Assertion: arsine | /r/ObjectUse | used as ligand
Facets:
value: rarely
type: DEGREE
Source sentences:
text: proposed.21 Primary (AsRH 2 ) and secondary (AsR 2 H) arsines have rarely been used as ligands, but can be made by reduction of the corresponding haloarsines, e.g., the preparation of Me 3 SiCH 2 AsH 2 and (Me 3 SiCH 2 ) 2 AsH,22 of arsonic or arsinic acids, e.g., AsMe 2 H,23 and AsBuH 2 ,24 or by hydrolysis of metal organoarsenides, e.g., AsPh 2