Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines
3 pages, 1 table, 2 schemes.
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| Language: | English |
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Royal Society of Chemistry (UK)
1989
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| Online Access: | http://hdl.handle.net/10261/16409 http://dx.doi.org/10.13039/501100008737 |
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dig-ipna-es-10261-164092019-11-12T08:49:46Z Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines Freire, Raimundo León, Elisa I. Salazar, José A. Suárez, Ernesto Dirección General de Investigación Científica y Técnica, DGICT (España) Ministerio de Educación y Ciencia (España) 3 pages, 1 table, 2 schemes. Imidazolines are prepared by treatment of allylic O-methyl isoureas with phenylseleneyl chloride in the presence of silica gel; when the organoselenium-mediated cyclisation is performed with phenylselenenyl trifluoromethanesulphonate and trifluoromethanesulphonic acid 5,6-dihydro-1,3-oxazines are obtained. This work was supported by the Investigation Programme No. PB0406 of the Dirección General de Investigación Científica y Técnica. E.I.L. thanks the Ministerio de Educación y Ciencia for a fellowship. 2009-08-31T07:51:51Z 2009-08-31T07:51:51Z 1989 artículo http://purl.org/coar/resource_type/c_6501 Chemical Communications 1989(8): 452-454 (1989) 1359-7345 http://hdl.handle.net/10261/16409 10.1039/C39890000452 http://dx.doi.org/10.13039/501100008737 en http://dx.doi.org/10.1039/C39890000452 none 2373 bytes 234701 bytes text/plain application/pdf Royal Society of Chemistry (UK) |
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| language |
English |
| description |
3 pages, 1 table, 2 schemes. |
| author2 |
Dirección General de Investigación Científica y Técnica, DGICT (España) |
| author_facet |
Dirección General de Investigación Científica y Técnica, DGICT (España) Freire, Raimundo León, Elisa I. Salazar, José A. Suárez, Ernesto |
| format |
artículo |
| author |
Freire, Raimundo León, Elisa I. Salazar, José A. Suárez, Ernesto |
| spellingShingle |
Freire, Raimundo León, Elisa I. Salazar, José A. Suárez, Ernesto Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| author_sort |
Freire, Raimundo |
| title |
Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| title_short |
Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| title_full |
Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| title_fullStr |
Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| title_full_unstemmed |
Selenium-induced cyclofunctionalisation of allylic O-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| title_sort |
selenium-induced cyclofunctionalisation of allylic o-methyl isoureas: synthesis of imidazolines (4,5-dihydroimidazoles) and 5,6-dihydro-1,3-oxazines |
| publisher |
Royal Society of Chemistry (UK) |
| publishDate |
1989 |
| url |
http://hdl.handle.net/10261/16409 http://dx.doi.org/10.13039/501100008737 |
| work_keys_str_mv |
AT freireraimundo seleniuminducedcyclofunctionalisationofallylicomethylisoureassynthesisofimidazolines45dihydroimidazolesand56dihydro13oxazines AT leonelisai seleniuminducedcyclofunctionalisationofallylicomethylisoureassynthesisofimidazolines45dihydroimidazolesand56dihydro13oxazines AT salazarjosea seleniuminducedcyclofunctionalisationofallylicomethylisoureassynthesisofimidazolines45dihydroimidazolesand56dihydro13oxazines AT suarezernesto seleniuminducedcyclofunctionalisationofallylicomethylisoureassynthesisofimidazolines45dihydroimidazolesand56dihydro13oxazines |
| _version_ |
1777669632401866752 |