Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Rosica P. Nikolova"'
Autor:
Emil Popovski, Bistra Stamboliyska, Voislava Janevska, Boris Shivachev, Rosica P. Nikolova, Goran Stojkovic, Bozhna Mikhova
Publikováno v:
ARKIVOC, Vol 2010, Iss 10, Pp 62-76 (2010)
Externí odkaz:
https://doaj.org/article/94e362138166402c894aec9009891924
Autor:
Malinka P. Stoyanova, Silvia E. Angelova, Petar Y. Petrov, Rosica P. Nikolova, Boris L. Shivachev
Publikováno v:
ARKIVOC, Vol 2010, Iss 2, Pp 303-314 (2010)
Externí odkaz:
https://doaj.org/article/8ab360778a8f4066bdd5e0297445d05d
Autor:
Rosica P. Nikolova, Boris Shivachev, Bozhana Mikhova, Bistra Stamboliyska, Kristina Mladenovska, Ana P. Panovska, Emil Popovski
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 32, Iss 2 (2012)
In this paper, the synthesis and structure of a novel pyrano[3,2-c]coumarin, which was obtained unexpectedly in a reaction of phosphoryl chloride and acenocoumarol, are presented. The chemical structure of the novel compound was elucidated by a detai
Externí odkaz:
https://doaj.org/article/ae34f6aeea2540758d32c5424ce1c893
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp o2152-o2153 (2011)
The carboxylic acid molecule of the title compound, C11H20NO5P·0.25CH2Cl2, exists as a zwitterion with the H atom of the phosphonate group being transferred to the imine N atom. In the asymmetric unit, there are two crystallographically independent
Externí odkaz:
https://doaj.org/article/bb8a0fdccfd84a9c87342ce84b7fb5b7
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 9, Pp o1796-o1796 (2008)
In the title compound, C18H22N2O4, the dihedral angle between the pyrrolyl and quinolinyl fragments is 68.97 (2)°. Two non-classical intramolecular C—H...O hydrogen bonds stabilize the molecular geometry. In the crystal structure, molecules form i
Externí odkaz:
https://doaj.org/article/73df4eb7555a4e608f128ed883a8c048
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp m1023-m1023 (2008)
The title compound, cis,fac-dichloridotetrakis(dimethyl sulfoxide)-κ3S,κO-ruthenium(II), [RuCl2(C2H6OS)4], was obtained from newly synthesized ruthenium complexes of 3-amino-2-chloropyridine. The Ru atom has a distorted octahedral coordination with
Externí odkaz:
https://doaj.org/article/45855ce4ccd44856b9e4800755f76259