2008
DOI: 10.1016/j.tetlet.2008.07.028
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Seebach’s oxazolidinone is a good catalyst for aldol reactions

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Cited by 52 publications
(30 citation statements)
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“…In contrast, putative enamine intermediates were synthesized, isolated, and characterized, [5,[26][27][28] and recently an enamine intermediate was observed in the crystal structure of an aldolase antibody. [29] So far, in situ NMR spectroscopic approaches have only resulted in the detection of the isomeric oxazolidinones, [20,[30][31][32][33][34] supposedly resulting from an "unwanted and rate-diminishing parasitic equilibrium", [20,35] which was believed to be responsible for the inability to observe the enamines. In fact, equilibria involving oxazolidinones have been reported [20,[32][33][34] and their energetic preference has been calculated.…”
mentioning
confidence: 99%
“…In contrast, putative enamine intermediates were synthesized, isolated, and characterized, [5,[26][27][28] and recently an enamine intermediate was observed in the crystal structure of an aldolase antibody. [29] So far, in situ NMR spectroscopic approaches have only resulted in the detection of the isomeric oxazolidinones, [20,[30][31][32][33][34] supposedly resulting from an "unwanted and rate-diminishing parasitic equilibrium", [20,35] which was believed to be responsible for the inability to observe the enamines. In fact, equilibria involving oxazolidinones have been reported [20,[32][33][34] and their energetic preference has been calculated.…”
mentioning
confidence: 99%
“…6 "This was supported by the recent demonstration that such an oxazolidinone (dubbed SolPro) is superior to proline as a catalyst," 7 confirmed Professor Seebach.…”
mentioning
confidence: 92%
“…[29] Mit in-situ-NMR-spektroskopischen Ansätzen gelang bisher nur die Detektion der isomeren Oxazolidinone, [20,[30][31][32][33][34] angeblich wegen eines "ungewollten und verlangsamenden parasitären Gleichgewichts", [20,35] das auch für die fehlende Enamindetektion verantwortlich gemacht wurde. In der Tat wurden Gleichgewichte unter Beteiligung von Oxazolidinonen beschrieben, [20,[32][33][34] und deren energetische Bevorzugung wurde unlängst berechnet.…”
unclassified
“…In der Tat wurden Gleichgewichte unter Beteiligung von Oxazolidinonen beschrieben, [20,[32][33][34] und deren energetische Bevorzugung wurde unlängst berechnet.…”
unclassified
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