Synthesis and characterization of a highly topologically constrained tetraazamacrocyclic ligand

Inorganic Chemistry Communications

Volumn 9, Issue 2, 2006, Pages 180-182

  Watson, Rhett T ^a   Hu, Chuanjiang ^b   VanDerveer, Donald G ^c   Musashe, Derek T ^a   Wagenknecht, Paul S ^a,b  

^a FURMAN UNIVERSITY   (United States)

^b SAN JOSE STATE UNIVERSITY   (United States)

^c CLEMSON UNIVERSITY   (United States)

Author keywords

1,5 Diazacyclooctane; Constrained macrocycle; Daco; Tetraazamacrocycle; Topological constraint

Indexed keywords

EID: 31344472222     PISSN: 13877003     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.inoche.2005.10.026     Document Type: Article

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18. 4: C, 68.52 (68.80); H, 11.50 (11.33); N, 19.83 (19.83). X-ray quality crystals were grown by slow evaporation of ether from an ether/acetonitrile solution in a drybox.
19. 2 = 0.1769.
20. 13C NMR is also consistent with the less likely, static, X-wing conformation. But given that the crystal structure demonstrates the pinwheel conformation, this would also be consistent with conformational flexibility.