Zobrazeno 1 - 10
of 1 625
pro vyhledávání: '"Xian X. Zhang"'
Autor:
Chizuko Okazaki, Kinuko Ogura, Jerald S. Bradshaw, Sadatoshi Akabori, Yoichi Habata, Xian X. Zhang
Publikováno v:
Inorganic Chemistry. 46:8264-8270
Structures of LiSCN, NaSCN, KSCN, RbSCN, and CsSCN complexes with 3',5'-difluoro-4'-hydroxybenzyl-armed monoaza-15-crown-5 ether (5) were investigated. The Li+ and Na+ complexes are (1:1)n polymer-like complexes bridged by hydrogen bonding. On the ot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86b6121cee2aaf24cfb3d4067945178a
https://doi.org/10.1021/ic7011606
https://doi.org/10.1021/ic7011606
Autor:
Erik G. Nelson, Sang Chul Lee, Reed M. Izatt, Jerald S. Bradshaw, John D. Lamb, Xian X. Zhang, Paul B. Savage
Publikováno v:
Inorganica Chimica Acta. 317:174-180
Four 8-hydroxyquinoline-containing tetraazacrown ethers were studied for their potential application as highly selective Cu 2+ receptors. Equilibrium constants for complexation of these tetraazacrown ethers with H + , Co 2+ , Ni 2+ , Cu 2+ , Zn 2+ ,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6174aaae1c3137091641ff0cc28811af
https://doi.org/10.1016/s0164-1212(00)00110-2
https://doi.org/10.1016/s0164-1212(00)00110-2
Publikováno v:
Journal of Heterocyclic Chemistry. 38:253-258
New armed-monoaza-12-crown-4 and armed-monoaza-15-crown-5 ethers having dual phenolic OH and pyridine nitrogen binding sites in a side arm were prepared by the Mannich reaction of N-methoxymethyl-monoazacrown ethers with 3-hydroxypyridine. Complexati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d672a563111f5940c71d86ccc6b8a3e
https://doi.org/10.1002/jhet.5570380137
https://doi.org/10.1002/jhet.5570380137
Autor:
N. Kent Dalley, Xian X. Zhang, Jerald S. Bradshaw, Krzysztof E. Krakowiak, Paul B. Savage, Guoping Xue, Reed M. Izatt, Ning Su
Publikováno v:
Journal of Heterocyclic Chemistry. 37:711-718
The Mannich aminomethylation reaction of aromatic thiols has been used to produce diaza-18-crown-6 ligands containing thiol-derived side arms. Thiophenols were attached to the azacrown through N-CH2-S linkages even in the presence of hydroxy or aceta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::482c12c48031c1102bb78256c2ca3577
https://doi.org/10.1002/jhet.5570370407
https://doi.org/10.1002/jhet.5570370407
Autor:
Krzysztof E. Krakowiak, Xian X. Zhang, Guoping Xue, Jerald S. Bradshaw, Reed M. Izatt, N. Kent Dalley, Alexander Y. Nazarenko
Publikováno v:
Journal of Heterocyclic Chemistry. 37:719-723
A macrotricyclic ligand composed of two benzene rings connected by four 2,2′-oxydiphenoxide bridges (2) has been prepared by treating 1,2,4,5-tetrakis[2-(2-hydroxyphenoxy)phenoxymethyl]benzene with 1,2,4,5-tetrakis(bromomethyl)benzene in acetonitri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac90611682b6e3f19bd2bd7af8bd4983
https://doi.org/10.1002/jhet.5570370408
https://doi.org/10.1002/jhet.5570370408
Autor:
Xian X. Zhang, Reed M. Izatt, Paul B. Savage, Krzysztof E. Krakowiak, Ning Su, Jerald S. Bradshaw
Publikováno v:
Journal of Heterocyclic Chemistry. 36:771-775
Six diaza-18-crown-6 ligands each containing two aromatic side arms with responsive functions were prepared. Diaza-18-crown-6 containing two 4-hydroxyazobenzene or two 4- hydroxy-4'-(dimethylamino)-azobenzene (3 or 4) substituents were prepared via a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19965664d7aab5fe3ced48eb2a7c54e6
https://doi.org/10.1002/jhet.5570360332
https://doi.org/10.1002/jhet.5570360332
Autor:
N. Kent Dalley, Victor N. Pastushok, Paul B. Savage, Zhaoxia Yang, Andrei V. Bordunov, Xian X. Zhang, Xiaolan Kou, Jerald S. Bradshaw, Reed M. Izatt
Publikováno v:
Tetrahedron. 53:17595-17606
A simple synthetic pathway for the preparation of oxime- and Schiff base-containing aza- and diazacrown ethers is reported. N-Methoxymethyl-substituted aza-15-crown-5 and aza-18-crown-6 as well as N,N′-bis(methoxymethyl)-substituted diaza-18-crown-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58fa0dfd6dbfbee27ae3063d1881dbd8
https://doi.org/10.1016/s0040-4020(97)10229-0
https://doi.org/10.1016/s0040-4020(97)10229-0
Autor:
Cheng Y. Zhu, Reed M. Izatt, Jerald S. Bradshaw, Péter Huszthy, Xian X. Zhang, Janet C. Curtis, Jon K. Hathaway, Tingmin Wang
Publikováno v:
Journal of Inclusion Phenomena and Molecular Recognition in Chemistry. 17:157-175
Equilibrium constant (K), enthalpy change (ΔH), and entropy change (ΔS) values were determined for the interactions of a series of chiral pyridino-18-crown-6 type ligands with enantiomers of several primary alkylammonium salts in various solvents.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2128017db47e70184bec612cf5e81915
https://doi.org/10.1007/bf00711856
https://doi.org/10.1007/bf00711856
Publikováno v:
ChemInform. 29
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a84539c45463db6a3ac83939ca1aeb7e
https://doi.org/10.1002/chin.199812266
https://doi.org/10.1002/chin.199812266
Autor:
Xian X. Zhang, Ning Su, Reed M. Izatt, Jerald S. Bradshaw, Krzysztof E. Krakowiak, Paul B. Savage
Publikováno v:
ChemInform. 30
Six diaza-18-crown-6 ligands each containing two aromatic side arms with responsive functions were prepared. Diaza-18-crown-6 containing two 4-hydroxyazobenzene or two 4- hydroxy-4'-(dimethylamino)-azobenzene (3 or 4) substituents were prepared via a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a3f766806077604199b54c1dcc79048
https://doi.org/10.1002/chin.199942174
https://doi.org/10.1002/chin.199942174