Chiral crown ether pillared lamellar lanthanide phosphonates

Journal of the American Chemical Society

Volumn 124, Issue 48, 2002, Pages 14298-14299

  Ngo, Helen L ^a   Lin, Wenbin ^a  

^a UNIVERSITY OF NORTH CAROLINA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CROWN ETHER; LANTHANIDE; PHOSPHONIC ACID DERIVATIVE;

ARTICLE; CHIRALITY; CRYSTALLIZATION; CYCLIZATION; REACTION ANALYSIS; SYNTHESIS; THERMOGRAVIMETRY; X RAY DIFFRACTION;

EID: 0037021534     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja027892i     Document Type: Article

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24. 2 intercalated with chiral cyclophanes, see: Garcia, M. E.; Naffin, J. L.; Deng, N.; Mallouk, T. E. Chem. Mater. 1995, 7, 1968
25. 6. 1b: C, 43.4(41.0); H. 5.31(4.16); N, 0(0.27); Cl, 3.92(3.77%). The samples are consistently low in C and H content.
26. 3. Least-squares refinement based on 6024 reflections with I > 2σ and 531 parameters led to convergence, with a final value of R1 = 0.084 and wR2 = 0.208. Flack parameter = 0.06(4).
27. Microanalysis results indicated the absence of Cl in the evacuated solids of 1a and 1b and thus unambiguously demonstrated the presence of HCl as the guest molecules.