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Vijay N. Bhosale

Vijay N. Bhosale
Yeshwant Mahavidyalaya Nanded, Maharashtra , India. · P.G.Research Centre Chemistry

M.Sc., Ph.D.M.Sc.Subject Communication

About

32
Publications
3,978
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62
Citations
Citations since 2016
21 Research Items
36 Citations
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468
Additional affiliations
June 2003 - present
Yeshwant Mahavidyalaya Nanded
Position
  • Professor (Assistant)

Publications

Publications (32)
Article
Full-text available
Thiadiazolo [2,3-b] quinazolinone derivatives are significantly synthesized by one-pot manner. Herein, we describe a three-component reaction system of 5-aryl-1,3,4-thiadiazolo-2amine, dimedone moiety and substituted aromatic aldehyde with a massive addition of molecular iodine. Interestingly, in present work, we focused on more efficient and conve...
Article
Full-text available
A green, efficient and simple procedure has been developed for the synthesis of Pyrano [2,3-c] Pyrazoles from a one pot four component condensation of Ethylacetoacetate, Malononitrile, Hydrazine hydrate and different substituted aromatic Aldehydes using 1,8-diazabicyclo [5.4.0] undec-7-ene (DBU) as catalyst in ethanol-water. The synthesized Pyrano...
Article
Full-text available
The reaction of 2-[bis(methylsulfanyl)methylidene]malononitrile with 1H-1,2,4-triazol-3-amine in N,N-dimethylformamide in the presence of anhydrous potassium carbonate led to the formation of 7 -imino-5- (methylsulfanyl)-1,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile. The latter was then reacted with some nitrogen and carbon nucleophile...
Article
Full-text available
One Pot four Component MCR Synthesis of Novel Pyrazolo Pyranopyrimidine derivatives using DBU in Aquous media. Ashok R.Karad1, Navanand B. Wadwale2, Gopinath S Khansole3, Vijay N. Bhosale2* 1Department of Chemistry, Mahatma Gandhi Mahavidyalaya, Ahmedpur, Latur (MS) India. 2P.G.Research Centre, Department of Chemistry, Yeshwant Mahavidyalaya, Nande...
Article
Full-text available
Multicomponent reactions (MCRs) have been developed in recent years in form of commanding and constructive tools in synthetic organic chemistry and have paid attention because complex molecules and drugs can be prepared from cheap and easily available starting materials. A green, mild, most efficient, eco-friendly, time saving, solvent-free, simple...
Article
Full-text available
2-Amino-5-phenyl-1,3,4-thiadiazole on reaction with ethyl-2-cyano-3,3-bis(methylthio)acrylate in the presence of N,N′-dimethyl formamide and catalytic amount of anhydrous potassium carbonate afforded 7-(methylthio)-5-oxo-2-phenyl-5H-[1,3,4]thiadiazolo[3,2-b]pyrimidine- 6-carbonitrile under similar experimental condition, compounds 7-(methylthio)-5-...
Article
Full-text available
Synthesis of 3-cyano-4-imino-2-methylthio-7-phenyl-4H-pyrimido[2,3-d]-1,3,4-thiadiazole and its 2-substituted derivatives are reported. The newly synthesized compounds were evaluated for their antimicrobial activity (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Salmonella typhi) and antioxidant activity (2,2-diphenylpicrylhydrazy...
Article
Full-text available
A green, mild,most efficient,eco-friendly and simple procedure has been developed for the synthesis of tetrahydro benzo [b] pyran derivatives from one-pot three component cyclocondensation reactions of various aromatic aldehydes,malononitrile and dimedone in aquous ethanol at room temperature by using1,8-diazabicyclo[5.4.0 ]undec-7-ene(DBU)asan eff...
Article
Full-text available
A green, efficient and environmentally benign procedure has been developed for the synthesis of Tetrahydro benzo [b] pyran derivatives from one-pot three component condensation reactions of Aromatic aldehyde, malononitrile and dimedone in tetrabutyl ammonium hydrogen sulphate (TBAHS) and aqueous ethanol.
Article
Full-text available
A efficient, green and environmentally bengin procedure has been developed for the synthesis of Pyrano [2, 3-d] pyrimidine derivatives from one-pot three component condensation reactions of Aromatic aldehyde, malononitrile and barbituric acid in tetrabutyl ammonium hydrogen sulphate (TBAHS) and aqueous ethanol. Among these synthesized compounds sho...
Article
Full-text available
A green, most efficient procedure has been developed for the synthesis of 9-substituted derivatives of 9-(4’-phenyl)-2-phenyl-5,9-dihydro-6Hpyrimido[4,5-d][1,3,4]thiadiazolo[3,2-a] pyrimidine-6,8(7H)-dione from a multicomponent one pot three component condensation of 2-amino-5-phenyl 1,3,4-thiadiazole, barbituric acid was refluxed independently in...
Article
Full-text available
Heterocyclic compounds are the most global moieties in chemical compounds which exhibit wide spectrum of pharmacological activities. Multicomponent reactions are important tool in the hands of organic chemist’s,researcher. Since they offer improved atom economy for construction of complex molecules over the stepwise liner convergent synthesis. A si...
Article
Full-text available
A green, efficient and simple procedure has been developed for the synthesis of Pyrano [2,3-c] Pyrazoles from a one pot four component condensation of ethylacetoacetate, malononitrile, hydrazine hydrate and different substituted aromatic aldehydes using Tetrabutyl ammonium hydrogen sulphate (TBAHS) as green catalyst in ethanol-water. The synthesize...
Article
A green, simple and efficient procedure has been developed for the synthesis of 9-substituted derivatives of 6,7-dihydro-6,6-dimethyl-9-(4'-phenyl) tetrazolo [5,1-b] quinazolin-8(3H,5H,9H)-one via a multicomponent one pot three molecule condensation of 1H-tetrazol-5-amine, dimedone in acetonitrile and iodine with different substituted aromatic alde...
Article
Full-text available
A green, efficient procedure has been developed for the synthesis of 9-substituted derivatives of 9-phenyl-5,9-dihydropyrimido[4,5-d] [1,2,4] triazolo[1,5-a] pyrimidine-6,8(1H,7H)-dione from a multicomponent one pot three molecule condensation of 3-amino-1H-1,2-4-triazole, Barbituric acid and tetrabutyl ammonium hydrogen sulphate (TBAHS) in water-e...
Article
Full-text available
A green, simple and efficient procedure has been developed for the synthesis of 9-substituted derivatives of 6,7-dihydro-6,6-dimethyl-9- (4'-phenyl) tetrazolo [5,1-b] quinazolin-8(3H,5H,9H)-one via a multicomponent one pot three molecule condensation of 1H-tetrazol- 5-amine, dimedone in acetonitrile and iodine with different substituted aromatic al...
Article
An environmentally benign tandem Knowvengel-Michael reaction of ethylacetoacetae, hydrazine hydrate,malononitrile and substituted aromatic aldehyde for the synthesis of 6-amino-1,4-dihydro-3-methyl-1,4-phenyl Pyrano [2,3-c] Pyrazoles .
Article
Full-text available
A clean and simple synthesis of 6-amino-4-aryl-3-methyl-1-phenyl-1,4-dihydropyrano[2,3‑c]pyrazole-5- carbonitriles was accomplished in good to excellent yields via the one-pot three component condensation of 3-methyl-1-phenyl- 2-pyrazolin-5-one, an aromatic aldehyde, and malononitrile catalysed by Cesium Fluoride inethanol.
Article
Full-text available
A green, simple, efficient, and cost-effective procedure has been developed for the synthesis of dihydropyrimidinones by a solvent-free and catalyst-free Biginelli's condensation of 1,3-dicarbonyl compound, aldehyde, and urea. This approach of direct reaction in neat without solvent and catalyst shows a new direction in green synthesis. In a typica...
Article
Aim Novel heterocycle 3-cyano 6,9-dimethyl 4-imino 2-methylthio 4H pyrimido [2,1-b] [1,3] benzothiazole 3 has been prepared by using 2-amino 4,7-dimethtyl benzothiazole 1 and bis-methylthio methylene malononitrile 2. Method Compound 3 prepared from 2-amino 4,7-dimethyl benzothiazole 1 was refluxed with bis-methylthio methylene malononitrile 2 in p...
Article
2-Amino-6-methoxybenzothiazole 1 on reaction with bis(methylthio) methylene malononitrile 2 in the presence of dimethyl formamide and catalytic amount of anhydrous potassium carbonate afforded 3-cyano-4-imino-8-methoxy-4H-pyrimido[2,1-b][1,3]benzothiazole 3. Under similar experimental conditions, compound 3 on treatment independently with arylamine...
Article
3-Amino-8-methyl pyrimido [4, 5-b] quinoline (1) in N, N-dimethyl formamide (DMF) and anhydrous potassium carbonate reacted with ethyl-2-cyano-3, 3-bismethyl thioacrylate 2 to afford novel heterocyclic compound 3-cyano-9-methyl-2-methylthio-4-oxo-4H-pyrimido [4, 5-b] quinoline 3. The latter were further reacted with selected N-, O- and C- nucleophi...
Article
2-Amino benzothiazole (1) and 2-amino-6-methyl benzothiazole (4) in N, N′-dimethyl formamide (DMF) and anhydrous potassium carbonate reacted with bis(methylthio)methylene malononitrile (2) to afford 3-cyano-4-imino-2- methylthio-4H-pyrimido [2,1-b] [1,3] benzothiazole (3) and 3-cyano-4-imino-2- methylthio-8-methyl-4H-pyrimido [2,1-b] [1,3] benzothi...
Article
3,8-Dichloro-4H-[1,2,4]triazino[3,4-b][1,3]benzothiazole-4-one on reaction independently with sodium hydroxide solution and sodium azide undergo novel ring contraction reactions to give 7-chloro[1,2,4]triazolo[3,4-b][1,3]benzothiazole and 8-chloro tetrazolo[1`,5`:1,5][1,2,4]triazolo[3,4-b][1,3]benzothiazole respectively.

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