A new bisthiourea compound, 1,3,1',3'-(dinaphthalene-1,8diyl)bisthiourea, was synthesized. Its structure was characterized by elemental analysis, FT-IR and 1H-, 13C-NMR and MS spectroscopic techniques.

The title compound, C(28)H(28)N(2)O(2), was synthesized by condensation of 1-naphthaldehyde with 1,6-bis-(amino-oxy)hexane in ethanol. The mol-ecule is disposed about a crystallographic centre of symmetry. In the crystal structure, mol-ecules are linked through strong inter-molecular π-π stacking inter-actions [interplana distance = 2.986 (2) Å], forming a three-dimensional network.

4-chloro-3,5-dioxaphosphacyclohepta[2,1-;3,4-']dinaphthalene (binol-pcl) was found to be an efficient, bulky and selective reagent for the transformation of symmetric and asymmetric benzoins to the corresponding benziles at 0 °c to room temperature under nitrogen atmosphere in good yield.

4-Chloro-3,5-dioxaphosphacyclohepta[2,1-;3,4-']dinaphthalene (BINOL-PCl) was found to be an efficient, bulky and selective reagent for the transformation of symmetric and asymmetric benzoins to the corresponding benziles at 0 °C to room temperature under nitrogen atmosphere in good yield.

Lioy PJ, Rappaport SM. 2011. Exposure science and the exposome: an opportunity for coherence in the environ mental health sciences [Editorial]. Environ Health Perspect 119:A466–A467. Vineis P, Khan AE, Vlaanderen J, Vermeulen R. 2009. The impact of new research technologies on our understanding of environmental causes of disease: the concept of clinical vulnerability. Environmental Health 8:54;...