Syn addition is the addition of two substituents to the same side… …   Wikipedia

• Syn — Addition syn ou anti sur une molécule d éthylène En chimie organique, une addition est dite syn si les deux substituants sont ajoutés du même côté (même face) d une liaison double ou triple. En général, le substrat sur lequel se fait l addition… …   Wikipédia en Français

• Elimination reaction — An elimination reaction is a type of organic reaction in which two substituents are removed from a molecule in either a one or two step mechanism [JerryMarch] . Either the unsaturation of the molecule increases (as in most organic elimination… …   Wikipedia

• elimination — noun 1. the act of removing or getting rid of something (Freq. 3) • Syn: ↑riddance • Derivationally related forms: ↑rid (for: ↑riddance), ↑eliminate • …   Useful english dictionary

• elimination — I (Roget s IV) n. 1. [The act of removing] Syn. dismissal, expulsion, exclusion; see removal 1 . 2. [The act of declining to consider] Syn. rejection, repudiation, denial, disqualification, exclusion, debarment, avoidance, rejecting, eliminating …   English dictionary for students

• Chugaev elimination — The Chugaev elimination is a chemical reaction that involves the elimination of water from alcohols to produce alkenes. The intermediate is a xanthate. It is named for its discoverer, the Russian chemist Lev Aleksandrovich Chugaev. In the first… …   Wikipedia

• reasoning by elimination — noun analysis of a problem into alternative possibilities followed by the systematic rejection of unacceptable alternatives • Syn: ↑elimination • Hypernyms: ↑analysis, ↑analytic thinking …   Useful english dictionary

• Alkene — This article is about the chemical compound. For the material, see Olefin fiber. Not to be confused with Alkane or Alkyne. A 3D model of ethylene, the simplest alkene. In organic chemistry, an alkene, olefin, or olefine is an unsaturated ch …   Wikipedia

• Peterson olefination — The Peterson olefination (also called the Peterson reaction) is the chemical reaction of α silyl carbanions 1 with ketones (or aldehydes) to form a β hydroxysilane 2 which eliminates to form alkenes 3.cite journal | author = D. J. Peterson |… …   Wikipedia

• Cope reaction — Not to be confused with Cope rearrangement. The Cope reaction or Cope elimination, developed by Arthur C. Cope, is an elimination reaction of an amine oxide to form an alkene and a hydroxylamine. The reaction mechanism involves an intramolcular 5 …   Wikipedia

• Ei mechanism — Ei elimination (Elimination Internal) in organic chemistry is a special type of elimination reaction in which two vicinal substituents on an alkane framework leave simultaneously in a single step to form an alkene in a syn elimination [J. March… …   Wikipedia