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1988
DOI: 10.1002/ardp.19883210714
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Enaminodiesters and Monoesters with a Semicyclic CC‐Bond of the Pyrrolidine and Imidazolidine Series

Abstract: Enaminoester sind wichtige Edukte fur den Aufbau bicyclischer N-Heterocyclenl) und von Alkaloiden, z. B. Saxitoxinz) und Lupinin3). Im Rahmen unserer Untersuchungen zur Synthese GABA-analoger Substanzen durch Ringtransformation von Pyrrolidin-bzw. Imidazolidin-Enamino-nen4. 5 ) sind auch Enaminoester dieser Heterocyclen von Interesse: von 3 mit K-tert.-butylat/Dimethylsulfat*) Konfigurationsumkehr zum E-7 (Shiftdifferenz der C-2/C-3-Protonen 0.27 ppm).Die beschriebenen 0bzw. C-Selektivitat der Acylierung mit C… Show more

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Cited by 5 publications
(1 citation statement)
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“…A series of ketene aminals have been synthesised by acylation of derivatives of 2-methylimidazoline, 101 2-alkylbenzoimidazoles 102 ± 104 and 2-methyltetrahydropyrimidines. 105 Examples of such syntheses based on 2-alkylbenzoimidazoles are shown in the scheme below.…”
Section: Synthesis Based On Various S- N-and C-cyano Derivativesmentioning
confidence: 99%
“…A series of ketene aminals have been synthesised by acylation of derivatives of 2-methylimidazoline, 101 2-alkylbenzoimidazoles 102 ± 104 and 2-methyltetrahydropyrimidines. 105 Examples of such syntheses based on 2-alkylbenzoimidazoles are shown in the scheme below.…”
Section: Synthesis Based On Various S- N-and C-cyano Derivativesmentioning
confidence: 99%