Results 81 to 90 of about 48,617 (303)
Synthesis of some 2,4-diamino-pyrrolo-pyrimidines [PDF]
Some new 2, 4-diamino-pyrrolo-pyrimidines have been synthesized.
Merchant, J. R., Dike, Suneel Y.
core +1 more source
Fused‐ring engineering unlocks record efficiency in vacuum‐deposited organic solar cells. By replacing linear π‐bridges with fused‐ring analogues in triarylamine‐based donors, we achieve enhanced molecular planarity, red‐shift optical absorption, minimize energy loss and optimized phase separation.
Yun‐Fei Li +13 more
wiley +1 more source
Pyrrolo[2,3-d]pyrimidines : design, synthesis, functionalisation [PDF]
Les pyrrolo[2,3-d]pyrimidines, également connues sous le nom de 7-déazapurines, sont une classe importante d’hétérocycliques aromatiques, de par leurs potentiels biologiques (antitumoral, antiinflammatoire, antibactérien, etc.).
Prieur, Vanessa
core
Solid-phase synthesis of tetrasubstituted pyrrolo[2,3-d]pyrimidines [PDF]
A facile solid phase synthesis of 2,4,6,7-tetrasubstituted pyrrolo[2,3-d]pyrimidines is described. The synthesis involves a highly efficient five-step route starting from resin-bound dimeric peptoids.
Lim, HS, Lee, JH
core +1 more source
Coordination‐Driven Direct C─H Metalation of N‐Heterocycles With a Superbasic Co(II) Amide Co(TMP)2
By enabling regioselectivities that are inaccessible with conventional bases, this study introduces a Co(II) amide platform for the deprotonative C─H metalation of sensitive N‐heterocycles. Subsequent interception of the resulting Co(II) intermediates with external oxidants affords a family of sterically congested, TMP‐substituted heterocycles via C─N ...
Na Jin +3 more
wiley +2 more sources
The Suzuki–Miyaura coupling reaction of 4-pyrimidyl tosylates was investigated with aryl, heteroaryl and alkyl boronic acids. The reaction provided 4-substituted pyrimidines in good-to-excellent yields after one-hour microwave irradiation in water at 100
José Rodríguez-Aguilar +4 more
doaj +1 more source
ABSTRACT Bacterial wound infections, particularly those caused by Escherichia coli and Pseudomonas aeruginosa, are difficult to treat due to biofilm formation, multidrug resistance, and chronic inflammation. Here, we report a multifunctional nanoplatform based on a surface‐enhanced Raman scattering (SERS) probe that enables simultaneous photodynamic ...
Hanbin Deng +6 more
wiley +1 more source
Glutathione‐Responsive Acyl‐Modifications for Targeted RNA Decaging and Prolonged Protein Synthesis
The self‐immolation of disulfide‐based mRNA modifications in response to endogenous glutathione (GSH) promotes a gradual release of translatable mRNA within the cell, leading to improved nuclease resistance, tunable release properties, and a significant increase (up to 600%) of target protein production over time. This strategy offers an exciting proof
Mary E. Flood +6 more
wiley +2 more sources
An integrated Human Airway Microbiome Gene Catalog (iHAMGC) is constructed from 12,273 metagenomic airway samples, providing a high‐resolution reference of respiratory microbial genes. The catalog enables systematic exploration of taxonomic and functional variation across airway niches and geographic regions, revealing site‐specific and region ...
Qing Zhang +15 more
wiley +1 more source
Recent Advances in Direct C–H Functionalization of Pyrimidines [PDF]
Data spanning the period 2000–2017 on the direct C–H functionalization of pyrimidines are collected and discussed in this review. This demonstrates the surge of interest and creativity that this field of chemistry has experienced during the last two ...
Valery Charushin +3 more
core +1 more source

