Montmorillonite clay catalysis. Part 10.1 K-10 and KSF-catalysed acylation of alcohols, phenols, thiols and amines: scope and limitation

Direct Ortho-Acetoxylation of Anilides via Palladium-Catalyzed sp2 C−H Bond Oxidative Activation

“…Compounds 2a , 2d , 2e , 2g , and 2j have been previously reported and their identities were confirmed by the comparison with their reported spectral data.…”

Chemoselective Cleavage of Acylsulfonamides and Sulfonamides by Aluminum Halides

“…From N -phenyl- N -tosylbenzamide ( 19 , 0.353 g, 1 mmol) following general procedure C; off-white solid; yield: 0.173 g (75%); mp 95.5–97.5 °C (lit . 98–100 °C); R f = 0.54 (PE/EtOAc = 3:1).…”

Glycerol-Based Carbon-SO<sub>3</sub>H Catalyzed Benign Synthetic Protocol for the Acetylation of Alcohols, Phenols and Amines under Solvent-Free Conditions

“…4-(Dimethylamino) pyridine (DMAP) is known to cause remarkable rate acceleration in the reaction [19]. A variety of catalysts such as silica gel supported sulphuric acid [20,21], Ammonium acetate in acetic acid [22], Zinc dust [23], ZnCl 2 [24], CoCl 2 [25], Sc(OTf) 3 [26], TaCl 5 [27], Montmorillonit K10 [28], HY Zeolite [29], In(OTf) 3 [30], Cu(OTf) 2 [31], Yittria-Zirconia based Lewis acid [32], InCl 3 /Mont. K 10 [33], Manganese (III) bis(2-hydroxyanil) acetylacetonato complex [34], Silica sulfate [35], p-MeC 6 H 4 SO 2 NBr 2 [36], DBDMH or TCCA [37], [39], Ionic liquid based on morpholin [40], Borated zirconia [41], 2,4,6-Triacyloxy-l,3,5-triazine (TAT) [42], Sodium dodecyl sulfate (SDS) [43] and DMAP.…”