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Longer titles found: Stork enamine alkylation (view), Polydiketoenamine (view)

searching for Enamine 40 found (220 total)

alternate case: enamine

Talampicillin (248 words) [view diff] exact match in snippet view article find links to article

ampicillin (1) as the enamine with ethyl acetoacetate (2). THis was then esterified by reaction with 3-bromopthalide (3), and the enamine was carefully hydrolyzed

Isothiazole (181 words) [view diff] exact match in snippet view article find links to article

bonded are far more common. Isothiazones are produced by oxidation of enamine-thiones. The ring structure of isothiazole is incorporated into larger

Voacangine (1,222 words) [view diff] exact match in snippet view article find links to article

synthases (TiPAS1/2/3), a flavin-dependent oxidase. Next, 2 is reduced to the enamine (3), dihydroprecondylocarpine acetate, by one of two NADPH-dependent T

Pyrazolone (512 words) [view diff] exact match in snippet view article find links to article

4-pyrazolone. These isomers can interconvert via lactam–lactim and imine–enamine tautomerism; these conversion often display photochromism. For pyrazolone

Igor V. Komarov (2,278 words) [view diff] exact match in snippet view article find links to article

Shevchenko National University of Kyiv. He is also a scientific advisor of Enamine Ltd (Ukraine) and Lumobiotics GmbH (Germany). Igor V. Komarov graduated

Molindone (434 words) [view diff] exact match in snippet view article find links to article

elimination of hydroxide (as water) would give ene-aminoketone 3. This enamine may be assumed to be in tautomeric equilibrium with imine 4. Aldol condensation

3-Dimethylaminoacrolein (1,597 words) [view diff] exact match in snippet view article find links to article

(DMF) and combines the functionalities of an unsaturated aldehyde and an enamine. Therefore, 3-dimethylaminoacrolein and vinamidines derived therefrom (composed

Piprozolin (210 words) [view diff] exact match in snippet view article find links to article

di(m)ethyl sulfate proceeds on nitrogen with the concomitant shift of the enamine to afford olefin (5). Bromination of the active methylene (6) followed

Knorr pyrrole synthesis (1,546 words) [view diff] exact match in snippet view article find links to article

the amine and ketone to give an imine. The imine then tautomerizes to an enamine, followed by cyclization, elimination of water, and isomerization to the

Forster–Decker method (205 words) [view diff] exact match in snippet view article find links to article

Synthesis Archive. 2011–2022. Retrieved December 12, 2022. "Imine and Enamine Hydrolysis Mechanism". Chemistry Steps. 2016–2022. Retrieved December 13

Francis S. Mair (1,093 words) [view diff] exact match in snippet view article find links to article

complexes in polymerization, led a further research in 2016 on the use of enamine–diimine cobalt complexes in isoprene polymerization. Both these researches

Cyclohexanone (883 words) [view diff] exact match in snippet view article find links to article

treatment with trimethylsilylchloride in the presence of base. It forms an enamine with pyrrolidine. Treatment with nitrosyl chloride and ethanol in sulfur

Castanospermine (448 words) [view diff] exact match in snippet view article find links to article

L-pipecolic acid. In the alternate pathway L-Lys cyclizes and forms the enamine, which reduces to L-pipecolic acid. HSCoA and then malonyl-CoA react in

Dynamic kinetic resolution in asymmetric synthesis (1,466 words) [view diff] exact match in snippet view article find links to article

In this reaction proline catalyzes the reaction through creation of an enamine intermediate that is highly nucleophilic. The acid group on the catalyst

J-113,397 (874 words) [view diff] exact match in snippet view article find links to article

alkylates the urea nitrogen giving CID:16726359 (5). Reduction of the enamine by treatment with magnesium metal in methanol solvent occurs to give predominantly

Chlorobis(cyclooctene)rhodium dimer (327 words) [view diff] exact match in snippet view article

dimer as demonstrated in the synthesis of a strained bicyclic enamine. The synthesis of a mescaline analogue involves enantioselective annulation

1-Bromo-3-chloropropane (149 words) [view diff] exact match in snippet view article find links to article

15227/orgsyn.008.0052. Evans, D. A.; Domeier, L. A. (1974). "Endocyclic Enamine Synthesis: N-Methyl-2-Phenyl-δ2-tetrahydropyridine". Org. Synth. 54: 93

Nimodipine (1,367 words) [view diff] exact match in snippet view article find links to article

meta-nitrobenzene (1) and the subsequent reaction of the intermediate with enamine (4) gives nimodipine. Nimodipine contains a stereocenter and can exist

Ketimine Mannich reaction (3,407 words) [view diff] exact match in snippet view article find links to article

but with the addition of catalysts which restrict addition as of the enamine creation, it is possible to extract a single product with limited purification

Acetoacetate decarboxylase (2,274 words) [view diff] exact match in snippet view article find links to article

7×10−3 M whereas the enzyme has a KI for benzoylacetone of 1.9×10−6 M. An enamine is most likely formed upon interaction of beta-diketones with free enzyme

Cascade reaction (2,825 words) [view diff] exact match in snippet view article find links to article

step, Michael addition of aldehyde 20 to nitroalkene 21 occurs through enamine catalysis, yielding nitroalkane 25. Condensation of α,β-unsaturated aldehyde

Building block (chemistry) (1,360 words) [view diff] exact match in snippet view article

chemical suppliers for medicinal chemistry like Maybridge, Chembridge, Enamine adjusted their business correspondingly. By the end of the 1990th the use

Enantioselective synthesis (4,724 words) [view diff] exact match in snippet view article find links to article

PMID 11668532. Notz, Wolfgang; Tanaka, Fujie; Barbas, Carlos F. (1 August 2004). "Enamine-Based Organocatalysis with Proline and Diamines: The Development of Direct

Nosiheptide (885 words) [view diff] exact match in snippet view article find links to article

Catalyzing Carboxyl-Terminal Amide Formation in Nosiheptide Maturation via an Enamine Dealkylation on the Serine-Extended Precursor Peptide". Journal of the

Pyrrolizidine alkaloid (3,552 words) [view diff] exact match in snippet view article find links to article

diastereoselective dihydroxylation, inversion at the ring junction by hydroboration of an enamine, and ring closure to form the bicyclo ring system.

Tert-Butoxybis(dimethylamino)methane (213 words) [view diff] exact match in snippet view article

bis(dimethylamino)methyl derivative in turn releases dimethylamine to give an enamine, which hydrolyzes. Z2CHCH(N(CH3)2)2 → Z2C=CHN(CH3)2 + HN(CH3)2 Z2C=CHN(CH3)2

Dhevalapally B. Ramachary (2,144 words) [view diff] exact match in snippet view article find links to article

supramolecular rings in the pre-transition state (pre-TS) of enol- or enamine-based Michael reactions for high asymmetric induction was reported. His

Fluoxymesterone (2,325 words) [view diff] exact match in snippet view article find links to article

17-triketone, adrenosterone (1.13). Pyrrolidine then reacts to form an enamine (1.14) by reaction with the 3α-keto group, protecting it from alkylation

Dimethylcarbamoyl chloride (1,310 words) [view diff] exact match in snippet view article find links to article

preparation of tris(dimethylamino)methane, a reagent for the introduction of enamine functions in conjunction with activated methylene groups and the preparation

Danishefsky Taxol total synthesis (1,409 words) [view diff] exact match in snippet view article find links to article

triphenylphosphine provided aldehyde 21. For this synthesis (Scheme 3) the morpholine enamine of ethyl isopropyl ketone was reacted with acryloyl chloride in a combined

Jordi Burés (810 words) [view diff] exact match in snippet view article find links to article

Alan; Blackmond, Donna G (2012). "Kinetic correlation between aldehyde/enamine stereoisomers in reactions between aldehydes with α-stereocenters and chiral

Green fluorescent protein (7,456 words) [view diff] exact match in snippet view article find links to article

and oxidation. In the reaction of 7a to 8 involves the formation of an enamine from the imine, while in the reaction of 7b to 9 a proton is abstracted

Ibogaine (5,783 words) [view diff] exact match in snippet view article find links to article

and reduction by dihydroprecondylocarpine acetate synthase (DPAS), an enamine intermediate is formed. The intermediate undergoes fragmentation to produce

Collybolide (1,218 words) [view diff] exact match in snippet view article find links to article

Diels-Alder reaction using the Hayashi-Jørgensen proline organocatalyst, and an enamine [3,3]-sigmatropic rearrangement to stereoselectively install a late-stage

Covalent organic framework (5,592 words) [view diff] exact match in snippet view article find links to article

complementary tautomerizations occur (an enol to keto and an imine to enamine) which result in a β-ketoenamine moiety as depicted in the DAAQ-TFP framework

Kinetic resolution (6,914 words) [view diff] exact match in snippet view article find links to article

Here, the unreacted starting material racemizes in situ via a dimeric enamine, resulting in a recovery of greater than 50% yield of the enantiopure acylated

COVID Moonshot (2,926 words) [view diff] exact match in snippet view article find links to article

candidates is being carried out in parallel, at sites including Ukraine (Enamine), India (Sai Life Sciences) and China (WuXi). Annette von Delft of the

Fine chemical (12,113 words) [view diff] exact match in snippet view article find links to article

Switzerland; Chemcomm, Germany; ChemDiv, Russia; Clauson-Kaas, Denmark; Enamine Ltd, Ukraine; Girindus, Germany; Nerviano Medical Sciences, Italy; Recipharm

Trifluoromethylation (4,064 words) [view diff] exact match in snippet view article find links to article

methods for the α-trifluoromethylation of carbonyls are available through enamine catalysis of aldehydes (photoredox or iodonium), copper catalysis of β-ketoesters

Process chemistry (4,405 words) [view diff] exact match in snippet view article find links to article

diabetes. The traditional process synthetic route involved a late-stage enamine formation followed by rhodium-catalyzed asymmetric hydrogenation to afford