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Pd/C Catalyzed Decarboxylation-Transfer Hydrogenation of Quinoline Carboxylic Acids

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (8)

Pd/C catalyzed decarboxylation-transfer hydrogenation of quinoline carboxylic acids and transfer hydrogenation of quinolines had been developed for th......

Halogen Bond-Catalyzed Friedel-Crafts Alkylation of Indole with Ketones and Aldehydes for the Synthesis of Symmetrical 3,3'-diindolylmethanes Using Simple Halogen Donor Catalyst

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (8)

The Friedel-Crafts alkylation of indole with ketones and aldehydes had been developed to prepare 3,3'-diindolylmethanes using iodine or NCS as catalys......

Application of Poly(Vinylbenzyltrimethylammonium Tribromide) Resin as an Efficient Polymeric Catalyst in the Acetalization and Diacetylation of Benzaldehydes

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (4)

The applications of a new supported tribromide reagent (poly(vinylbenzyltrimethylammonium tribromide) resin) were reported. This supported tribromide ......

K2CO3-Promoted Highly Selective N-Hydroxymethylation of Indoles Under Metal- and Lewis Acid-Free Conditions

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (2)

Inorganic base promoted highly selective N-hydroxymethylation of indole and its derivatives have been developed. It provided a simple method for the p......

Condition Optimization for Synthesis of 5-methyl-2(pyrimidin-2-yl) Benzoic Acid

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (7)

Orexin has been emerged as a hot and frontier research theme in the close relationship with sleep-wake regulation. In this paper, we report a syntheti......

Chemical Constituents and Antibacterial Activity of Cissus aralioides

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (4)

Cissus aralioides is a medicinal plant used in sub-Saharan Africa for the treatment of infectious diseases; however, the chemical constituents of the ......

Synthesis and Antibacterial Evaluation of Thiouracil Derivatives Contain-ing 1,2,4-Triazolo[1,5-a]Pyrimidine

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (7)

A series of new thiouracil compounds containing 1,2,4-triazolo[1,5-a]pyrimidine were designed and synthesized. The in vitro antibacterial activities o......

Aerobic Oxidation of Aldehydes to Carboxylic Acids Catalyzed by Recyclable Ag/C3N4 Catalyst

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (3)

The oxidation of aldehydes is an efficient methodology for the synthesis of carboxylic acids. Herein we hope to report a simple, efficient and recycla......

Synthesis of Four Eugenol Metabolites

期刊: LETTERS IN ORGANIC CHEMISTRY, 2021; 18 (5)

Four eugenol metabolites were concisely synthesized and their structures were confirmed by H-1-NMR, C-13-NMR and high-resolution mass (HR-MS). Among t......

Theoretical Computations on the Pyrolysis of Alkyl (dithio)acetates

期刊: LETTERS IN ORGANIC CHEMISTRY, 2020; 17 (3)

The pyrolysis of methyl alkyl esters Ito III and dithioesters IV to VI were theoretically calculated. All possible pyrolysis paths were considered. Bo......

Chemical Compositions and Anti-cancer Activities of the Volatile Oils of Leaves and Rhizomes of Three Polianthes Species

期刊: LETTERS IN ORGANIC CHEMISTRY, 2020; 17 (6)

We report the isolation and determination of the essential oil composition from the leaves and rhizomes of Polianthes tuberosa (P. tuberosa), Polianth......

Preparation and Characterization of Soybean Oil-based Flame Retardant Rigid Polyurethane Foams Containing Phosphaphenanthrene Groups

期刊: LETTERS IN ORGANIC CHEMISTRY, 2020; 17 (10)

A phosphaphenanthrene groups containing soybean oil based polyol (DSBP) was synthesized by epoxidized soybean oil (ESO) and 9,10-dihydro-oxa-10-phosph......

Mechanistic Insights into Protonated Diamines-catalyzed Decarboxylation of Oxaloacetate

期刊: LETTERS IN ORGANIC CHEMISTRY, 2019; 16 (3)

The chemical mechanisms of protonated diamines-catalyzed decarboxylation of oxaloacetic acid anions in water solutions have been studied by using dens......

JIF:0.72

Design, Synthesis, and Biological Activity of Releasable m-THPC-PEG-folate Conjugate Using a Disulfide-containing Linker

期刊: LETTERS IN ORGANIC CHEMISTRY, 2019; 16 (3)

The present study reported the preparation of a novel mutual prodrug containing meso-tetra (m-hydroxy phenyl) chlorin (m-THPC), PEG and folate. The Fo......

JIF:0.72

Microwave-assisted Synthesis of Polymethoxychalcone Mannich Bases and Their Antiproliferative Activity

期刊: LETTERS IN ORGANIC CHEMISTRY, 2019; 16 (2)

A series of eight polymethoxychalcone Mannich base derivatives 2a-2h was synthesized via the microwave-assisted Mannich reaction of natural product 2'......

JIF:0.72

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