58296-98-3Relevant articles and documents
Hydrazone as the directing group for Ir-catalyzed arene diborylations and sequential functionalizations
Ros, Abel,Lopez-Rodriguez, Rocio,Estepa, Beatriz,Alvarez, Eleuterio,Fernandez, Rosario,Lassaletta, Jose M.
supporting information; experimental part, p. 4573 - 4576 (2012/04/23)
The use of hemilabile pyridine-hydrazone N,N-ligands allows the highly selective Ir-catalyzed ortho,ortho'-directed diborylation of aromatic N,N-dimethylhydrazones in near-quantitative yields. One-pot sequential Suzuki-Miyaura cross-coupling with different aryl bromides provides a short entry to unsymmetrically substituted 2,6-diarylbenzaldehyde derivatives.
COUNTERATTACK REAGENTS: HEXAMETHYLDISILANE AND 1,2-DIMETHYL-1,1,2,2-TETRAPHENYLDISILANE IN THE SYNTHESIS OF POLYSILYLATED HYDRAZINES
Hwu, Jih Ru,Wang, Naelong
, p. 4181 - 4196 (2007/10/02)
Polysilylated hydrazines have wide applicability.It is tedious to prepare these compounds by classic means.However, using hexamethyldisilane and 1,2-dimethyl-1,1,2,2-tetraphenyldisilane as counterattack reagents, we synthesized polysilylated hydrazines under alkaline conditions in good to excellent yields.This one-pot method is expedient and more efficient than other procedures.Polysilylated hydrazines were found to react with aldehydes or ketones in the presence of a catalytic amount of trimethylsilyl trifluoromethanesulfonate to give the corresponding hydrazones under anhydrous conditions.