Category: 50501-07-0

Reference of Ethyl indoline-2-carboxylate. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Ethyl indoline-2-carboxylate, is researched, Molecular C11H13NO2, CAS is 50501-07-0, about Asymmetric synthesis of α-amino acids. I. A new approach. Author is Corey, Elias J.; McCaully, Ronald J.; Sachdev, Harbans S..

Asymmetric synthesis of α-amino acids from α-keto acids using chiral reagents which are regenerated by the synthesis is described. The chiral reagents used were N-amino-2-hydroxymethylindolines (I). The synthesis, resolution, and assignment of absolute configuration for these reagents is described. The application of (I) to the asymmetric synthesis of α-amino acids depends on their combination with α-keto acids to form chiral hydrazono lactones. Reduction of the C:N unit in these lactones affords the corresponding hydrazino lactones which are transformed to α-amino acids by hydrogenolysis of the N-N linkage and ester hydrolysis. By this process D-alanine and D-butyrine were synthesized from pyruvic acid and α-oxobutyric acid in optical purities of 80 and 90%, resp. A solid basis exists for the design of chiral indoline reagents of still greater efficiency in the asymmetric synthesis of α-amino acids.

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Reference of Ethyl indoline-2-carboxylate. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Ethyl indoline-2-carboxylate, is researched, Molecular C11H13NO2, CAS is 50501-07-0, about Synthesis and antibacterial activity of [6,5,5] and [6,6,5] tricyclic fused oxazolidinones.

A series of conformationally restricted, [6,5,5] and [6,6,5] tricyclic fused oxazolidinones were synthesized and tested for antibacterial activity. Several compounds, e.g. I, in the trans-[6,5,5] series demonstrated potent in vitro and in vivo activity. This work provides valuable information regarding the preferred conformational orientation of the oxazolidinones at the binding site.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Min, Chang; Seidel, Daniel researched the compound: Ethyl indoline-2-carboxylate( cas:50501-07-0 ).COA of Formula: C11H13NO2.They published the article 《Stereochemically Rich Polycyclic Amines from the Kinetic Resolution of Indolines through Intramolecular Povarov Reactions》 about this compound( cas:50501-07-0 ) in Chemistry – A European Journal. Keywords: chromenopyrroloquinoline tetrahydro aryl stereoselective preparation; indoline kinetic resolution diastereoselective enantioselective Povarov cinnamyloxy benzaldehyde; asymmetric catalysis; chiral phosphoric acids; cycloaddition; kinetic resolution; organocatalysis. We’ll tell you more about this compound (cas:50501-07-0).

Under control of a chiral Bronsted acid catalyst, racemic indolines I (R1 = H, 4-Me, 5-Br, 5-F, 5-MeO; R2 = Me, EtO2C, Ph, 4-MeOC6H4, etc.) underwent intramol. Povarov reactions with achiral aromatic aldehydes II (R3 = Ph, 3-ClC6H4, 4-MeC6H4, 1-naphthyl, etc.; R4 = H, 5-Br, 3-MeO, etc.) bearing a pendent dienophile. One enantiomer of the indoline reacted preferentially, resulting in the highly enantio- and diastereoselective formation of polycyclic heterocycles III with four stereogenic centers. This kinetic resolution approach exploits the differential formation/reactivity of diastereomeric ion pairs.

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Tetrahydropyran – Wikipedia,
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Formula: C11H13NO2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Ethyl indoline-2-carboxylate, is researched, Molecular C11H13NO2, CAS is 50501-07-0, about Regiospecific functionalization of indole-2-carboxylates and diastereoselective preparation of the corresponding indolines.

The N-acyl derivatives of 3-substituted indole-2-carboxylates prepared through several routes were submitted to catalytic hydrogenation affording either cis- or trans-indoline diastereomers after quant. C-2 epimerization.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Chromatography called Chromatographic separation of the enantiomers of 2-carboalkoxyindolines and N-aryl-α-amino esters on chiral stationary phases derived from N-(3,5-dinitrobenzoyl)-α-amino acids, Author is Pirkle, William H.; Pochapsky, Thomas C.; Mahler, George S.; Field, Richard E., which mentions a compound: 50501-07-0, SMILESS is O=C(C1NC2=C(C=CC=C2)C1)OCC, Molecular C11H13NO2, Application of 50501-07-0.

The enantiomers of N-acyl amino acid esters RNHCHR1CO2R2 (R = Ph, 1- or 2-naphthyl, 2-anthryl; R1 = Ph, Me, Et, etc.; R2 = Et, Me, etc.) and 2-carboalkoxyindolines I (R3 = R4 = H, R3 = 5-Me, R4 = 6-Me; R3 = 5-MeO, R4 = H; R3R4 = 4,5-benzo, 6,7-benzo) were separated by column chromatog. on chiral stationary phases prepared from N-(3,5-dinitrobenzoyl) derivatives of (S)-leucine or (R)-phenylglycine. The degree of chiral recognition was high. Separation factors >10 were obtained and preparative separations were performed. A chiral recognition model is presented.

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Quality Control of Ethyl indoline-2-carboxylate. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Ethyl indoline-2-carboxylate, is researched, Molecular C11H13NO2, CAS is 50501-07-0, about Introduction of heterocycles at the 2-position of indoline as ester bioisosteres. Author is Lee, Sunkyung; Yi, Kyu Yang; Yoo, Sung-eun.

Compounds were prepared with heterocyclic replacements for metabolically unstable esters of benzopyranyl indole-2-carboxylic esters, which showed good in vitro and in vivo cardioprotective efficacies possibly through the opening of mitochondrial ATP-sensitive potassium channel (KATP). Initially, indolin-2-yl-heterocycles were constructed using unprotected indoline-2-carboxylic acid, but the cyclization was proceeded with oxidation of the indoline ring to the indole, which did not react with benzopyranyl epoxide. An N-BOC group was introduced to deplete the electron d. of the indoline ring. Various indolin-2-yl-heterocycles, such as I and II, were prepared by the cyclization of the building blocks including carboxamide, β-hydroxy amide, hydrazide, nitrile starting from N-BOC-indoline-2-carboxylic acid.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called A biomass-derived N-doped porous carbon catalyst for the aerobic dehydrogenation of nitrogen heterocycles, published in 2022, which mentions a compound: 50501-07-0, mainly applied to biomass carbon catalyst aerobic dehydrogenation nitrogen heterocycle, Application In Synthesis of Ethyl indoline-2-carboxylate.

N-doped porous carbon (NC) was synthesized from sugar cane bagasse, which is a sustainable and widely available biomass waste. The preferred NC sample had a well-developed porous structure, a graphene-like surface morphol. and different N species. More importantly, the heterogeneous carbocatalyst exhibited superior catalytic performance in the aerobic dehydrogenation of various heterocyclic nitrogen compounds (49 examples, up to 96% yield), similar to that of C3N4 and GO. Characterization by TEM, BET and XPS accompanied by the EPR anal. revealed that the enhanced catalytic properties of NC came from its high activation ability for both O2 and heterocyclic nitrogen, attributed to the porous structure and pyridinic N (N-6) species, resp.

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Related Products of 50501-07-0. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Ethyl indoline-2-carboxylate, is researched, Molecular C11H13NO2, CAS is 50501-07-0, about Synthesis and antibacterial activity of [6,5,5] and [6,6,5] tricyclic fused oxazolidinones. Author is Gleave, D. Mark; Brickner, Steven J.; Manninen, Peter R.; Allwine, Debra A.; Lovasz, Kristine D.; Rohrer, Douglas C.; Tucker, John A.; Zurenko, Gary E.; Ford, Charles W..

A series of conformationally restricted, [6,5,5] and [6,6,5] tricyclic fused oxazolidinones were synthesized and tested for antibacterial activity. Several compounds, e.g. I, in the trans-[6,5,5] series demonstrated potent in vitro and in vivo activity. This work provides valuable information regarding the preferred conformational orientation of the oxazolidinones at the binding site.

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Reference:
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

Name: Ethyl indoline-2-carboxylate. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Ethyl indoline-2-carboxylate, is researched, Molecular C11H13NO2, CAS is 50501-07-0, about Synthesis and antibacterial activity of [6,5,5] and [6,6,5] tricyclic fused oxazolidinones. Author is Gleave, D. Mark; Brickner, Steven J.; Manninen, Peter R.; Allwine, Debra A.; Lovasz, Kristine D.; Rohrer, Douglas C.; Tucker, John A.; Zurenko, Gary E.; Ford, Charles W..

A series of conformationally restricted, [6,5,5] and [6,6,5] tricyclic fused oxazolidinones were synthesized and tested for antibacterial activity. Several compounds, e.g. I, in the trans-[6,5,5] series demonstrated potent in vitro and in vivo activity. This work provides valuable information regarding the preferred conformational orientation of the oxazolidinones at the binding site.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Ethyl indoline-2-carboxylate(SMILESS: O=C(C1NC2=C(C=CC=C2)C1)OCC,cas:50501-07-0) is researched.Computed Properties of C27H36Cl2N2. The article 《Organo-Photoredox Catalyzed Oxidative Dehydrogenation of N-Heterocycles》 in relation to this compound, is published in Chemistry – A European Journal. Let’s take a look at the latest research on this compound (cas:50501-07-0).

For the first time the catalytic oxidative dehydrogenation of N-heterocycles by a visible-light organo-photoredox catalyst with low catalyst loading (0.1-1 mol %) was reported. The reaction proceeded efficiently under base- and additive-free conditions with ambient air at room temperature The utility of this benign approach was demonstrated by the synthesis of various pharmaceutically relevant N-heteroarenes such as quinolines, quinoxalines, quinazolines, acridines and indoles.

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