Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/3923
Title: Epoxidation studies of 2-styrylchromones using Jacobsen’s catalyst and hydrogen peroxide and iodosylbenzene as oxidants
Authors: Santos, Clementina M.M.
Silva, Artur
Cavaleiro, José
Patonay, Támas
Lévai, Albert
Keywords: 2-Styrylchromones
Jacobsen catalyst
Epoxidation
Iodosylbenzene
Hydrogen peroxide
Issue Date: 2006
Publisher: Wiley
Citation: Santos, Clementina; Silva, Artur; Cavaleiro, José; Patonay, Támas; Lévai, Albert (2006) - Epoxidation studies of 2-styrylchromones using Jacobsen’s catalyst and hydrogen peroxide and iodosylbenzene as oxidants. Journal of Heterocyclic Chemistry. ISSN 0022-152X. 43:5, p. 1319-1326
Abstract: The epoxidation of 2-styrylchromones 2a-h using Jacobsen’s Mn(III)[salen] complex 1 as catalyst is reported for the first time. Several studies were performed using both hydrogen peroxide and iodosylbenzene as oxidants, in order to obtain the α,β-epoxy-2-styrylchromones 3a-h regioselectively. Due to the low reactivity of the substrates and the highly unstable character of the formed epoxides, reactions should be interrupted at lower conversions to obtain acceptable yields, especially when hydrogen peroxide is used.
Description: http://apps.isiknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=4&SID=S2NjaL1GBbk143plPl1&page=1&doc=7&colname=WOS
Peer review: yes
URI: http://hdl.handle.net/10198/3923
Appears in Collections:PTV - Artigos em Revistas Indexados ao ISI/Scopus

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