T. Maaninen et al., Acyclic imidoselenium(II) dihalides: synthesis and X-ray structures of ClSe[N(Bu-t)Se](n)Cl (n=1, 2), CHEM COMMUN, (9), 2000, pp. 759-760
The reaction of SeCl2 with tert-butylamine in THF yields the acyclic imidos
elenium(II) dichlorides ClSeN(Bu-t)NSeCl and ClSeN(Bu-t)SeN(Bu-t)SeCl, in a
ddition to the six-membered ring Se-3(NBut)(3).