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Pandey, Arvind, Mishra, Kuldeep, Shrivastava, Subhash, Shukla, Poonam, Tripathi, Ashutosh. (1402). One-pot, Multi-component Synthesis of Dihydropyrano(2,3-c)pyrazoles Catalysed by Preheated Fly-Ash in Aqueous Medium. , 34(2), 129-136. doi: 10.22059/jsciences.2023.346491.1007744
Arvind Kumar Pandey; Kuldeep Mishra; Subhash Chandra Shrivastava; Poonam Shukla; Ashutosh Tripathi. "One-pot, Multi-component Synthesis of Dihydropyrano(2,3-c)pyrazoles Catalysed by Preheated Fly-Ash in Aqueous Medium". , 34, 2, 1402, 129-136. doi: 10.22059/jsciences.2023.346491.1007744
Pandey, Arvind, Mishra, Kuldeep, Shrivastava, Subhash, Shukla, Poonam, Tripathi, Ashutosh. (1402). 'One-pot, Multi-component Synthesis of Dihydropyrano(2,3-c)pyrazoles Catalysed by Preheated Fly-Ash in Aqueous Medium', , 34(2), pp. 129-136. doi: 10.22059/jsciences.2023.346491.1007744
Pandey, Arvind, Mishra, Kuldeep, Shrivastava, Subhash, Shukla, Poonam, Tripathi, Ashutosh. One-pot, Multi-component Synthesis of Dihydropyrano(2,3-c)pyrazoles Catalysed by Preheated Fly-Ash in Aqueous Medium. , 1402; 34(2): 129-136. doi: 10.22059/jsciences.2023.346491.1007744

One-pot, Multi-component Synthesis of Dihydropyrano(2,3-c)pyrazoles Catalysed by Preheated Fly-Ash in Aqueous Medium

Journal of Sciences, Islamic Republic of Iran
دوره 34، شماره 2، شهریور 2023، صفحه 129-136    اصل مقاله (513.97 K)
نوع مقاله: Original Paper
شناسه دیجیتال (DOI): 10.22059/jsciences.2023.346491.1007744
نویسندگان
Arvind Kumar Pandey1؛ Kuldeep Mishra2؛ Subhash Chandra Shrivastava* 1؛ Poonam Shukla1؛ Ashutosh Tripathi3
11 Department of Chemistry, University of Allahabad, Prayagraj, UP-211002, India
22 Department of Chemistry, CMP Degree College, Prayagraj (A constituent PG college of Unversity of Allahabad, Prayagraj) UP-211002, India
33 K.S. Saket P.G. College, A Government-Aided PG college of DR RML Avadh University, Ayodhya, UP-224123, India
چکیده
A facile one-pot multicomponent protocol for the synthesis of bio-active dihydropyrano(2,3-c)pyrazole derivatives from ethyl acetoacetate, hydrazine hydrate, malononitrile and aryl aldehydes using preheated-fly-ash as catalyst for the first time.These environmentally begin multicomponent cyclocondensations offer some interesting advantages, advantages of this methodology are the use of nontoxic solvent, cost-effective and easy availability of catalyst, ease of the work-up, high yields (up to 95%), and green protocol.
کلیدواژه‌ها
Pyrazole؛ Green Protocol؛ Multi Component؛ Preheated Fly-Ash؛ Antimicrobial؛ Model Reaction
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