Ligands derived from C-aryl substituted derivatives of cyclen: formation of kinetically unstable complexes with lanthanide(III) ions

1998 ◽  
Vol 22 (12) ◽  
pp. 1359-1364 ◽  
Author(s):  
Christopher D. Edlin ◽  
Stephen Faulkner ◽  
David Parker ◽  
Matthew P. Wilkinson ◽  
Mark Woods ◽  
...  
Author(s):  
David A. Bardwell ◽  
Alexander M. W. Cargill Thompson ◽  
John C. Jeffery ◽  
Elizabeth E. M. Tilley ◽  
Michael D. Ward

1986 ◽  
Vol 64 (2) ◽  
pp. 246-249 ◽  
Author(s):  
Tony Durst ◽  
James L. Charlton ◽  
David B. Mount

4,5-Benzo-3,6-dihydro-1,2-oxathiin-2-oxides (benz-fused δ-sultines) 1, were prepared by reaction of 1-hydroxy-1,3-dihydrobenzo[c]thiophen-2,2-dioxides 6 with NaBH4. Derivatives of 1 bearing alkyl substituents at position 6 are accessible from 1 upon reaction of 6 with 2RLi. 3-Aryl substituted derivatives were prepared by converting 2-benzylbenzylalcohols into their O, C dianion followed by quenching with SO2 and acidification. Benz-fused δ-sultines such as 15–17 were also prepared via the dianion route.


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