Silphox [POCl3−n (SiO2) n ] as a new, efficient and heterogeneous reagent for the preparation of N-sulfonyl imines under solvent-free conditions

• Published in: Journal of sulfur chemistry Vol. 28; no. 4; pp. 357 - 364
• Main Authors: Hasaninejad, A., Zare, A.
• Format: Journal Article
• Language: English
• Published: Taylor & Francis 01.08.2007
• Subjects: Aldehyde; N-sulfonyl imine; Silphox; Solvent-free; Sulfonamides

An efficient, simple and clean solvent-free procedure for the preparation of N-sulfonyl imines is described. The reaction of sulfonamides with different aromatic aldehydes in the presence of silica-phosphinoxide (Silphox) [POCl 3−n (SiO 2 ) n ] as a new and heterogeneous reagent affords the title co...