CĂRȚI ÎN GERMANĂ ÎN LEGĂTURĂ CU «ALDOL»
Descoperă întrebuințarea
Aldol în următoarea selecție bibliografică. Cărți în legătură cu
Aldol și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Germană.
1
Struktur und Reaktivität der Biomoleküle: eine Einführung in ...
Die Aldol-Addition Die nucleophile Addition von Enolat-Ionen bzw. Enolen an die
Carbonyl-Gruppe der Aldehyde oder Ketone wurde früher Aldol- Kondensation
genannt, weil sie bei der Bildung des Aldols (' Aldehyd-Alkohol< ) schlechthin ...
2
Grundlagen der Organischen Chemie
Aldol-Addition und Claisen-Kondensation sind mechanistisch verwandt. In
beiden Fällen greift ein Enolat-Ion eine Carbonylgruppe an, und in beiden Fällen
wird eine neue C,CBindung geknüpft. .. Aldol-Addition: Acetaldehyd H3C O O .
3
Handbuch der organischen Chemie
Bleibt das Aldol einige Tage oder Wochen stehen, so scheiden sich trikline
Prismen von Реи-1111101 (C,HSO2)2 aus, die man durch Waschen mit Aether
isolirt. — Schmelzp.: 80-900; Siedep.: 90—1000 (im Vakuum), dabei zum Theil in
Aldol ...
4
Organische Chemie, 7. vollst. Überarb. u. erw. Auflage 2012: ...
Die nucleophile Addition dieses Carbanions an das (elektrophile) Carbonyl-C-
Atom eines benachbarten Aldehyd- oder Keton-Moleküls führt zu einem Alkoxid-
Anion, dessen Säure-BasenReaktion mit Wasser ein Aldol ergibt: H H H H R H n.
Eberhard Breitmaier, Günther Jung, 2014
Die Aldol-Reaktion ist der erste Schritt einer in technischem Maßstab
durchführbaren 1,3-Buta- dien-Synthese aus Acetaldehyd: /Н ОН /H +H2/NÍ [H*]
2 н3с-с ▻ н3с-сн— сн2— с — *□ н3с-сн— сн2-сн2-он — ▻ Н2С=СН— сн=
сн2 о он о он ...
Eberhard Breitmaier, Günther Jung, 2005
6
Karlsons Biochemie und Pathobiochemie
Schließlich betrachten wir noch die Aldol-Addition, meist (nicht ganz korrekt)
Aldol-Kondensation genannt. Hierbei wird eine CH-acide Verbindung an eine
Carbonyl-Gruppe angelagert. Wie -a>1.11c zeigt, kann es anschließend noch zur
...
7
Science of Synthesis: Houben-Weyl Methods of Molecular ...
20.5.1.3.1.2.1.1 Variation1: Using the Homo Aldol–Tishchenko Reaction The
homo aldol–Tishchenko reaction involves the trimerization of enolizable
aldehydes. Under the reaction conditions, 2 equivalents of an aldehyde undergo
...
Julien Beignet, Daniel Bellus, Sherry R. Chemler, 2014
8
Chemie: Eine Einführung
Im weiteren Sinne versteht man unter Aldol-Kondensation auch eine
entsprechende CC-Verknüpfung, wenn beide Komponenten voneinander
verschiedene Oxo-Komponenten sind, Aldehyde und/ oder Ketone. Die
carbanionische ...
9
Houben-Weyl Methods of Organic Chemistry Vol. VII/2b, 4th ...
Die cyclisierende Aldol-Kondensation einer Reihe von 2- Oxe- 1 - ( 3 -oxe—butyl
)1-äthoxycarbonyl-cycloalkanen der Formel I, in denen die Ringgröße 6 bis 15
Kohlenstoffatome beträgt, wurde eingehend untersuchtl. Die Reaktionsprodukte
...
Klaus Burger, Maria H.W. Eistert, Heinrich Gold, 2014
10
Reaktionen der organischen Chemie
Aldehyd-Nachweis, Angeli-Rimini 48 Aldehyd-Oxidation, Delepine 49 Aldehyd-
Synthese, Grundmann 50 Aldehyd-Synthese, Sommelet 50 Aldehyde aus
Nitronen, Kröhnke 52 Aldimin-Bildung, Schiff 53 Aldol-Addition (Aldolisierung) 54
...
Helmut Krauch, Werner Kunz, 2009
ȘTIRI NOI CARE INCLUD TERMENUL «ALDOL»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
Aldol în contextul următoarelor știri.
Discovery of new MD2 inhibitor from chalcone derivatives with anti ...
Chalcones were synthesized by traditional aldol condensation of substituted benzaldehyde with prepared acetophenones in ethanolic NaOH or HCl solution. «Nature.com, Apr 16»
Synthesis of the phorboxazoles—potent, architecturally novel ...
An acetate aldol set the stage for the formation of acetal 21, which then underwent the Petasis–Ferrier rearrangement to bis-pyran 22. Once the ketone was ... «Nature.com, Mar 16»
Practical synthesis of the C-ring precursor of paclitaxel from 3 ...
1,4-Addition of a vinyl metal species, followed by Mukaiyama aldol reaction with formalin in the presence of a Lewis acid provided the known C-ring precursor of ... «Nature.com, Feb 16»
Promising jet fuel market looms for upgraded bioethanol, butanol
It is currently produced by the Oxo or Aldol processes. The Oxo process starts from propylene combined with hydrogen and carbon monoxide (usually in the form ... «Ethanol Producer Magazine, Feb 16»
Synthetic strategy for enantioselective aldol reactions with ...
The problem is that fluoroacetate aldol reactions lead to a racemic mixture of products. In pharmaceuticals the "handedness" of a molecule is important for its ... «Phys.Org, Ian 16»
Synthesis and structure–activity relationship study of FD-891 ...
By using stereoselective allylation/crotylation and Evans aldol chemistry, six side-chain fragments having different length and terminus were synthesized. «Nature.com, Ian 16»
The Petasis-Ferrier rearrangement: developments and applications
Previously, Ferrier had developed a strategy where carbohydrate derivatives would undergo a fragmentation/aldol-type recombination sequence, generating a ... «Nature.com, Ian 16»
Glycolysis Metabolic Pathway
Split molecule: The fructose-1,6-diphosphate molecule undergoes a reverse aldol condensation reaction catalyzed by aldolase to form two carbon compounds, ... «News-Medical.net, Dec 15»
Batzelladine B
Treating the resulting b-ketoester with lithium benzyl octanoate then leads to a spectacular reaction cascade – 1,2-addition, then retro-aldol, proton transfer, ... «Royal Society of Chemistry, Nov 15»
Firming COFs up takes Michael reaction catalysis forward
COF-based systems have already been recently developed for aldol and Diels–Alder reactions, he says. These findings are 'very important' says Richard Blom, ... «Royal Society of Chemistry, Sep 15»
