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Recherches sur la formation et la transformation des esters XXIII. Sur la préparation des acides carboxy-alcoylphosphoriques

✍ Scribed by Emile Cherbuliez; E. A. Denzler; F. Hunkeler; J. Rabinowitz


Publisher
John Wiley and Sons
Year
1960
Tongue
German
Weight
327 KB
Volume
43
Category
Article
ISSN
0018-019X

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✦ Synopsis


Abstract

Hydroxy‐esters (and keto‐esters even more so) are liable to be acidolysed and not phosphorylated when heated with polyphosphoric acid.


📜 SIMILAR VOLUMES


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Thermostat auf 130,5O eingestellt und dic RG des 3-exo-Chlorids la gemessen. Zu diesem Zweck musste die durch die Reaktion von 2a hervorgerufene Leitfahigkeit durch einen Widerstand kompensiert werden.

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✍ Emile Cherbuliez; J. Rabinowitz 📂 Article 📅 1959 🏛 John Wiley and Sons 🌐 German ⚖ 174 KB 👁 1 views

## Abstract Phosphorylcholine is obtained with a good yield when 1 mole of choline or choline chloride is heated with 0,5 to 0,6 mole of pyrophosphoric acid (or the corresponding amount of polyphosphoric acid) for 20 hours at 150° under reduced pressure.

Recherches sur la formation et la transf
✍ Emile Cherbuliez; H. Probst; J. Rabinowitz 📂 Article 📅 1961 🏛 John Wiley and Sons 🌐 German ⚖ 173 KB 👁 1 views

0‐, __m__‐ and __p__‐sulfophenylphosphoric acids have been prepared from PC1~5~ and the corresponding phenolsulfonic acids. The rates of hydrolysis of these phosphoric esters at pH 0 (HCl 1N), 4,5 and 14 (NaOH 1N) and at 100° have been established.

Recherches sur la formation et la transf
✍ Emile Cherbuliez; J. Rabinowitz 📂 Article 📅 1956 🏛 John Wiley and Sons 🌐 German ⚖ 450 KB 👁 1 views

## Abstract The phosphorylation of hydroxy groups by polyphosphoric acids is shown to be inhibited by carboxyl functions, but the phosphorylation of hydroxy acids can be realized by using their esters, amides or nitriles; the phosphorylated derivatives obtained yield the phosphohydroxy acids either

Recherches sur la formation et la transf
✍ Emile Cherbuliez; F. Hunkeler; J. Rabinowitz 📂 Article 📅 1961 🏛 John Wiley and Sons 🌐 German ⚖ 259 KB 👁 1 views

Les monoesters des acides phosphoniques sont peu connus. On en trouve quelques exemplcs dans la litteratwe, mais leur synthkse se fait par des mCthodes tout a fait particuliPrcs. Ainsi, par action de C,H,PCl, sur C,H,OH on obtient l'ester monokthyl-phenylphosphonique2) ; C,H,POCl, trait6 par une mol