Table 1 Previous reports on the use of NH3 aq. in the synthesis of metal-NHC complexes

From: Ammonia as a weak base for continuous-flow synthesis of Au, Pd, and Cu-NHC heteroleptic chloro complexes

Element

Reference

Remarks

Cu

Cisnetti (2013) [15]

Batch, [Cu(NHC)2](Y) & [Cu(NHC)X]

Ag

Cisnetti (2017) [16]

Batch, [Ag(NHC)2](Y) & [Ag(NHC)X]

Au

Nolan (2025) [14]

Batch, [Au(NHC)Cl] & their functionalization

Pd

Nolan (2025) [17][18]

Batch, [Pd(NHC)(η3-R-allyl)Cl] (R-allyl = allyl, cinnamyl, methylnaphthyl)