1989
DOI: 10.1002/cber.19891220324
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Aminosäuren, 14. Diastereoselektive Addition von Benzolsulfenylchlorid an 1‐Acryloylprolinester

Abstract: Die 1 -Acryloylprolinester (S)-3 werden durch N-Acylierung der Prolinester (S)-1 mit Acryloylchlorid (2) in guten Ausbeuten hergestellc sie addieren Benzolsulfenylchlorid (6) bei -95 "C in Dichlormethan mit hoher Diastereoselektivitat zu 1-[2-Chlor-3-(phenylthio)propionyl]prolinestern (2S,2'R/2S,2'S)-7, die mittels MPLC getrennt werden. Die Diastereoselektivitiit der Addition hangt vom Konformerenverhidtnis 3'/3" der Edukte (S)-3 ab. Der Beweis der Konfiguration an C-2' der als Hauptprodukte anfallenden Diaste… Show more

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Cited by 14 publications
(1 citation statement)
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“…Furthermore (3)[4] and (1)[llb] prove to be efficient stereodirecting groups in aldol reactions. Effenberger et al[12] could carry out an intermolecular electrophilic addition that proceeds with practically complete diastereoselectivity. In the reaction of the amide Eu(fod),, toluene, 80°C 98 % endo: em = 0: Use of the auxiliary (2c) in Diels-Alder reactions.…”
mentioning
confidence: 99%
“…Furthermore (3)[4] and (1)[llb] prove to be efficient stereodirecting groups in aldol reactions. Effenberger et al[12] could carry out an intermolecular electrophilic addition that proceeds with practically complete diastereoselectivity. In the reaction of the amide Eu(fod),, toluene, 80°C 98 % endo: em = 0: Use of the auxiliary (2c) in Diels-Alder reactions.…”
mentioning
confidence: 99%