1,3,5-Triamino-1,3,5-trideoxy-cis-inositol, a ligand with a remarkable versatility for metal ions. 5. Complex formation with magnesium(II), calcium(II), strontium(II), barium(II), and cadmium(II)

Solid compounds containing the complexes [Cd(taci) 2 ] 2+ , [Mg(taci) 2 ] 2+ , [Ca(taci) 2 (H 2 O) 2 ] 2+ , [Sr(taci) 2 (H 2 O) 3 ] 2+ , and [Ba(taci) 2 (H 2 O) 3 ] 2+ (taci= 1,3,5-triamino-1,3,5-trideoxy-cis-inositol) have been prepared by combining aqueous solutions of taci and of corresponding MX 2 salts (X=NO 3 , Br, ClO 4 )