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Что (кто) такое quellung reaction - определение
Quellung reaction
REACTION IN WHICH ANTIBODIES BIND TO BACTERIAL CAPSULE
Quellung rection; Quellung
The quellung reaction, also called the Neufeld reaction, is a biochemical reaction in which antibodies bind to the bacterial capsule of Streptococcus pneumoniae, Klebsiella pneumoniae, Neisseria meningitidis, Bacillus anthracis, Haemophilus influenzae, Escherichia coli, and Salmonella. The antibody reaction allows these species to be visualized under a microscope.
Cascade reaction
![Heathcock]]'s synthesis of dihydroprotodaphniphylline features a highly efficient cascade involving two aldehyde/amine condensations, a Prins-like cyclization, and a 1,5-hydride transfer to afford a pentacyclic structure from an acyclic starting material.](https://commons.wikimedia.org/wiki/Special:FilePath/Dihydroprotodaphniphylline synthesis.png?width=200 "Heathcock]]'s synthesis of dihydroprotodaphniphylline features a highly efficient cascade involving two aldehyde/amine condensations, a Prins-like cyclization, and a 1,5-hydride transfer to afford a pentacyclic structure from an acyclic starting material.")
!['''Scheme 11.''' Pericyclic sequence for the synthesis of [2,2]paracyclophanes](https://commons.wikimedia.org/wiki/Special:FilePath/Scheme 11 - peri - pcyclophane.svg?width=200 "'''Scheme 11.''' Pericyclic sequence for the synthesis of [2,2]paracyclophanes")
!['''Scheme 14.''' Gold-catalyzed
formal intramolecular [4+2] cycloaddition of 1,6-enynes](https://commons.wikimedia.org/wiki/Special:FilePath/Scheme 14 - metal - gold enyne.svg?width=200 "'''Scheme 14.''' Gold-catalyzed
formal intramolecular [4+2] cycloaddition of 1,6-enynes")
!['''Scheme 15.''' Proposed cascade process in the formal intramolecular [4+2] cycloaddition of 1,6-enynes](https://commons.wikimedia.org/wiki/Special:FilePath/Scheme 15 - metal - gold enyne mech.svg?width=200 "'''Scheme 15.''' Proposed cascade process in the formal intramolecular [4+2] cycloaddition of 1,6-enynes")
CHEMICAL PROCESS
Tandem reaction; Domino reaction; Negishi zipper reaction; Negishi-Zipper reaction
A cascade reaction, also known as a domino reaction or tandem reaction, is a chemical process that comprises at least two consecutive reactions such that each subsequent reaction occurs only in virtue of the chemical functionality formed in the previous step.Tietze, L.
Étard reaction
OXIDISATION REACTION
Etard Reaction; Etard; Etard reaction; Étard Reaction
The Étard reaction is a chemical reaction that involves the direct oxidation of an aromatic or heterocyclic bound methyl group to an aldehyde using chromyl chloride.
