Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Jörg Hübscher"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 10, Pp 1370-1373 (2016)
In the title compounds, C10H8O2, (I), and C13H14O3, (II), the 2-acetyl-4-ethynylphenol unit displays a planar geometry, which is stabilized by an intramolecular O—H...O hydrogen bond. The crystal structure of (I) is constructed of infinite strands,
Externí odkaz:
https://doaj.org/article/e88ebb66a113409c87efa187ff9f9ef9
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 10, Pp 1560-1562 (2017)
The crystal structure of the title compound, C9H6OS2, represents a new polymorph. The crystal structure was solved in the orthorhombic space group Pbcn with one half of the molecule in the asymmetric unit. The thiophene rings are perfectly planar and
Externí odkaz:
https://doaj.org/article/7484823127b8440da08b2b2c8158a5d4
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp o1622-o1622 (2011)
The crystal structure of the title compound, C10H10O3, is characterized by classical intramolecular hydrogen bonding. The hydroxy group is disordered over two positions (77 and 23%). The crystal structure is stabilized via π–π [3.5986 (1) Å] and
Externí odkaz:
https://doaj.org/article/c9e5d9e122264b43a4a25ed8c654fb55
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1477-o1477 (2011)
In the title compound, C6H10N6S22+·2Cl−·CH3OH, the pyridazine ring is almost planar, the greatest deviation from the mean plane being 0.025 (2) Å for one of the ring N atoms. The two thiouronium substituents are tilted out of this plane by 60.87
Externí odkaz:
https://doaj.org/article/5d9138c9b090472bb1ef9d7a6415a5dd
Publikováno v:
CrystEngComm. 19:3026-3036
A series of azines featuring differently halogen and protic group substituted pyridine, pyrimidine and pyridazine compounds have been synthesized and studied in terms of their crystal structures in order to develop a better understanding of the links
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 10, Pp 1370-1373 (2016)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
Crystal structures of two 4-substituted derivatives of 2-acetylphenol are discussed comparatively with reference to modes of hydrogen bonding.
In the title compounds, C10H8O2, (I), and C13H14O3, (II), the 2-acetyl-4-ethynylphenol unit displays
In the title compounds, C10H8O2, (I), and C13H14O3, (II), the 2-acetyl-4-ethynylphenol unit displays
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications
The ethynylpyrimidine moiety displays an almost planar geometry. In the crystal, molecules are linked by O—H⋯N and C—Hpyrimidine⋯O hydrogen bonds, forming a three-dimensional supramolecular architecture.
In the title compound, C9H9
In the title compound, C9H9
Publikováno v:
Journal of Molecular Structure. 1091:88-97
Derived from the result of a previous crystallographic study regarding an ethynylene bridged bispyrimidine, the presence of two intramolecular C–H⋯N hydrogen bonding contacts being responsible for a fixation of the terminal t-butylthio units to t
Autor:
Rosemarie Dittrich, Florian Mertens, Edwin Weber, Yvonne Joseph, Michael Günthel, Jörg Hübscher
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 53:335-344
A symmetrical 2-thiopyrimidine based molecule with an expanded π-electron system is synthesized and used to form a self-assembled monolayer (SAM) on gold surfaces. Utilizing chemical vapor deposition a monolayer of (3-mercaptopropyl)triethoxysilane
Publikováno v:
Journal of Heterocyclic Chemistry. 52:1062-1074
A series of bispyridines and bispyrimidines 1a, 1b, 1c, 1d, 1e showing the heterocycles attached to both ends of an ethynylene unit and being α-substituted with chloro, tert-butylthio, and methoxy groups have been synthesized via cross-coupling tech