Results 51 to 60 of about 8,948 (229)

Thermoresponsive Poly(2‐oxazine)s

open access: yesMacromolecular Rapid Communications, 2011
AbstractThe monomers 2‐methyl‐2‐oxazine (MeOZI), 2‐ethyl‐2‐oxazine (EtOZI), and 2‐n‐propyl‐2‐oxazine (nPropOZI) were synthesized and polymerized via the living cationic ring‐opening polymerization (CROP) under microwave‐assisted conditions. pEtOZI and pnPropOZI were found to be thermoresponsive, exhibiting LCST behavior in water and their cloud point ...
Bloksma, M.M.   +6 more
openaire   +3 more sources

Azirinium ylides from α-diazoketones and 2H-azirines on the route to 2H-1,4-oxazines: three-membered ring opening vs 1,5-cyclization

open access: yesBeilstein Journal of Organic Chemistry, 2015
Strained azirinium ylides derived from 2H-azirines and α-diazoketones under Rh(II)-catalysis can undergo either irreversible ring opening across the N–C2 bond to 2-azabuta-1,3-dienes that further cyclize to 2H-1,4-oxazines or reversibly undergo a 1,5 ...
Nikolai V. Rostovskii   +4 more
doaj   +1 more source

Think Beyond The Core: Computationally Decoding the Hydrophilic Corona of Drug‐Loaded Polymer Micelles

open access: yesSmall, EarlyView.
Drug‐loaded ABA‐type triblock copolymer micelles with a hydrophobic poly(2‐n‐butyl‐2‐oxazine) core (B‐block) and hydrophilic coronas (pEG, pDMAA, pSAR (A‐block)) are investigated by all‐atom molecular dynamics simulations at 20% and 60% curcumin loadings.
Maksym Karachevtsev   +5 more
wiley   +1 more source

Synthesis of novel naphtho[1,2-e][1,3]oxazines bearing an arylsulfonamide moiety and their anticancer and antifungal activity evaluations

open access: yes, 2017
A series of novel naphtho[1,2-e][1,3]oxazines bearing arylsulfonamide moiety have been synthesized via a one-pot approach and in a green reaction medium.
Seyed Gholamhossein Mansouri   +8 more
semanticscholar   +1 more source

A Triangulenum‐Based Biosensor Platform for Mapping Kinase Activity in T Cells

open access: yesSmall, EarlyView.
Novel peptide biosensors based on long‐lifetime triangulenium dyes are developed for the real‐time, non‐invasive mapping of Akt1 and Src kinase activities in living cells. Utilizing FLIM microscopy, these highly specific, biocompatible probes overcome cellular autofluorescence.
Carmen Salto‐Giron   +11 more
wiley   +1 more source

Towards Bio‐Based Benzoxazines (2015–2025): A Critical Review of Renewable Building Blocks, Formaldehyde‐Free Aldehydes, and ECHA Hazard Landscape

open access: yesPolymers for Advanced Technologies, Volume 37, Issue 8, August 2026.
ABSTRACT This review provides a critical overview of research on fully bio‐based benzoxazines over the period 2015–2025. A bibliometric analysis based on the Web of Science database is used to map how the field has evolved and to identify the renewable building blocks that have been most widely adopted.
Elizabeth Alvarez Perez, Alice Mija
wiley   +1 more source

Efficient synthesis of 1,3-naphtoxazine derivatives using reusable magnetic catalyst (GO-Fe3O4–Ti(IV)): anticonvulsant evaluation and computational studies

open access: yesBMC Chemistry, 2022
A series of 2-aryl/alkyl-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazines (S 1 –S 11 ) were synthesized with an eco-friendly and recoverable nanocatalyst (GO-Fe3O4–Ti(IV)) as an efficient magnetic composite. The new nanocatalyst was characterized by FT-IR, XRD
Soghra Khabnadideh   +8 more
doaj   +1 more source

Design, synthesis, docking studies and biological screening of 2-thiazolyl substituted -2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazines as potent HIV-1 reverse transcriptase inhibitors.

open access: yesEuropean journal of medicinal chemistry, 2018
1,3-oxazine nucleus and thiazolyl group features prominently in many biologically important natural products as well as bioactive molecules. A series of novel 2-thiazolyl substituted-2,3-dihydro-1H-naphtho [1,2-e][1,3]oxazine derivatives were designed ...
RakhiG Gawali   +5 more
semanticscholar   +1 more source

A Synthetic Approach to Pyrazolopyranopyrimidinones and Pyrazolopyranooxazinones as Antimicrobial Agents

open access: yesJournal of Chemistry, 2016
The hitherto unknown 6-amino-4-(2-chloro-5-nitrophenyl)-3-methyl-1,4-dihydropyrano[2,3-c] pyrazole-5-carbonitrile 1a was synthesized. Both 1a and its 2,4 dichlorophenyl derivative 1b were utilized as building blocks for the preparation of novel class of ...
A. K. Elziaty   +4 more
doaj   +1 more source

Stereoselective Synthesis and Cytoselective Toxicity of Monoterpene-Fused 2-Imino-1,3-thiazines

open access: yesMolecules, 2014
Starting from pinane-, apopinane- and carane-based 1,3-amino alcohols obtained from monoterpene-based β-amino acids, a library of monoterpene-fused 2-imino-1,3-thiazines as main products and 2-thioxo-1,3-oxazines as side-products were prepared via two ...
Zsolt Szakonyi   +3 more
doaj   +1 more source

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