1968
DOI: 10.1002/cber.19681011136
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Über die Reaktion von Phosphorigsäure‐triäthylester mit β‐Chlor‐äthanolen

Abstract: Phosphorigsaure-triathylester (1) bildet mit I-Chlor-2-hydroxy-3-alkoxy-propanen 2 bei 120 -150" in merklichem AusmaR die entsprechenden (3-Hydroxy-phosphonsaureester 3. Oberhalb 150" treten bevorzugt die Folgeprodukte einer Umesterung 1 4 4 auf. Neben hohermolekularen Verbindungen, die aus intermolekularen Reaktionen hervorgehen, entstehen u. a. cyclische Phosphonsaureester, so z. B. I .3.2-DioxaphosphoIane 8 und P-Phostone 11.Vor einiger Zeit beobachteten wir die Entstehung von Alkyl-allyl-athern bei der Ein… Show more

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“…Oxaphosphetane structures analogous to 9 have been isolated, some even by distillation. See refs and .…”
Section: Referencesmentioning
confidence: 99%
See 1 more Smart Citation
“…Oxaphosphetane structures analogous to 9 have been isolated, some even by distillation. See refs and .…”
Section: Referencesmentioning
confidence: 99%
“…It was clear from NMR data that no discernible amounts of the oxephosphetane 9 were formed by treatment of 7a with alkali metals. We postulated that a leaving group superior to methoxide (or methanol) was required for oxephosphetane formation. Dehydration of the free phosphonic acid appeared to be an attractive strategy, and the ideal dehydrating reagent for this task proved to be the peptide coupling reagent diisopropylcarbodiimide (DIC).…”
Section: Introductionmentioning
confidence: 99%