1.
Org Lett
; 16(5): 1358-61, 2014 Mar 07.
Artigo
em Inglês
| MEDLINE
| ID: mdl-24571171
RESUMO
Interlocked structures containing the classic Hamilton barbiturate binding motif comprising two 2,6-diamidopyridine units are reported for the first time. Stable [2]-rotaxanes can be accessed either through hydrogen-bonded preorganization by a barbiturate thread followed by a Cu(+)-catalyzed "click" stoppering reaction or by a Cu(2+)-mediated Glaser homocoupling reaction.