A dinuclear tin(II) amide, a meta-stannylaminocyclophane and its orthostannylated derivative, a dimeric trinuclear tin(II) cluster

Article abstract of DOI:10.1002/anie.199702611

A nearly equilateral triangle is formed by the three Sn atoms in 1. This complex is the product of a hitherto unknown 2-stannylation of a 1,3-di-aminobenzene and is thus of general significance in the context of the metalation of arenes. R = SiMe₃.