... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 38, Issue 34, 25 August 1997, Pages 6091–6094. ... 4 July 1997, Available online 21 April 1998. Abstract. A series of new tetradentate, acyclic ligands incorporating thiophosphinate functionalities has been synthesised with regard to the potential application of their complexes with metal radionuclides for diagnostic imaging. ... References. 1. D. Parker; Imaging and Targeting. ...