Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Gholam Hossein Shahverdizadeh"'
Autor:
Rahim Hosseinzdeh Khanamiri, Esmail Vessally, Gholam Hossein Shahverdizadeh, Mirzaagha Babazadeh, Ladan Edjlali
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 37, Iss 3, Pp 51-62 (2018)
Efficient and environmentally friendly syntheses of xanthenes derivatives by using γ-Fe2O3@HAP-Fe2+ NPs as a catalyst has been carried out. The catalyst can be readily isolated by using an external magnet and no obvious loss of activity was observed
Externí odkaz:
https://doaj.org/article/37707449ceaf4fe2b26a88ae0ec58de0
Autor:
Rahman Bikas, Samra Nikbakht Sardari, Seyed Sajjad Hosseini, Gholam Hossein Shahverdizadeh, Behrouz Notash
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 4, Pp o1090-o1090 (2012)
In the title molecule, C8H8IN3O2, there is an intramolecular O—H...N hydrogen bond between the hydroxy group and the imine N atom, which generates an S(6) ring. In the crystal, the carbonyl O atom accepts two different N—H...O hydrogen bonds, whi
Externí odkaz:
https://doaj.org/article/6167e378997f454abcb848b5dfd08d20
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp m278-m278 (2012)
The title complex, [Cu(C17H11BrNO)2], lies on a centre of inversion. The chelating Schiff base anions define a square-planar N2O2 donor set. The nearly perpendicular orientation of the naphthyl residues of the chelate ring [dihedral angle = 82.12 (12
Externí odkaz:
https://doaj.org/article/c5758ca91fc542e29ba157fe0a3a8b91
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp m237-m238 (2012)
In the title PbII complex, [Pb2(C2Cl3O2)2(NO3)2(C12H8N2)2]n, the 1,10-phenanthroline ligand is chelating, the nitrate anion chelates one PbII ion and simultaneously bridges a neighbouring PbII ion via the third O atom, and the trichloroacetate anion
Externí odkaz:
https://doaj.org/article/e71be365919d4fe4bb5ef9a4998a71f8
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp m246-m247 (2012)
In the title complex, [Sn(C17H10ClNO2)Cl2(CH3OH)], the SnIV atom features a distorted octahedral geometry defined by the O,N,O′-donors of the dianion, two Cl atoms and the methanol O atom. The six-membered chelate ring has a half-chair conformation
Externí odkaz:
https://doaj.org/article/3d04ad3a92364d3fa6c75147746c3ec6
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp m236-m236 (2012)
The title Schiff base complex, [V(C13H10N3O2)O2], features a square-pyramidal coordination geometry defined by the O,N′,O′-donors of the tridentate Schiff base ligand and two oxide O atoms; one oxide O atom occupies the apical position. In the cr
Externí odkaz:
https://doaj.org/article/e99c314be2304abd8bbb94b720bcf93f
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp m242-m243 (2012)
The title compound, [Cu2(C2Cl3O2)2Cl2(C12H8N2)2], features a centrosymmetric binuclear complex. The coordination geometry around the CuII atom is square-pyramidal, comprising two N atoms from a symmetrically chelating 1,10-phenanthroline ligand, one
Externí odkaz:
https://doaj.org/article/e7faf4d7733442668216b56097ccbf6d
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp m221-m222 (2012)
The title Schiff base complex, [V(C13H7BrClNO2)(CH3O)O(CH3OH)], features a vanadyl group, a tridentate Schiff base ligand, and coordinated methanol and methanolate ligands. The NO5 donor set is based on a distorted octahedron. Helical supramolecular
Externí odkaz:
https://doaj.org/article/c8e3187cb20a41528770f705c899e26b
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 12, Pp m1729-m1730 (2011)
The PbII atom in the polymeric title compound, {[Pb(C13H11N4O)(CH3OH)2]ClO4}n, is coordinated by an N′-[1-(pyridin-2-yl-κN)ethylidene]isonicotinohydrazidate ligand via O,N,N′-donors and simultaneously bridged by a neighbouring ligand via the iso
Externí odkaz:
https://doaj.org/article/d21772ee6e7f4fada1611cbf71c4ffde
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 12, Pp m1727-m1728 (2011)
The PbII atom in the polymeric title compound, {[Pb(C13H11N4O)]ClO4}n, is coordinated by the N′-[1-(pyridin-2-yl-κN)ethylidene]isonicotinohydrazidate ligand via its O,N,N′-donors and simultaneously bridged by a neighbouring ligand via the pyridi
Externí odkaz:
https://doaj.org/article/b93c750b66ac4f3ead1adf7eb14474d6