Noun
bisligand (plural bisligands)
(chemistry) Any bidentate ligand
Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich
The presence of the dihydro-Smith subunit is exploited in the preparation of bisligand systems 61 and 63 by reaction of DAPC 54 with bis-alkene 6 or "U"-shaped 62, respectively.