1-Methylimidazolium ionic liquid supported on Ni@zeolite-Y: fabrication and performance as a novel multi-functional nanocatalyst for one-pot synthesis of 2-aminothiazoles and 2-aryl benzimidazoles

Ca(IO3)2 nanoparticles: fabrication and application as an eco-friendly and recyclable catalyst for the green synthesis of quinoxalines, pyridopyrazines, and 2,3-dicyano pyrazines

“…Nevertheless, several tests showed that the best reaction yield (95%, Table 3 , entry 1) was still obtained by using 3% mol of the nanocatalyst, room temperature, and acetic acid solvent. However, all products ( 3a–q ) are known compounds and their physical and spectroscopic data match those reported in the literature [ 50 – 53 ].…”

“…However, to the best of our knowledge, there have not been reports concerning the synthesis of calcium iodate nanoparticles by chemical precipitation under ultrasonic irradiation and its application as a heterogeneous catalyst in the facile synthesis of organic compounds. Therefore, in continuation of our current work on the synthesis of solid catalysts and their application in the development of novel methods for the formation of important heterocyclic compounds [ 50 – 52 ], we report the preparation of calcium iodate nanoparticles for the first time and their application in an efficient and eco-friendly catalytic method for the synthesis of quinoxalines, pyridopyrazines, and 5,6-dicyano pyrazines through the one-pot condensation of aryl-1,2-diamines or 2,3-diaminomaleonitrile with 1,2-diketone under green conditions.…”

Ca(IO 3 ) 2 nanoparticles: fabrication and application as an eco-friendly and recyclable catalyst for green synthesis of quinoxalines, pyridopyrazines, and 2,3-dicyano pyrazines

“…However, to the best of our knowledge, there haven't been reports concerning the synthesis of calcium iodate nanoparticles by chemical precipitation under ultrasonic irradiation and its application as heterogeneous catalyst in the facile synthesis of organic compounds. Therefore, in continuation of our current work on the synthesis of solid catalysts and their application in the development of novel methods for the formation of important heterocyclic compounds [49][50][51], we report the preparation of calcium iodate nanoparticles for the rst time and their application in an e cient and eco-friendly catalytic method for the synthesis of quinoxalines, pyridopyrazines and 5,6-dicyano pyrazines through the one-pot condensation of aryl-1,2diamines or 2,3-diaminomaleonitrile with 1,2-diketone under green conditions.…”

Design of a new method for one-pot synthesis of 2-amino thiazoles using trichloroisocyanuric acid in the presence of a novel multi-functional and magnetically catalytic nanosystem: Ca/4-MePy-IL@ZY-Fe3O4

“…5,6 Since active methylene ketones can be in situ α-halogenated, modified Hantzsch (one-pot) condensation of active methylene ketones with thioureas has received much attention in order to save time and costs in the synthesis of thiazoles. In this regard, in situ α-halogenation strategies using various halogenating reagents including Br 2 , 7 I 2 , 8–11 NBS, 12,13 1,3-dichloro 5,5-dimethylhydantoin, 14 etc. 15,16 have been developed.…”