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Poly(4-vinylpyridinium) perchlorate as an efficient solid acid catalyst for the chemoselective preparation of 1,1-diacetates from aldehydes under solvent-free conditions
Poly(4-vinylpyridinium) perchlorate Chemoselective Supported catalyst Acylation Aldehyde
2014/3/8
Poly(4-vinylpyridinium) perchlorate has been used as a supported, recyclable, environmentally-benign catalyst for the formation of acylals from aliphatic and aromatic aldehydes in good to excellent yi...
Synthesis of 2-Amino-4,6-diarylnicotinonitriles Using Silica-Bound N-Propyl Triethylenetetramine Sulfamic Acid as a Recyclable Solid Acid Catalyst（图）
silica-bonded N-propyl triethylenetetramine sulfamic acid 2-amino-4,6-diarylnicotinonitrile pyridine aldehyde solvent-free
2013/10/5
A simple and efficient procedure for the preparation of silica-bound N-propyl triethylenetetramine sulfamic acid (SBPTETSA) by the reaction of silica-bound N-propyl triethylenetetramine (SBPTET) with ...
Silica-Bonded N-Propyl Diethylenetriamine Sulfamic Acid as a Recyclable Solid Acid Catalyst for the Synthesis of α-Aminonitriles（图）
silica-bonded N-propyl diethylenetriamine sulfamic acid α-aminonitrile solid acid aldehyde
2013/10/7
Silica-bonded N-propyl diethylenetriamine sulfamic acid (SBPDSA) is employed as a recyclable catalyst to synthesize α-aminonitriles. These syntheses involved one-pot condensation of an aldehyde, an am...