Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Hai-zhen Xu"'
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3202-o3202 (2010)
In the title compound, C16H19NO4, a potent new herbicide, the dihedral angle between the benzene and pyrrolidine rings is 11.09 (8)°. Intramolecular O—H...O and C—H...O hydrogen bonds are observed.
Externí odkaz:
https://doaj.org/article/f94eed2b338b4a81aa14cd1fdffa9e43
Autor:
Hai-zhen Xu, You-Quan Zhu
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 9, Pp o2248-o2248 (2010)
In the title compound, C18H20N2O3, the dihedral angle between the indole ring system (r.m.s. deviation = 0.018 Å) and the hydroxymethylenepyrrolidine-2,4-dione plane (r.m.s. deviation = 0.036 Å) is 9.87 (7)°. The keto and enol groups are involved
Externí odkaz:
https://doaj.org/article/ababbf0b53024911a47dc64c3d3f6dd4
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 6, Pp o1309-o1309 (2010)
The title compound, C20H19N3O, exists in a keto–enamine tautomeric form. The pyrazolone ring makes dihedral angles of 20.52 (10) and 77.73 (5)° with the two phenyl rings and an intramolecular N—H...O hydrogen bond occurs. A weak intermolecular C
Externí odkaz:
https://doaj.org/article/fd249cc724b74bbda180a1c29793cfb5
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 5, Pp o1123-o1123 (2010)
In the title compound, C20H19N3O, the dihedral angles formed by the pyrazolone ring with the two phenyl rings are 64.27 (6) and 17.00 (6)°. The molecular structure is stabilized by intramolecular N—H...O and C—H...O hydrogen bonds. In the crysta
Externí odkaz:
https://doaj.org/article/bb3c38d2d60a48cc88e3466c49ba727f
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 11, Pp o2740-o2740 (2009)
In the title compound, C25H23N3O2, the dihedral angles formed by the pyrazolone ring with the three aromatic rings are 14.59 (7), 79.35 (5) and 87.10 (6)°. Three intramolecular C—H...O, C—H...N and N—H...O hydrogen-bond interactions are presen
Externí odkaz:
https://doaj.org/article/ffa2344486df43efb42b1d218c84dd6d
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 10, Pp m1181-m1182 (2009)
In the polymeric title complex, [Cu(C7H3N2O2S)2(H2O)2]n, the CuII centre is surrounded by three 1,2,3-benzothiadiazole-7-carboxylate and two water molecules. A 1,2,3-benzothiadiazole-7-carboxylate ligand bridges two CuII centres, with a Cu...Cu dista
Externí odkaz:
https://doaj.org/article/8f3833611690431ead7a77bdcde7d22a
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2116-o2116 (2009)
In the title compound, C21H23N3O, the dihedral angles formed by the pyrazolone ring with two phenyl rings are 10.38 (8) and 76.94 (6)°. The sec-butylamino group is disordered over two positions, with refined site-occupancy factors of 0.730 (4) and 0
Externí odkaz:
https://doaj.org/article/2cf20c583fdf4fc795618c1b2c44a155
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 1, Pp o217-o217 (2008)
The title compound, C18H23NO5, a potential herbicide, has an enol group that is intramolecularly hydrogen bonded to a keto O atom. The dihedral angle between the six-membered ring formed by the enol group and the aromatic benzene ring is 53.35 (6)°.
Externí odkaz:
https://doaj.org/article/53003067f7ac41f2afc516c0c8493321
Publikováno v:
Journal of Heterocyclic Chemistry. 50:202-205
A variety of novel 3-(α-hydroxymethylene)pyrrolidine-2,4-dione derivatives containing a cyclopropane moiety were designed and synthesized in satisfactory yields. Their structures were confirmed by 1H NMR and HRMS. The bioassays indicated that most o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::797a826e61ce6f106a714928366af83e
https://doi.org/10.1002/jhet.909
https://doi.org/10.1002/jhet.909
Publikováno v:
European Journal of Inorganic Chemistry. 2010:3109-3116
A new trinuclear manganese(II) complex {[MnCI(bpma)] 2 -[Mn(μ-Cl) 4 (H 2 O) 2 ]}·CH 3 CN (1) [bpma = N,N-bis(2-pyr-idylmethyl)methylamine] has been synthesized and structurally characterized by X-ray crystallography. The variable temperature-depend
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cdd1027a4f4102005229318721d68e04
https://doi.org/10.1002/ejic.200901231
https://doi.org/10.1002/ejic.200901231