Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Chuan-Wei Oo"'
Autor:
Adewusi John Adepoju, Sunday Olusegun Oladoye, Ezekiel Temidayo Ayodele, Adeola Victoria Falade, Gin Keat Lim, Chuan Wei OO
Publikováno v:
Majalah Obat Tradisional, Vol 29, Iss 1, Pp 46-53 (2024)
Nauclea pobeguinii is a plant in the Rubiaceae family endemic to the swamp forest region of the world. Its extract is widely used in traditional medicine for the treatment of a wide variety of ailments such as malarial, Jaundice, gonorrhea, fever, an
Externí odkaz:
https://doaj.org/article/1f79f8d821544e6eaab9c66aa56167f9
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 1, Pp o38-o38 (2012)
In the title compound, C26H25FO5, the terminal cyclohexane rings of the xanthene ring system adopt half-boat conformations. The 4H-chromene ring make a dihedral angle of 87.94 (5)° with the xanthene ring system and its carbonyl O atom lies above the
Externí odkaz:
https://doaj.org/article/4a4db315a39b4041aa912f93b69d4ba0
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp o1712-o1712 (2011)
In the title compound, C15H8Cl2N2O2, the molecule adopts an E configuration about the central C=N double bond. The isoindoline ring is essentially planar, with a maximum deviation of 0.019 (2) Å. The dihedral angle between the isoindoline ring and t
Externí odkaz:
https://doaj.org/article/50a93a61161a452e833b0ba08514b92e
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp o1813-o1813 (2011)
The asymmetric unit of the title compound, C21H26O4S, consists of two independent molecules. In both molecules, intramolecular O—H...O hydrogen bonds stabilize the molecular structure. In the crystal, each molecule and its symmetry-related molecule
Externí odkaz:
https://doaj.org/article/d69992c1ca9e4490a51f770e9c6b97bb
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 5, Pp o1037-o1038 (2011)
The whole molecule of the title compound, C23H14O6S, is disordered over two sets of sites with refined occupancies of 0.8733 (12):0.1267 (12). The dihedral angle between the mean planes through the chromene ring systems is 56.31 (5) and 55.2 (3)° fo
Externí odkaz:
https://doaj.org/article/9e9194600b3f476c9a77e23d4953e3f1
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 4, Pp o766-o766 (2011)
In the title compound, C10H5FO3, the chromenone ring is essentially planar, with a maximum deviation of 0.039 (1) Å. The dihedral angle between the fluoro-subsituted benzene ring and the pyran ring is 1.92 (4)°. In the crystal, molecules are connec
Externí odkaz:
https://doaj.org/article/058a804e55a345e0bb608daed3ef300e
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 2, Pp o494-o495 (2011)
The asymmetric unit of the title compound, C17H14O6S, contains four crystallographically independent molecules in which the pyranone units are essentially planar, with maximum deviations of 0.016 (2), 0.019 (2), 0.025 (2), 0.014 (2), 0.020 (2), 0.010
Externí odkaz:
https://doaj.org/article/2708515f28fe4f39b7559aee3f959092
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 2, Pp o437-o438 (2011)
In the title compound, C24H16Cl2N2O3, the chromene ring system is almost planar, with a maximum deviation of 0.042 (1) Å. It makes dihedral angles of 3.72 (6), 73.37 (5) and 12.00 (5)° with the dihydropyrazole, benzene and phenyl rings, respectivel
Externí odkaz:
https://doaj.org/article/3f920cd46d244ab085341876d732542e
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3129-o3130 (2010)
In the title coumarin derivative, C13H12O4, the 2H-chromene ring system is essentially planar [maximum deviation = 0.047 (1) Å]. An intramolecular hydrogen bond is observed between the hydroxy and the ketonic O atoms. In the crystal, pairs of interm
Externí odkaz:
https://doaj.org/article/39510ad001d04d19b97a2e91198802a8
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 11, Pp o3022-o3023 (2010)
In the title compound, C18H10Cl2O4, the chromen-2-one ring system is almost planar [maximum deviation = 0.028 (1) Å] and is inclined at an angle of 16.35 (4)° with respect to the benzene ring. The C=C bond has an E configuration. The molecular conf
Externí odkaz:
https://doaj.org/article/9a96c7af67ef4407a21725fbb4ea54da