Results 31 to 40 of about 44,043 (291)
Acta Crystallographica Section E: Crystallographic Communications, 2019 The benzopyran ring of the title compound, C16H11ClN2O2, is planar [maximum deviation = 0.079 (2) Å] and is almost perpendicular to the chlorophenyl ring [dihedral angle = 86.85 (6)°]. In the crystal, N—H...O, O—H...N, C—H...O and C—H...Cl hydrogen bonds
M. Beemarao +4 more
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Investigating nano-structuring within imidazolium ionic liquids: A thermodynamic study using photochromic molecular probes [PDF]
, 2009 Following previous studies involving the thermal relaxation of spirocyclic compounds we extended our studies to investigate the formation of nano-structured domains in ionic liquids (ILs).
Byrne, Robert +3 more
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Agonistic and antagonistic estrogens in licorice root (Glycyrrhiza glabra) [PDF]
, 2011 The roots of licorice (Glycyrrhiza glabra) are a rich source of flavonoids, in particular, prenylated flavonoids, such as the isoflavan glabridin and the isoflavene glabrene.
Bovee, T.F.H. +7 more
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Biomolecules, 2019 Human nosocomial infections are common around the world. One of the main causes is the bacteria Klebsiella pneumoniae, which shows high rates of resistance to antibiotics. Thus, drugs with novel mechanisms of action are needed.
Elizabeth Cadavid, Fernando Echeverri
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Systematic screening of different polyglycerin‐based dienophile macromonomers for efficient nanogel formation through IEDDA inverse nanoprecipitation [PDF]
, 2019 Alternatives for strain‐promoted azide–alkyne cycloaddition (SPAAC) chemistries are needed because of the employment of expensive and not easily scalable precursors such as bicyclo[6.1.0]non‐4‐yne (BCN).
Haag, Rainer +2 more
core +1 more source
PRENYLATED XANTHONES FROM Rheedia acuminata [PDF]
Acta Amazonica, 1993 Pyranojacareubin; 1,5-dihydroxy-6',6'-dimethyl-2H-pyran(2',3':6,7) -6",6"-dim-ethyI-2H,4H-pyran(2",3":2,3)xanthone and a new xanthone l,6-dihydroxy-5-methoxy-6',6'-dim-ethyl-2H-pyran(2',3':3,2)-7-(3,3-dimethylprop-2-enyl)xanthone were isolated from the ...
Maria das G. B ZOGHBI +3 more
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An overview of structure-based activity outcomes of pyran derivatives against Alzheimer’s disease
Saudi Pharmaceutical Journal, 2023 Pyran is a heterocyclic group containing oxygen that possesses a variety of pharmacological effects. Pyran is also one of the most prevalent structural subunits in natural products, such as xanthones, coumarins, flavonoids, benzopyrans, etc. Additionally
Faisal A. Almalki
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Acta Chimica Slovenica, 2018 The reaction of anthranilic acid with ethoxycarbonylisothiocyanate gave the ethyl 4-oxo-2-thioxo-1,2-dihydroquinazoline-3(4H)-carboxylate (4). The reaction of compound 4 with hydrazine hydrate and a-halocarbonyl derivatives was found to give either ...
Rafat M. Mohareb, Peter A. Halim
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The therapeutic aspects of the endocannabinoid system (ECS) for cancer and their development: from nature to laboratory [PDF]
, 2016 The endocannabinoid system (ECS) is a group of neuromodulatory lipids and their receptors, which are widely distributed in mammalian tissues. ECS regulates various cardiovascular, nervous, and immune system functions inside cells.
Botta, Bruno +5 more
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Acta Crystallographica Section E: Crystallographic Communications, 2019 The title compound, C35H27ClN4O3, crystallized with two independent molecules (A and B) in the asymmetric unit. In both molecules, the pyran and pyridine rings adopt envelope and chair conformations, respectively.
S. Syed Abuthahir +4 more
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