Zobrazeno 1 - 10 of 25 pro vyhledávání: '"Laxmikant D. Chavan"'
1
Akademický článek
Envirocat EPZG Mediated Synthesis of 3,4-Dihydropyrano[c]chromene Derivatives Under Microwave Irradiation in Solvent-free Conditions
Autor: Surekha Narayanrao Deshmukh, Laxmikant D. Chavan, Murlidhar S. Shingare S. Shingare
Publikováno v: Orbital: The Electronic Journal of Chemistry, Vol 13, Iss 1, Pp 28-32 (2021)
A Envirocat EPZG mediated method is developed for the synthesis of 3,4‐dihydropyrano[c]chromene derivatives under microwave irradiation by three component cyclocondensation of 4‐hydroxycoumarin, malononitrile and aromatic aldehydes. The process h
Externí odkaz: https://doaj.org/article/0ad5a32da9cc42ed9599ebf6295aa3dd
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2
Akademický článek
Montmorillonite K-10 Supported 11-molybdo-1-vanadophosphoric Acid (H4PMo11V1O40/K-10) Catalysts for Environmentally Benign Synthesis of 2H-indazolo[2,1-b]phthalazine-triones Under Solvent-free Condition
Autor: Laxmikant D. Chavan, Bhagwat B. Nagolkar, Trimbak K. Chondhekar, Sunil G. Shankarwar
Publikováno v: Orbital: The Electronic Journal of Chemistry, Vol 9, Iss 4, Pp 210-218 (2017)
A series of 11-molybdo-1-vanadophosphoric acid supported on montmorillonite K-10 catalysts were prepared and characterized by FT-IR spectroscopy, thermal analysis, XRD, BET and SEM analysis techniques. Characterization data reveals the chemical immob
Externí odkaz: https://doaj.org/article/f67b74d961be461cacecc7171906caa9
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3
Akademický článek
A Simple and Green Protocol for the Synthesis of 3,4-dihydropyrimidin-2(1H)-ones Using 11-Molybdo-1-vanado phosphoric Acid as a Catalyst Under Ultrasound Irradiation
Autor: Laxmikant D. Chavan, Surekha N. Deshmukh, Sunil G. Shankarwar
Publikováno v: Orbital: The Electronic Journal of Chemistry, Vol 11, Iss 5 (2019)
A one-pot three-component reaction of ethyl acetoacetate, aldehydes and urea has efficiently been carried out in the presence of 11-molybdo-1-vanadophosphoric acid in ethanol at room temperature under ultrasound irradiation to form the corresponding
Externí odkaz: https://doaj.org/article/9b7570f966ec4af9b1358d859208969c
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4
H3PMo7W5O40·24H2O catalyzed access to fused pyrazolopyranopyrimidine derivatives via one-pot multicomponent synthesis: green chemistry
Autor: Kiran R. Khillare, Laxmikant D. Chavan, Dipak S. Aher, Sunil G. Shankarwar
Publikováno v: Monatshefte für Chemie - Chemical Monthly. 153:79-85
An economic, sustainable, and straightforward environmentally friendly route for synthesis of 3-methyl-4-aryl-1,4-dihydropyrazolo[4ʹ,3ʹ:5,6]pyrano[2,3-d]pyrimidine-5,7(6H,8H)-diones via condensation of ethyl acetoacetate, hydrazine hydrate, barbitu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::65c3867eb4ab32a211c0bb7f3346d9a9
https://doi.org/10.1007/s00706-021-02868-7
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5
Cesium salt of 2-molybdo-10-tungstophosphoric acid as an efficient and reusable catalyst for the synthesis of uracil derivatives via a green route
Autor: Laxmikant D. Chavan, Dipak S. Aher, Kiran R. Khillare, Sunil G. Shankarwar
Publikováno v: RSC Advances. 11:33980-33989
A solid catalyst, cesium salt of 2-molybdo-10-tungstophosphoric acid (Cs2.3H0.7PW10Mo2O40) named as Cs-3, was synthesized by a simple, cheap, clean, and eco-friendly method. The physicochemical properties of the synthesized catalyst were studied via
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13eba1f17d136942f4561907731ae767
https://doi.org/10.1039/d1ra05190c
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6
Tungsten-substituted molybdophosphoric acid impregnated with kaolin: effective catalysts for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones via biginelli reaction
Autor: Kiran R. Khillare, Dipak S. Aher, Sunil G. Shankarwar, Laxmikant D. Chavan
Publikováno v: RSC Advances. 11:2783-2792
A series of highly reusable heterogeneous catalysts (10–25 wt% PMo7W5/kaolin), consisting of tungsten-substituted molybdophosphoric acid, H3PMo7W5O40·24H2O (PMo7W5) impregnated with acid treated kaolin clay was synthesized by the wetness impregnat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b73a6c5b31c2eb206675ae633a6e64f8
https://doi.org/10.1039/d0ra09811f
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8
A simple and efficient protocol for the synthesis of quinoxaline derivatives using recyclable H5PW6Mo4V2O40·14H2O catalyst
Autor: Dipak S. Aher, Kiran R. Khillare, Laxmikant D. Chavan, Vinod A. Shelke, Sunil G. Shankarwar
Vanadium substituted Molybdotungstophosphoric acid (H5PW6Mo4V2O40·14H2O) was observed to be an effective solid catalyst for one-pot synthesis of several quinoxaline derivatives from the condensation reaction between various substituted o-phenylenedi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bc23d67330014c1258d8d015b7d803e
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10
Envirocat EPZG Mediated Synthesis of 3,4-Dihydropyrano[c]chromene Derivatives Under Microwave Irradiation in Solvent-free Conditions
Autor: Murlidhar S. Shingare, Surekha N. Deshmukh, Laxmikant D. Chavan
Publikováno v: Orbital: The Electronic Journal of Chemistry, Vol 13, Iss 1, Pp 28-32 (2021)
A Envirocat EPZG mediated method is developed for the synthesis of 3,4‐dihydropyrano[c]chromene derivatives under microwave irradiation by three component cyclocondensation of 4‐hydroxycoumarin, malononitrile and aromatic aldehydes. The process h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b0686707629ed009ce0cd35bbf49067
https://doi.org/10.17807/orbital.v13i1.1517
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