Synfacts 2011(7): 0732-0732  
DOI: 10.1055/s-0030-1260616
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

An Anion-Dependent Switch

Contributor(s): Timothy M. Swager, Jan M. Schnorr
I. M. Jones, A. D. Hamilton*
University of Oxford, UK and Yale University, New Haven, USA
Further Information

Publication History

Publication Date:
17 June 2011 (online)

Significance

The authors present the synthesis of diphenylacetylene-based switches (6, 7). While the carbonyl group of the benzodioxinone moiety initially interacts with the urea group, a conformational change is observed when the compound is exposed to chloride ions (yielding 6b and 7b).