Results 61 to 70 of about 10,895 (224)
2-(2,6-Dimethoxyphenyl)-5-hydroxy-7-methoxy-4H-1-benzopyran-4-one
Acta Crystallographica Section E, 2009 In the title compound, C18H16O6, the dimethoxyphenyl ring is rotated by 61.8 (1)° from the plane of the benzopyran system. The molecule is stabilized by an intramolecular O—H...O hydrogen bond.
R. Ravi Kumar +4 more
doaj +1 more source
Food and Energy Security, Volume 15, Issue 3, May/June 2026.ABSTRACT The maize pericarp serves not only as a physical protective barrier of the seed but also as a critical functional interface involved in environmental response and physiological regulation. Systematic analysis of the metabolic basis of nutritional components and related metabolites in the maize pericarp is of great importance for quality ...
Yanru Wang +10 more
wiley +1 more source
Tandem Reactions Leading to Bicyclic Pyrimidine Nucleosides and Benzopyran-4-ones
, 2016 A novel, rapid, and efficient synthesis of bicyclic pyrimidine nucleosides and benzopyran-4-ones through oxidation of homopropargyl alcohols and subsequent isomerization, intramolecular addition of enol to allenic ketone has been developed.
Xinying Zhang (808783) +6 more
core +2 more sources
In Vitro Evaluation of Antileishmanial Activity of Commiphora myrrha Essential Oil Nanoliposome
Veterinary Medicine and Science, Volume 12, Issue 3, May 2026.This study investigates the efficacy of nanoliposomal formulations containing myrrh essential oil in combating Leishmania protozoa in laboratory settings. Myrrh essential oil and nanoliposomes were prepared in RPMI‐1640 medium at concentrations of 1, 2, 5 and 10 µg/dL.
Zahra Akbari +2 more
wiley +1 more source
, 2008 1397-14011,3-Bis-(2-oxo-2H-benzopyran-6-yl)-thioureas 2a-c are obtained by refluxing 6-amino coumarins 1a-c and carbon disulphide in absolute alcohol which upon treatment with ethyl bromoacetate in the presence of sodium acetate in ethanol to give 3-(2 ...
Vinata V. Mulwad +3 more
core +1 more source
Unusual Swelling Behavior of Hydrogels Modified with Spiropyran as Appendage or Crosslinker
Advanced Functional Materials, Volume 36, Issue 27, 2 April 2026.Not so innocent after all—spiropyran crosslinkers in methylenebisacrylamide‐crosslinked poly(acrylamide‐co‐acrylic acid) hydrogels increase crosslinking density, but also, counterintuitively, increase swelling. Charge complexation, cooperative chemo‐mechanical effects, and aggregation may explain these observations.
Michael M. Lerch +7 more
wiley +1 more source
Advanced Science, Volume 13, Issue 19, 2 April 2026.Homoisoflavanone (HIF), a bioactive compound isolated from Polygonatum kingianum, selectively suppresses colorectal cancer progression by inducing DNA damage‐mediated mitochondrial apoptosis and parthanatos‐like cell death. HIF triggers mitochondrial dysfunction, including depolarized membrane potential, elevated ROS, and ATP depletion, while impairing
Hongjie Fan +12 more
wiley +1 more source
5-Hydroxy-7-methoxy-4H-chromen-4-one
Acta Crystallographica Section E, 2008 The molecular conformation of the title compound, C10H8O4, isolated from Laretia acualis, is stabilized by a strong intramolecular hydrogen bond between the hydroxyl and carbonyl groups. The crystal packing shows π–π stacking interactions.
Iván Brito +3 more
doaj +1 more source
The generation and reactions of 3,4-didehydro-2H-[1]benzopyran, a highly strained heterocycle
, 1996 Reaction of 3,4-dibromo-2,2,6,8-tetramethyl-2H-[1]benzopyran with either organolithium reagents or magnesium generates the novel aryne, 3,4-didehydro-2H-[1]benzopyran.
M.Moshfiqur Rahman +7 more
core +1 more source
Clinical Cardiology, Volume 49, Issue 4, April 2026.Direct Oral Anticoagulants (DOACs) were associated With lower rates of cerebrovascular ischemic events and major bleeding compared With Vitamin K antagonists in non‐valvular atrial fibrillation, With similar mortality. These findings support DOACs as the preferred anticoagulant strategy for stroke prevention in contemporary clinical practice.
Anam Nasir +8 more
wiley +1 more source