• Benzoxazines are unstable under catalytic heterocyclization conditions, but their high reactivity allows the synthesis of N,O-mixed acetals when reactions are carried out in the presence of alcohols in the reaction medium. (uv.es)
  • Developing Further Versatility in Benzoxazine Synthesis via Hydrolytic Ring-Opening. (case.edu)
  • Natural-sourced Benzoxazine Resins, Homopolymers, Blends and Composites: A Review of Their Synthesis, Manufacturing and Applications. (case.edu)
  • Resveratrol-based tri-functional benzoxazines: Synthesis, characterization, polymerization, and thermal and flame retardant properties. (case.edu)
  • Renewable benzoxazine monomer from Vanillin: Synthesis, characterization, and studies on curing behavior. (digitallibrarynasampe.org)
  • Synthesis of Difurfuryl Diamines by the Acidic Condensation of Furfurylamine with Aldehydes and Their Mechanism of Formation. (digitallibrarynasampe.org)
  • Wang C, Sun J, Liu X, Sudo A, Endo T. Synthesis and copolymerization of fully bio-based benzoxazines from guaiacol, furfurylamine and stearylamine. (digitallibrarynasampe.org)
  • Synthesis of a polymer with benzoxazine units in the main chain backbone by a trifunctional phenol, a difunctional amine, and paraformaldehyde was achieved. (metu.edu.tr)
  • Title: Synthesis and SAR studies of 1,4-benzoxazine MenB inhibitors: novel antibacterial agents against Mycobacterium tuberculosis. (aablocks.com)
  • 2003. Utilites of 2-ethyl-4H-3,1-benzoxazine- 4-one in synthesis of some interesting heterocyclic compounds. (csic.es)
  • A type of bio-based benzoxazine monomer based on difurfuryl diamine (DFDA) obtained by the coupling of furfuryl amine using formaldehyde will be discussed. (digitallibrarynasampe.org)
  • As a result of this work, a previously unreported benzoxazine monomer based on 3,3'-dichloro-4,4'-diaminodiphenylmethane was obtained, characterized by 1H and 13C NMR spectroscopy, and its thermal and rheological properties were studied. (preprints.org)
  • Lochab B, Varma IK, Bijwe J. Thermal behaviour of cardanol-based benzoxazines: Monomers and polymers. (digitallibrarynasampe.org)
  • Intrinsically noncombustible polymers without flame retardant additives: Sulfur-containing and bio-based benzoxazines. (case.edu)
  • Poly(benzoxazine-f-chitosan) films: The role of aldehyde neighboring groups on chemical interaction of benzoxazine precursors with chitosan. (case.edu)
  • Preparation and Characterization of Carbon Fiber Reinforced Polybenzoxazine and Polybenzoxazole Composites: Use of a Smart, Ortho-substituted Benzoxazine, Amide-co-Imide Functional Matrix. (case.edu)
  • Three possibilities were discussed and are shown in the Figure below: a mono-oxime of phthalic anhydride ("phthaloxime", I), an expanded ring with two heteroatoms, (2,3-benzoxazine-1,4-dione, II), and N-hydroxyphthalimide (III). (wikipedia.org)
  • Through a solution method utilizing benzoxazine chemistry, heteroatoms containing porous carbons (HCPCs) were synthesized from melamine, eugenol and formaldehyde, followed by carbonization in a nitrogen atmosphere and chemical activation with KOH at three different activation temperatures, 700, 800 and 900 °C. The introduction of melamine and eugenol to the monomer produced structurally bonded nitrogen and oxygen in porous carbons. (mdpi.com)
  • Organoboron derivatives are common reagents for C-C bond formation, either through classical palladium-mediated transformations or through other newer coupling methods. (chemenu.com)
  • Polymerization of an AB-type benzoxazine monomer toward different polybenzoxazine networks: When Diels-Alder reaction meets benzoxazine chemistry in a single-component resin. (case.edu)
  • Despite a significant number of investigations in the field of phosphazene chemistry, the mechanism of this class cyclic compounds formation is still poorly studied. (preprints.org)
  • Mechanisms of single-walled carbon nanotube network formation and its configuration in polymer-based nanocomposites. (ki.si)
  • Additional tables on key NMR and FTIR frequencies unique to benzoxazine, heat of polymerization, Tg, and char yield will greatly aid in the choice of proper benzoxazine for a specific application. (chemtec.org)
  • Electronic effects of asymmetric and meta-alkoxy substituents on the polymerization behavior of bis-benzoxazines. (case.edu)
  • Electronic effects of asymmetric and meta-alkoxy substituents on the polymerization behavior of bis-benzoxazines (cover page artwork invited). (case.edu)
  • The benzoxazine monomer was synthesized by reacting DFDA with renewable phenolic vanillin and formaldehyde. (digitallibrarynasampe.org)
  • It has been previously found that (S)-4-[6-(purin-6-yl)aminohexanoyl]-7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine (compound 1) exhibits selective anti-herpesvirus activity against HSV-1 in cell culture, including acyclovir-resistant mutants, so we consider it as a lead compound. (bvsalud.org)
  • The loss of its functional activity leads to disruption of the formation of mature virions, so it represents a promising drug target. (bvsalud.org)
  • Herein, we report on the discovery of new alkynyl benzoxazine and dihydroquinazoline moieties capable of covalent reaction with cysteine. (diamond.ac.uk)
  • When wielded appropriately, just a single electron is all that is needed to initiate a reaction cascade that can result in the formation of complex molecules. (ukri.org)
  • A comparison between the properties of benzoxazines based on diamines (3,3'-dichloro-4,4'-diaminodiphenylmethane and 4,4'-diaminodimethylmethane). (preprints.org)
  • This is due to the low molecular weight olgomer formation in the presence of oxygen. (metu.edu.tr)
  • Recent development in the formation and surface modification of cellulose-bead nanocomposites as adsorbents for water purification: a comprehensive review. (ebsco.com)
  • A practical approach utilized in this study involves the preparation of an antibacterial thin film on the surfaces, which can effectively inhibit and reduce biofilm formation and bacterial adherence. (nature.com)
  • In the present study, a polymer precursor scaffold, 1,3-benzoxazine, has been repurposed by incorporation of an organometallic ferrocene unit to produce a novel class of compounds showing in vitro biological activity against breast cancer, malaria and trypanosomiasis. (ru.ac.za)
  • Structure and Performance of Benzoxazine Composites for Space Radiation Shielding. (case.edu)
  • It was established that linear oligophosphazenes are inert when heated in the absence of the mentioned cyclization agents, and the formation of cyclic products occurs only when these agents are involved in the process. (preprints.org)
  • The prime objective of the report is to develop novel materials from agro-wastes by increasing its water absorbency via composite formation using acrylic monomer and nano fillers like MMT ( Schemes 1a and 1b ). (rroij.com)
  • With a resurgence in interest in covalent drugs, there is need to identify new moieties capable of cysteine bond formation that are differentiated from commonly employed systems such as acrylamide. (diamond.ac.uk)