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Formation and Application of Hypervalent Organic Selenium Compounds
Başlık:
Formation and Application of Hypervalent Organic Selenium Compounds
Yazar:
Yeruva, Bala Madhuri, author.
ISBN:
9780438080485
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (46 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Jin Jin Committee members: Brian J. Bellott; Matte soendergaard.
Özet:
Alkynyl chalcogenides are very important building blocks for many chemical transformations and are important intermediates in many organic syntheses. These compounds have been used as precursors in many reactions such as hydrosulfonation, hydrostannylation, and hydroboration reactions. They have also been utilized in supramolecular chemistry and materials science.
This research mainly focused on the synthesis of alkynyl selenides by simple methods using reagents like n-butyl lithium, selenium powder, and an alkyl halide. The synthesized products were further studied by treatment with some oxidizing reagents. We found a highly pi-conjugated system was formed after oxidation of the alkynyl selenides with a single electron-oxidizing reagent NOPF6, while a Se-Se dication product was formed when Tf 2O/DMSO was used as oxidizing agents. The highly pi-conjugated products have the potential applications in organic electronics such as organic conductive materials, organic solar cells, organic field-effect transistors, etc. All the products were characterized by 1H NMR and 13C NMR spectroscopy. Their chemical properties were further investigated by treatment with some reagents such as nucleophilic reagent KOH and thiol compound PhCH 2SH. The study showed that the Se-Se dication product is a good oxidizing reagent, which is able to oxidize thiol to disulfide compounds.
Notlar:
School code: 6012
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(689915.1) | 689915-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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