1985
DOI: 10.1002/jlac.198519850806
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Chirale Bausteine aus Kohlenhydraten, XI. 2‐Lithio‐1,3‐dithian‐induzierte Reaktionen an 5,6‐Didesoxy‐5‐iodhexofuranosen zu offenkettigen Heptosetrimethylen‐dithioacetalen

Abstract: Die nucleophile Substitution von Alkylhalogeniden mit 2-Lithio-1,3-dithianen ist eine praparativ wertvolle Methode zur C -C-Verknupfung'), die auch in der Synthese chiraler Naturstoffe weite Anwendung gefunden hat '). Dieses Verfahren konnte auf cyclische Zucker mit sekundarem Halogensubstituenten nicht angewendet werden, obwohl gerade hier synthetisch wertvolle chirale Zwischenprodukte (C-verzweigte Desoxyzucker rnit funktionalisierter Seitenkette) anfallen sollten. Eigene orientierende Untersuchungen an bloc… Show more

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Cited by 12 publications
(1 citation statement)
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“…In the preceding paper,1) as the first step for the synthesis of 1, we reported a highly stereoselective synthesis of a Prelog-Djerassi lactone-type versatile chiral (2), which has all the chiral centers required for segment ii and corresponds to the C-1-C-8 fragment of 1, from D-glucose by using some stereocontrolled reactions and suitable protecting groups for hydroxy functions. In this paper we report the synthesis of both segments i (4) and ii (5) and their coupling to form the known seco-acid (3).…”
mentioning
confidence: 99%
“…In the preceding paper,1) as the first step for the synthesis of 1, we reported a highly stereoselective synthesis of a Prelog-Djerassi lactone-type versatile chiral (2), which has all the chiral centers required for segment ii and corresponds to the C-1-C-8 fragment of 1, from D-glucose by using some stereocontrolled reactions and suitable protecting groups for hydroxy functions. In this paper we report the synthesis of both segments i (4) and ii (5) and their coupling to form the known seco-acid (3).…”
mentioning
confidence: 99%