1997
DOI: 10.1016/s0040-4039(97)01030-7
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2,6-Bis[(2S)-tetrahydrofuran-2-yl]phenyl diselenide: An effective reagent for asymmetric electrophilic addition reactions to olefins

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Cited by 67 publications
(28 citation statements)
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“…Wirth (1995) [37] 28 Déziel (1997) [39] 27 Back (1996) [38] 29 [40] Fe Scheme 9. Chiral selenium electrophiles.…”
mentioning
confidence: 99%
See 1 more Smart Citation
“…Wirth (1995) [37] 28 Déziel (1997) [39] 27 Back (1996) [38] 29 [40] Fe Scheme 9. Chiral selenium electrophiles.…”
mentioning
confidence: 99%
“…Some selected examples are shown in Scheme 14. The unsaturated carboxylic acid 41 has been used as a substrate for stereoselective selenolactonizations to give 42, for which the selenium electrophiles 23 [35b] and 28[39] were found to be quite efficient. Substituted tetrahydrofuran derivatives like 44 can be synthesized from the corresponding unsaturated alcohols…”
mentioning
confidence: 99%
“…[24] Die beobachteten Trends können jedoch leider nicht verallgemeinert werden. [33] 22 Déziel (1993) [34] 23 [35] 24 [36] 25 26 [37] 28 Déziel (1997) [39] 27 Back (1996) [38] 29 [40] Fe Schema 9. Chirale Selen-Elektrophile.…”
Section: Elektrophile Reagentienunclassified
“…Die Gröûe des elektrophilen Reagens hat einen starken Einfluss auf das Diastereomerenverhältnis von 39 zu 40, das von 4:1 [46] bis zu > 49:1 variiert (Schema 13). [ [33d] 21 [b] Br [39] als besonders effizient erwiesen haben. Substituierte Tetrahydrofuran-Derivate wie 44 können aus den entsprechenden ungesättigten Alkoholen 43 synthetisiert werden, bei aliphatischen Alkenen führen nur wenige Selen-Elektrophile, beispielsweise 24, zu hohen Selektivitäten.…”
Section: Elektrophile Reagentienunclassified
“…Several enantiomerically pure diselenides have been employed as precursor to promote the cyclization of alkenes containing internal nucleophiles. [4][5][6][7][8][9][10][11][12][13] Satisfactory diastereoselectivities were observed in most cases. Recently, two new enantiomerically pure diselenides, the di-2-[(1S)-1-(methylthio)ethyl]phenyl diselenide and the di-2-methoxy-6-[(1S)-1-methylthio)ethyl]phenyl diselenide, have been prepared.…”
Section: Introductionmentioning
confidence: 99%