Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Hiya Talukdar"'
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A chitosan supported peroxidovanadium(V) complex: Synthesis, characterization and application as an eco-compatible heterogeneous catalyst for selective sulfoxidation in water
Autor: Hiya Talukdar, Mitu Sharma, Gangutri Saikia, Sandhya Rani Gogoi, Nashreen S. Islam, Kabirun Ahmed
Publikováno v: Polyhedron. 159:192-205
Anchoring of peroxidovanadium(V) (pV) species to chitosan, a natural chelating polymer, afforded a new and structurally defined immobilized complex, VO(O2)2(NH2)-chitosan (ChpV) which was comprehensively characterized by elemental analysis (CHN, ICP-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::395b75cf5899b05c43fc7c15ca36b689
https://doi.org/10.1016/j.poly.2018.11.028
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3
Polymer immobilized tantalum(v)–amino acid complexes as selective and recyclable heterogeneous catalysts for oxidation of olefins and sulfides with aqueous H2O2
Autor: Nashreen S. Islam, Gangutri Saikia, Chandrasee Rajkhowa, Hiya Talukdar, Mitu Sharma, Kabirun Ahmed
Publikováno v: New Journal of Chemistry. 43:17251-17266
Polymer supported heterogeneous peroxotantalum(V) catalysts were prepared by anchoring Ta(V)-diperoxo species to chloromethylated poly(styrene–divinylbenzene) resin functionalized with amino acids asparagine (L-Asn) and arginine (L-Arg). The struct
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1556d55ff3da58d99d8e6a9617fdb2a9
https://doi.org/10.1039/c9nj04180j
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7
A sustainable approach towards solventless organic oxidations catalyzed by polymer immobilized Nb(V)-peroxido compounds with H2O2 as oxidant
Autor: Sandhya Rani Gogoi, Nashreen S. Islam, Gangutri Saikia, Sazida Yasmin Sultana, Hiya Talukdar, Kabirun Ahmed
Publikováno v: Molecular Catalysis. 516:111988
New heterogeneous catalysts comprising of peroxidoniobium(V) complexes immobilized on amino acid grafted cross-linked poly(styrene-divinylbenzene) resin has been developed. Results of FTIR, Raman, NMR, XPS, XRD, EDX, SEM, BET, TGA, and elemental anal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f4ed4e949301ddd7832453e8cf374ed
https://doi.org/10.1016/j.mcat.2021.111988
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8
Peroxo complexes of niobium(V) as potent inhibitors of acid phosphatase and calcineurin enzyme activities
Autor: Sandhya Rani Gogoi, Hiya Talukdar, Nashreen S. Islam
Department of Chemical Sciences, Tezpur University, Napaam, Tezpur-784 028, Assam, India E-mail: nsi@tezu.ernet.in, nashreen.islam@rediffmail.com Manuscript received online 03 October 2019, accepted 10 October 2019 Our recent achievements concerning
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c77c95ca293fe0db5e4960a4e45af9a
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9
Water-soluble polymer anchored peroxotitanates as environmentally clean and recyclable catalysts for mild and selective oxidation of sulfides with H2O2 in water
Autor: Satyajit Dey Baruah, Mitu Sharma, Sivangi Paul, Kabirun Ahmed, Gangutri Saikia, Nashreen S. Islam, Hiya Talukdar
Publikováno v: Tetrahedron. 75:130605
Anchoring of peroxotitanium (pTi) species to linear water-soluble acrylic acid based polymers, poly(sodium acrylate) (PA) and poly(sodium methacrylate) (PMA) led to the successful synthesis of a pair of new, water-tolerant and recyclable catalysts of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cca644cce99dca901edb0e15dd06063
https://doi.org/10.1016/j.tet.2019.130605
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