Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Akoun Abou"'
Publikováno v:
IUCrData, Vol 6, Iss 6, p x210674 (2021)
In the tricyclic title compound, C11H12N2OS, the 2,3,4,5-tetrahydropyridine ring adopts a half-chair conformation. This ring makes dihedral angles of 27.72 (7) and 45.17 (7)°, respectively, with the isoxazole and the cyclohexa-1,3-diene rings while
Externí odkaz:
https://doaj.org/article/ec1d493f73e748008e1d32884801bafc
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 5, Pp 761-765 (2018)
In the title compound, C16H9FO4, (I), the benzene ring is oriented at an acute angle of 59.03 (15)° relative to the coumarin plane (r.m.s deviation = 0.009 Å). This conformation of (I) is stabilized by an intramolecular C—H...O hydrogen bond, whi
Externí odkaz:
https://doaj.org/article/aac1069b99b3498eb83560842ca6c2cc
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 4, Pp 530-534 (2018)
In the title compound, C20H18O4, the benzoate ring is oriented at an acute angle of 33.10 (12)° with respect to the planar (r.m.s deviation = 0.016 Å) coumarin ring system. An intramolecular C—H...O hydrogen bond closes an S(6) ring motif. In the
Externí odkaz:
https://doaj.org/article/13c5ecb6c1c441158ac21f3980e00c0b
Publikováno v:
IUCrData, Vol 3, Iss 11, p x181653 (2018)
The title co-crystalline compound, C10H10O3·C9H8O4, has been synthesized and characterized in a single-crystal X-ray diffraction study. In the 3-hydroxy-3-methylisochroman-1-one molecule, the six-membered heterocyclic ring lies between an envelope a
Externí odkaz:
https://doaj.org/article/38facf8d32164116aaa4aa5013fca1d8
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 9, Pp 1356-1359 (2016)
In the cation of the title hydrated molecular salt, C10H12N3O3S+·Cl−·H2O, the benzimidazolium ring system is almost planar (r.m.s. deviation = 0.006 Å) and the nitro group is inclined at an angle of 4.86 (9)° to this plane. In the crystal, C—
Externí odkaz:
https://doaj.org/article/4928acbee22d4e95b765a7d7c25ae436
Publikováno v:
IUCrData, Vol 3, Iss 7, p x180927 (2018)
In the title compound, C17H12O4, the benzoate ring is oriented at an acute angle of 60.14 (13)° relative to the coumarin plane (r.m.s. deviation = 0.006 Å). This conformation is stabilized by an intramolecular C—H...O weak hydrogen bond, which fo
Externí odkaz:
https://doaj.org/article/86185900ff4243c5be9d798c66a612a5
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1125-o1126 (2013)
In the title compound, C12H10O4, the atoms of the 2-oxo-2H-chromene ring system and the non-H atoms of the 4-substituent all lie on a crystallographic mirror plane. The molecular structure exhibits an intramolecular C—H...O hydrogen bond, which gen
Externí odkaz:
https://doaj.org/article/e4f9bb05398d4e6a909a64c8cb23f162
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1081-o1082 (2013)
The asymmetric unit of the title compound, C17H12O4, consists of two independent molecules. The chromen-2-one ring and the 4-methylbenzoate side chain are inclined to one another at a dihedral angle of 64.79 (10)° in one molecule and 88.3 (1)° in t
Externí odkaz:
https://doaj.org/article/a6f3b615ccc94769995a3d1d5ddeec13
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3438-o3439 (2012)
In the title molecule, C17H12O5, the chromen-2-one ring and the 4-methoxybenzoate side chain are inclined to one another at a dihedral angle of 69.82 (9)°. The crystal structure features parallel sheets of centrosymmetric R22(6) dimers joined by a C
Externí odkaz:
https://doaj.org/article/7487225792e945848f8795af352ff2e6
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o537-o538 (2012)
In the title molecule, C20H18O4, the three methyl groups of the tert-butyl substituent show rotational disorder. Each methyl group is split over three positions, with refined site-occupation factors of 0.711 (4), 0.146 (3) and 0.144 (4). The benzene
Externí odkaz:
https://doaj.org/article/838b1cca1ad143e0afd0adaeb4a5579e