Regioselective Electrophilic Aromatic Substitution Reactions over Reusable Zeolites

Regioselective Nitration of Deactivated Mono-Substituted Benzenes Using Acyl Nitrates Over Reusable Acidic Zeolite Catalysts

“…It is well recognised that zeolites and other solid catalysts can play an important role in the development of greener organic syntheses through their abilities to act as recyclable heterogeneous catalysts, support reagents, entrain by-products, avoid aqueous work-ups and enhance product selectivities [25][26][27][28][29][30][31][32]. For example, we have shown that zeolites or other solids can have advantages in alkylation [33], acylation [34,35], methanesulfonylation [36], bromination [37] and chlorination [38], as well as nitration [8][9][10][11][12][13] of aromatic compounds.…”

Rearrangement of Epoxides to Allylic Alcohols in the Presence of Reusable Basic Resins

“…The use of solid catalysts can overcome many of the limitations associated with traditional processes [36,37]. For example, we have shown that solid catalysts [38,39] can have advantages in alkylation [40], acylation [41,42], methanesulfonylation [43], bromination [44], chlorination [45] and nitration [46,47] of aromatic compounds under electrophilic conditions. Recently we have also investigated the rearrangement reactions of epoxides over acidic solid catalysts under mild conditions, which produce carbonyl compounds [48].…”

Regioselective dinitration of simple aromatics over zeolite Hβ/nitric acid/acid anhydride systems

“…[5][6][7][8][9][10][11] We have reported the successful use of zeolites in various electrophilic aromatic substitution reactions. [12][13][14] We have shown that the zeolites can be used in greener para-regioselective reactions including nitration, [15][16][17][18][19][20][21] alkylation, 22,23 acylation, 24,25 halogenation 26,27 and methanesulfonylation 28 reactions.…”