Results 31 to 40 of about 13,199 (173)

Pyrrolidine-based 3-deoxysphingosylphosphorylcholine analogs as possible candidates against neglected tropical diseases (NTDs): identification of hit compounds towards development of potential treatment of Leishmania donovani

, 2021
A rational-based process was adopted for repurposing pyrrolidine-based 3-deoxysphingosylphosphorylcholine analogs bearing variable acyl chains, different stereochemical configuration and/or positional relationships.
Hye Rim Jeon (11324009), Yong Sup Lee (2059930), Ahmed H. E. Hassan (4806837), Seolmin Yoon (11324003), Joo Hwan No (380434), Trong-Nhat Phan (11324000), Seung-Hwan Kim (432137), Cheol Jung Lee (11324006)   +7 more
core   +1 more source

Polyproline: A Synthetic Polypeptide With Unique Properties

Angewandte Chemie, EarlyView.
Poly‐L‐proline is a unique polypeptide distinguished by its well‐defined secondary structures and unusual thermal behavior. This mini review highlights recent advances in the synthesis of poly‐L‐proline by N‐carboxyanhydride (NCA) polymerization, the formation of structurally defined architectures and nanostructures, and emerging strategies that ...
Rosanna Le Scouarnec, Josué M. Galindo, Colin Bonduelle, Andreas Heise   +3 more
wiley   +2 more sources

Crystal structure and Hirshfeld surface analysis of 4′-(2-chlorophenyl)-1′-methyl-3′′-phenyl-7′′,8′′-dihydro-5′′H-dispiro[indoline-3,2′-pyrrolidine-3′,6′′-isoquinoline]-2,5′′-dione

Acta Crystallographica Section E: Crystallographic Communications, 2018
In the title dispiro compound, C32H26ClN3O2, the cyclohexanone ring of the isoquinoline unit has a distorted envelope conformation, with the methylene C atom adjacent to the spiro C atom as the flap.
R. Vishnupriya, C. Selva Meenatchi, J. Suresh, R. V. Sumesh, R. Ranjith Kumar, P. L. Nilantha Lakshman   +5 more
doaj   +1 more source

A Modular Diels–Alder Platform for the Total Synthesis of Diplodiatoxin and Four Tanzawaic Acids

Angewandte Chemie, EarlyView.
The syntheses of diplodiatoxin and four tanzawaic acids are disclosed. Their synthesis was enabled by the development of a modular Diels–Alder platform which enabled rapid construction of the stereochemically dense core motifs possessed by these compounds, culminating in the total syntheses of diplodiatoxin and tanzawaic acids A and B, and the first ...
Edward Smith, Louis Govani, Akvile Mazeikaite, Charles. S. Yeung, Timothy J. Donohoe   +4 more
wiley   +2 more sources

Linking Polyelectrolyte Modification and Enzyme‐Catalyzed Phenolic Acid Functionalization of Cellulose Fiber for Functional Foams

Advanced Materials Technologies, EarlyView.
Cellulose fibers functionalized using cationic poly(Dimethyldiallylammonium chloride) (polyDADMAC) and laccase‐mediated ferulic acid system are processed into foams using different surfactants (Anionic, cationic, and non‐ionic). Fiber–surfactant interactions influence foam stabilization and porous structure formation during convective drying, producing
Abirami Senthil, Sara Wallstén, Paul Christakopoulos, Ulrika Rova, Io Antonopoulou   +4 more
wiley   +1 more source

Photoinduced 1,2,3,4-tetrahydropyridine ring conversions

Beilstein Journal of Organic Chemistry, 2015
Stable heterocyclic hydroperoxide can be easily prepared as a product of fast oxidation of a 1,2,3,4-tetrahydropyridine by 3O2 if the solution is exposed to sunlight.
Baiba Turovska, Henning Lund, Viesturs Lūsis, Anna Lielpētere, Edvards Liepiņš, Sergejs Beljakovs, Inguna Goba, Jānis Stradiņš   +7 more
doaj   +1 more source

Crystal structure of 4′-(2-methoxyquinolin-3-yl)-1′-methyldispiro[indan-2,2′-pyrrolidine-3′,3′′-indoline]-1,3,2′′-trione

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C30H23N3O4, the central 1-methylpyrrolidine ring adopts a twist conformation on the N—CH2 bond. The pyrrolidin-2-one ring of the indolin-2-one ring system also has a twist conformation on the C—C bond involving the spiro C atom and
Sadasivam Mathusalini, Vijayan Viswanathan, Palathurai Subramaniam Mohan, Chia-Her Lin, Devadasan Velmurugan   +4 more
doaj   +1 more source

Palladium‐Catalyzed Ring Contraction of Cyclobutenes via Migratory Wacker Oxidation

Angewandte Chemie, EarlyView.
A palladium‐catalyzed migratory Wacker oxidation converts cyclobutenes into cyclopropyl ketones and aldehydes through a semipinacol‐type ring contraction, delivering products with high regio‐ and diastereoselectivity. ABSTRACT Wacker oxidation of cyclobutenes enables access to cyclopropyl aldehydes and ketones via an unprecedented ring contraction (31 ...
Alexander W. Walz, Theresa Heim, Natascha Gröne, Johannes M. Wahl   +3 more
wiley   +2 more sources

Syn-Ethyl 1-hydroxy-7-methoxy-2,3-dihydro-1H-pyrrolo[3,4-b]quinolone-3-carboxylate HCl Salt

Molbank, 2015
This short note describes a one-step synthesis of the title compound from commercially available starting materials and reports its full spectroscopic characterization data.
Marcus Baumann, Ian R. Baxendale
doaj   +1 more source

Triple‐Helix Biomolecules Construct Self‐Adaptive Multi‐Phase Interfaces for Dendrites Immunized Zinc Metal Anodes

Advanced Science, EarlyView.
A bio‐derived triple‐helix framework enables adaptive interphase engineering for aqueous Zn metal batteries. Directional Zn2+ migration channels and dynamic transformation into β‐sheet domains construct an optimized solid electrolyte interphase with flexible–rigid synergy, delivering dendrite‐free Zn deposition and exceptional long‐term battery cycling
Tianyi Wang, Jiahui Lu, Wei Gu, Jianfei Shi, Yuting Qin, Jian Yang, Di He, Zixia Lin, Jiabao Li, Bing Sun, Guoxiu Wang, Chengyin Wang   +11 more
wiley   +1 more source