Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Thais C. M. Noguiera"'
Autor:
Laura N. F. Cardoso, Thais C. M. Noguiera, James L. Wardell, Marcus V. N. de Souza, William T. A. Harrison
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 3, Pp 313-318 (2018)
The crystal structures of three isomeric (E)-N′-(chlorophenylmethylidene)-N-methyl-2-(thiophen-2-yl)acetohydrazides (C14H13ClN2OS) are described, with the Cl atom in ortho (I), meta (III) and para (IV) positions in the benzene ring. The ortho-bromo
Externí odkaz:
https://doaj.org/article/624e0608e09c4e7db97e93e71811c7fa
Autor:
Laura N. F. Cardoso, Thais C. M. Noguiera, Carlos R. Kaiser, James L. Wardell, Marcus V. N. de Souza, William T. A. Harrison
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 11, Pp 1636-1641 (2017)
The syntheses and crystal structures of (E)-N′-(3-cyanobenzylidene)-N-methyl-2-(thiophen-2-yl)acetohydrazide, C15H13N3OS, (I), and (E)-N′-(4-methoxybenzylidene)-N-methyl-2-(thiophen-2-yl)acetohydrazide, C15H16N2O2S, (II), with different substitue
Externí odkaz:
https://doaj.org/article/1fb32001cf274689af1afd463943db33
Autor:
Laura N. F. Cardoso, Thais C. M. Noguiera, Carlos R. Kaiser, James L. Wardell, Marcus V. N. de Souza, Shaun T. Lancaster, William T. A. Harrison
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 12, Pp 1677-1682 (2016)
The crystal structures of three isomeric (E)-N-methyl-N′-(nitrobenzylidene)-2-(thiophen-2-yl)acetohydrazides (formula C14H13N3O3S) are described, with the nitro group in ortho, meta and para positions in the benzene ring. In each crystal structure,
Externí odkaz:
https://doaj.org/article/bafe460d89024a84ab4d31913ed59ac5
Autor:
Thais C. M. Noguiera, Alessandra C. Pinheiro, James L. Wardell, Marcus V. N. de Souza, Jordan P. Abberley, William T. A. Harrison
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 7, Pp 752-756 (2015)
The crystal structures of three methylated hydrazine carbamate derivatives prepared by multi-step syntheses from l-serine are presented, namely benzyl N-{(E)-1-[2-(4-cyanobenzylidene)-1-methylhydrazinyl]-3-hydroxy-1-oxopropan-2-yl}carbamate, C20H20N4
Externí odkaz:
https://doaj.org/article/02715f91529f43bc9cc2abe1089e88dd
Autor:
Thais C. M. Noguiera, Alexandra C. Pinheiro, Marcus V. N. de Souza, James L. Wardell, Edward R. T. Tiekink
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 2, Pp o125-o125 (2014)
The 21 non-H atoms of the title compound, C15H10Cl2N4, are almost planar (r.m.s. deviation = 0.032 Å); the conformation about the N=C bond [1.277 (6) Å] is E. In the crystal, zigzag supramolecular chains along the c axis (glide symmetry) are formed
Externí odkaz:
https://doaj.org/article/71a8da531e794d7d9cc3070e8cba6d5d
Autor:
James L. Wardell, Marcus V. N. de Souza, Solange M. S. V. Wardell, Alessandra C. Pinheiro, Nathasha R. de L. Correira, Thais C. M. Noguiera, John N. Low, Ligia R. Gomes
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 234:59-71
The crystal structures of four azines, namely 1-3-bis(4-methoxyphenyl)-2,3-diaza-1,4-butadiene, 1, 1,3-bis(2,3-dimethoxyphenyl)-2,3-diaza-1,4-butadiene, 2, 1,3-bis(2-hydroxy-3-methoxyphenyl)-2,3-diaza-1,4-butadiene, 3, and 1,3-bis(2-hydroxy-4-methoxy
Autor:
James L. Wardell, Thais C. M. Noguiera, William T. A. Harrison, Laura N. F. Cardoso, M.V.N. de Souza
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 3, Pp 313-318 (2018)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
The packing motifs in the isomeric title compounds feature inversion dimers or chains, mediated by C—H⋯O interactions, one of which is unusually short (H⋯O = 2.18 Å).
The crystal structures of three isomeric (E)-N′-(chlorophenylme
The crystal structures of three isomeric (E)-N′-(chlorophenylme
Autor:
Thais C. M. Noguiera, Solange M. S. V. Wardell, Nathasha R. de L. Correira, James L. Wardell, Ligia R. Gomes, John N. Low, Marcus V. N. de Souza, Alessandra C. Pinheiro
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 233:135-143
The crystal structures and Hirshfeld surface analyses are reported, from data collected at 100 K, of six 1,4-bis(X,Y-phenyl)-2,3-diazabuta-1,3-dienes (1–6), namely (1: X, Y=H, 4-Cl; 2: X, Y=3,4-Cl2; 3: X, Y=2,4-Cl2; 4: X, Y=H, 2-Br, H; 5: X, Y=H, 3
Autor:
William T. A. Harrison, James L. Wardell, Laura N. F. Cardoso, Marcus V. N. de Souza, Thais C. M. Noguiera, Shaun T. Lancaster, Carlos R. Kaiser
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 12, Pp 1677-1682 (2016)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
Three isomeric methylated 2-(thiophen-2-yl)acetohydrazides show little consistency in the pattern of weak (C—H⋯O, C—H⋯π and π–π) interactions in their crystal structures.
The crystal structures of three isomeric (E)-N-methyl-N
The crystal structures of three isomeric (E)-N-methyl-N
Autor:
James L. Wardell, Nathasha R. de L. Correira, Thais C. M. Noguiera, Solange M. S. V. Wardell, Alessandra C. Pinheiro, Marcus V. N. de Souza
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 231:271-284
Structures are reported of (E)-((2-((pyridin-2-yl)hydrazonyl)methyl)arene compounds, 2-aryl-CH=N–CH)-pyridine, 8, namely (aryl=2,4-(HO)2C6H3, 8a; 2,5-(HO)2C6H3, 8b, 2–HOC6H4, 8c, as the hemihydrate, [(8c) 2· (H 2 O )], 2–HO–5–O2NC6H3, 8d;