Results 11 to 20 of about 6,769 (240)

MRA Mapping and Selective Embolization of a Large Uterine Cavity Pseudoaneurysm at 20 Weeks of Gestation [PDF]

Case Reports in Obstetrics and Gynecology, 2018
Antepartum uterine cavity pseudoaneurysm rupture can cause massive hemorrhage with high maternal and fetal mortality risk. Invasive placentation can predispose to vascular malformations. We present a novel use of macrocyclic intravenous contrast-enhanced
Jean V. Storey, Timothy B. Dinh, Deirdre M. McCullough, Steven H. Craig, Christian L. Carlson   +4 more
doaj   +2 more sources

Molecular Recognition with Macrocyclic Receptors for Application in Precision Medicine [PDF]

, 2023
ConspectusMacrocyclic receptors can serve as alternatives to natural recognition systems as recognition tools. They provide effectively preorganized cavities to encapsulate guests via host–guest interactions, thereby affecting the physiochemical ...
Yu-Chen Pan (4682284), Jia-Hong Tian (17427676), Dong-Sheng Guo (642391)   +2 more
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Protonation and Zn(II) Coordination by Dipyridine-Containing Macrocycles with Different Molecular Architecture. A Case of pH-Controlled Metal Jumping Outside−Inside the Macrocyclic Cavity [PDF]

, 2016
The synthesis of the macrocyclic ligand 4,4‘-(2,5,8,11,14-pentaaza[15])-2,2‘-bipyridylophane (L3), which contains a pentaamine chain linking the 4,4‘-positions of a 2,2‘-dipyridine moiety, is reported.
Andrea Bencini (1960717), Claudia Giorgi (1719847), A. Jorge Parola (1590547), Carlos Lodeiro (1791724), Fernando Pina (1765015), Andrea Masotti (791126), Barbara Valtancoli (1960708), Carla Bazzicalupi (1601914), Antonio Bianchi (1719853)   +8 more
core   +3 more sources

Metal coordinated macrocyclic complexes in different chemical transformations [PDF]

, 2022
Macrocyclic ligand chemistry is seen by a growing number of scientists as a tool for designing new molecules with inherently selective properties. Metal coordinated macrocyclic rings are featured with exceptionally stable π-conjugated cyclic systems ...
Arti Sharma, M. Naushad, Manish Kumar, Naushad, Mu, Thakur, Maheshwar S., Kumar, Sunil, Kumar, Manish Anil, Maheshwar S. Thakur, Abdul Syukor, Abd Razak, Sunil Kumar, Singh, Lakhveer, Rana, Rohit, Singh, Neha, Sharma, Arti, Rohit Rana, Neha Singh, Lakhveer Singh, A.R. Abdul Syukor   +17 more
core   +1 more source

Synthesis, characterization and crystal structure of a new tetraaza macrocycle with m-xylyl spacer [PDF]

شیمی کاربردی روز, 2018
The new [2+2] macrocyclic ligand with N4 donor set, from the [2+2] condensation of benzene-1,3-dicarboxaldehyde and 2,2- dimethylpropylenediamine  was synthesized by high dilution method and confirmed by IR, 1H NMR, 13C NMR, elemental analysis and ...
Marjan Abedi
doaj   +1 more source

Towards nanomaterials with tubular pores: synthesis and self-assembly of bis-pillar[5]arene

Chimica Techno Acta, 2023
Recently, materials obtained using supramolecular chemistry approaches, and, in particular, spatially preorganized macrocyclic compounds, have attracted close attention of the researchers.
Dmitriy N. Shurpik, Yulia I. Aleksandrova, Lyaysan I. Makhmutova, Alan A. Akhmedov, Ivan I. Stoikov   +4 more
doaj   +1 more source

3,7,11,19,23,27-Hexaazatricyclo[27.3.1.113,17]tetratriaconta-1(32),13,15,17(34),29(33),30-hexaene hexachloride tetrahydrate

Acta Crystallographica Section E, 2008
The title compound, C28H52N66+·6Cl−·4H2O, is a dinucleating 28-membered centrosymmetric hexaazamacrocyclic complex. The macrocyclic ligand adopts a chair-like conformation, with the crystallographic inversion center located in the ...
Hai-Yan Liu, Guo-Hua Wei, Jian-Fang Ma
doaj   +1 more source

Synthesis and trivalent lanthanide ion complexation studies of new macrocyclic receptors based lactam ionophores [PDF]

, 2014
This study is the first report on the design, synthesis and photophysical properties of three new macrocyclic receptors based receptors containing two amide bridges. Their binding properties towards trivalent lanthanide ions such as La3+, Gd3+, Tb3+, Dy3+
Bayrakci, Mevlut, Gullu, Fadime, Ertul, Seref, Kursunlu, Ahmed Nuri, Yigiter, Sengul   +4 more
core   +1 more source

Diametric calix[6]arene-based phosphine gold(I) cavitands

Beilstein Journal of Organic Chemistry, 2022
We report the synthesis and characterization, in low polarity solvents, of a novel class of diametric phosphine gold(I) cavitands characterized by a 1,2,3-alternate geometry. Preliminary catalytic studies were performed on a model cycloisomerization of 1,
Gabriele Giovanardi, Andrea Secchi, Arturo Arduini, Gianpiero Cera   +3 more
doaj   +1 more source

New metal organic frameworks incorporating the ditopic macrocyclic ligand dipyridyldibenzotetraaza[14]annulene [PDF]

, 2011
The synthesis and crystal structures of three new metal organic frameworks of type [Zn(L-2H)](n) (1), {[ZnLCl2](CH3CN)(0.5)(DMF)(0.5)(H2O)(0.5)}(n) (2) and {[CdL (DMF)(NO3)(2)]center dot DMF}(n) (3), all based on the dipyridyl-derivatised macrocycle ...
Parkin, A., Parkin, Andrew, Wei, Gang, Kepert, C.J., Wei, G., Andrew Parkin, Kepert, Cameron, Wilson, J.G., McMurtrie, J., Mulyana, Y., John McMurtrie, Gang Wei, McMurtrie, John, Mulyana, Yanyan, Turner, Peter, Peter Turner, Lindoy, Leonard, Cameron J. Kepert, Wilson, J. G., Turner, P., J. G. Wilson, Leonard F. Lindoy, Lindoy, L.F., Yanyan Mulyana   +23 more
core   +1 more source