BIS(1,3-DIPHENYL-2-IMIDAZOLIDINYLIDENE)

Uses

Bis(1,3-diphenyl-2-imidazolidinylidene) is a electron-rich alkene and used for formylation of arenes

Preparation

Bis(1,3-diphenyl-2-imidazolidinylidene) is prepared from 1,2-dianilinoethane and triethyl orthoformate^[1].

storage

Bis(1,3-diphenyl-2-imidazolidinylidene) can store under dry nitrogen; reagent that has oxidized may be upgraded by washing with CH2Cl2. It readily reacts with protic solvents, e.g. MeOH, and hydrolyzes in the presence of weak acid or basic media.

References

1. Wanzlick, H.-W. OS 1967, 47, 14.