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  2. Arylcyclohexylamine - Wikipedia

    en.wikipedia.org/wiki/Arylcyclohexylamine

    An arylcyclohexylamine is composed of a cyclohexylamine unit with an aryl moiety attachment. The aryl group is positioned geminal to the amine. In the simplest cases, the aryl moiety is typically a phenyl ring, sometimes with additional substitution. The amine is usually not primary; secondary amines such as methylamine or ethylamine, or ...

  3. Eticyclidine - Wikipedia

    en.wikipedia.org/wiki/Eticyclidine

    Eticyclidine (PCE, CI-400) is a dissociative anesthetic drug with hallucinogenic effects. It is similar in effects to phencyclidine but is slightly more potent. PCE was developed by Parke-Davis in the 1970s and evaluated for anesthetic potential under the code name CI-400, [2] but research into PCE was not continued after the development of ketamine, a similar drug with more favourable ...

  4. Williamson ether synthesis - Wikipedia

    en.wikipedia.org/wiki/Williamson_ether_synthesis

    Williamson ether synthesis. The Williamson ether synthesis is an organic reaction, forming an ether from an organohalide and a deprotonated alcohol ( alkoxide ). This reaction was developed by Alexander Williamson in 1850. [ 2] Typically it involves the reaction of an alkoxide ion with a primary alkyl halide via an S N 2 reaction.

  5. Ei mechanism - Wikipedia

    en.wikipedia.org/wiki/Ei_mechanism

    mechanism. In organic chemistry, the Ei mechanism ( Elimination Internal/Intramolecular ), also known as a thermal syn elimination or a pericyclic syn elimination, is a special type of elimination reaction in which two vicinal (adjacent) substituents on an alkane framework leave simultaneously via a cyclic transition state to form an alkene in ...

  6. Birch reduction - Wikipedia

    en.wikipedia.org/wiki/Birch_reduction

    The Birch reduction is an organic reaction that is used to convert arenes to 1,4-cyclohexadienes.The reaction is named after the Australian chemist Arthur Birch and involves the organic reduction of aromatic rings in an amine solvent (traditionally liquid ammonia) with an alkali metal (traditionally sodium) and a proton source (traditionally an alcohol).

  7. Oligonucleotide synthesis - Wikipedia

    en.wikipedia.org/wiki/Oligonucleotide_synthesis

    Oligonucleotide synthesis. Oligonucleotide synthesis is the chemical synthesis of relatively short fragments of nucleic acids with defined chemical structure ( sequence ). The technique is extremely useful in current laboratory practice because it provides a rapid and inexpensive access to custom-made oligonucleotides of the desired sequence.

  8. Electrocyclic reaction - Wikipedia

    en.wikipedia.org/wiki/Electrocyclic_reaction

    In organic chemistry, an electrocyclic reaction is a type of pericyclic rearrangement where the net result is one pi bond being converted into one sigma bond or vice versa. [ 1] These reactions are usually categorized by the following criteria: Reactions can be either photochemical or thermal. Reactions can be either ring-opening or ring ...

  9. Asymmetric hydrogenation - Wikipedia

    en.wikipedia.org/wiki/Asymmetric_hydrogenation

    Asymmetric hydrogenation is a chemical reaction that adds two atoms of hydrogen to a target (substrate) molecule with three-dimensional spatial selectivity. Critically, this selectivity does not come from the target molecule itself, but from other reagents or catalysts present in the reaction. This allows spatial information (what chemists ...