C-2 Epimerization of Aldoses Promoted by Combination of Monoamines and Alkaline Earth or Rare Earth Metal Ions, Involving a Rearrangement of the Carbon Skeleton

1987 ◽  
Vol 16 (7) ◽  
pp. 1409-1412 ◽  
Author(s):  
Tomoaki Tanase ◽  
Takashi Murata ◽  
Shigenobu Yano ◽  
Masanobu Hidai ◽  
Sadao Yoshikawa
Keyword(s):  
Rare Earth ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Alkaline Earth ◽  
Earth Metal ◽  
Carbon Skeleton

scholarly journals Molecular cleft or tweezer compounds derived from trioxabicyclo[3.3.1]nonadiene diisocyanate and diacid dichloride

2015 ◽  
Vol 11 ◽  
pp. 1-8 ◽  
Author(s):  
Gert Kollenz ◽  
Ralf Smounig ◽  
Ferdinand Belaj ◽  
David Kvaskoff ◽  
Curt Wentrup
Keyword(s):  
Rare Earth ◽  
Crown Ether ◽  
Dft Calculations ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Alkaline Earth ◽  
Earth Metal ◽  
X Ray ◽  
X Ray Crystallography ◽  
Derivatives Of

The structures of two derivatives of the bisdioxine diisocyanate 1, the bisurea 4 and the biscarbamate 5, are established by X-ray crystallography and DFT calculations. These compounds possess endo,endo structures, in the case of the bisurea 4 with two nearly parallel pendant chains. The X-ray structures are reproduced very well by DFT calculations. Similar endo,endo conformations are calculated for the bisamide crown ether derivatives 7, where two proximate and nearly parallel crown ether units endow the molecules with a claw-like molecular cleft or tweezer structure as evidenced by an enhanced ability to extract some alkali, alkaline earth and rare earth metal ions.

Phosphorylated-calix[4]arene double-deckers of single rare earth metal ions

2021 ◽  
Author(s):  
Marjan Hosseinzadeh ◽  
Sergio Sanz ◽  
Jan van Leusen ◽  
Natalya V Izarova ◽  
Euan K Brechin ◽  
...  
Keyword(s):  
Rare Earth ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Double Decker ◽  
Organic Framework

Combination of phosphoryl and calix[4]arene moieties in the same organic framework (LPO) directs the formation of homoleptic double-decker complexes [LnIII(LPO)2](O3SCF3)3 for Ln = Tb and Dy, with the latter displaying...

Selectivity of glassy type mixed zirconium-titanium phosphate toward rare earth metal ions

1991 ◽  
Vol 154 (1) ◽  
pp. 23-35 ◽  
Author(s):  
S. K. Shakshooki ◽  
A. Dhair ◽  
L. Szirtes ◽  
Yu. V. Yakovlev
Keyword(s):  
Rare Earth ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Titanium Phosphate ◽  
Zirconium Titanium Phosphate

Peptide Hydrogel with Antibacterial Performance Induced by Rare Earth Metal Ions

Langmuir ◽  
2021 ◽  
Author(s):  
Wenlong Xu ◽  
Zhiwen Zhang ◽  
Xin Zhang ◽  
Yuanhan Tang ◽  
Yuzhong Niu ◽  
...  
Keyword(s):  
Rare Earth ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Antibacterial Performance ◽  
Peptide Hydrogel

Publisher’s Note: Spin-Orbit Qubits of Rare-Earth-Metal Ions in Axially Symmetric Crystal Fields [Phys. Rev. Lett.103, 226402 (2009)]

2014 ◽  
Vol 113 (10) ◽  
Author(s):  
S. Bertaina ◽  
J. H. Shim ◽  
S. Gambarelli ◽  
B. Z. Malkin ◽  
B. Barbara
Keyword(s):  
Rare Earth ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Spin Orbit ◽  
Axially Symmetric ◽  
Crystal Fields
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